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Showing 1 – 50 of 182 results.
Curated

Aging, Status, and Sense of Control (ASOC), 1995, 1998, 2001 [United States] (ICPSR 3334)

Released/updated on: 2005-12-15
Geographic coverage: United States
The Aging, Status, and Sense of Control (ASOC) was conducted during 1995, 1998 and 2001 and examined the relationship between age and changes in the sense of control over one's life. Part I contains data for Waves I and II. Respondents were queried about their physical health, including activities of daily living such as shopping, walking, and doing housework, along with medical conditions such as heart disease, high blood pressure, lung disease, breast cancer, diabetes, arthritis or rheumatism, osteoporosis, and allergies or asthma. Questions regarding mental health investigated difficulties staying focused, feelings of sadness or anxiety, and enjoyment of life. Respondents were also asked about their health behaviors, including use of tobacco and alcohol, frequency of exercise, use of medical services including insurance coverage, and the number of prescription medications used. Also examined was respondents' sense of control over their lives, including social support and participation, and history of adversity, which covered such topics as home or apartment break-ins or assaults, major natural disasters, unemployment longer than six months, and times without enough money for clothes, food, rent, bills, or other necessities. Demographic questions included age, sex, marital status, education, work status, marital and family relations, and socioeconomic status. Wave III (Part 2) was collected in 2001 and contains data on the same questions such as physical health, mental health and health behaviors.
Curated
Partially restricted
Simple Crosstabs

Americans' Changing Lives: Waves I, II, III, IV, V, and VI, 1986, 1989, 1994, 2002, 2011, and 2021 (ICPSR 4690)

Released/updated on: 2024-12-12
Geographic coverage: United States
Time period: 1986-01-01--2021-01-01

The Americans' Changing Lives (ACL) survey series is an ongoing, nationally representative, longitudinal study focusing especially on differences between Black and White Americans in middle and late life. These data constitute the first, second, third, fourth, fifth, and sixth waves in a panel survey covering a wide range of sociological, psychological, mental, and physical health items. Wave I of the study began in 1986 with a nation face-to-face survey of 3,617 adults ages 25 and up, with Black Americans and people aged 60 and over over-sampled at twice the rate of the others. Wave II constitutes face-to-face re-interviews in 1989 of those still alive. Survivors have been re-interviewed by telephone, and when necessary face-to-face, in 1994 (Wave III), 2001/02 (Wave IV), 2011 (Wave V), and 2019/21 (Wave VI).

Please note that for Wave VI, the majority of data collection occurred in 2019, with only a small subset (n=39) of participants surveyed in 2021.

ACL was designed and sought to investigate the following: (1) The ways in which a wide range of activities and social relationships that people engage in are broadly "productive," (2) how individuals adapt to acute life events and chronic stresses that threaten the maintenance of health, effective functioning, and productive activity, and (3) sociocultural variations in the nature, meaning, determinants, and consequences of productive activity and relationships. Among the topics covered are interpersonal relationships (spouse/partner, children, parents, friends), sources and levels of satisfaction, social interactions and leisure activities, traumatic life events (physical assault, serious illness, divorce, death of a loved one, financial or legal problems), perceptions of retirement, health behaviors (smoking, alcohol consumption, overweight, rest), and utilization of health care services (doctor visits, hospitalization, nursing home institutionalization, bed days). Also included are measures of physical health, psychological well-being, and indices referring to cognitive functioning.

Demographic information provided for individuals includes household composition, number of children and grandchildren, employment status, occupation and work history, income, family financial situation, religious beliefs and practices, ethnicity, race, education, sex, and region of residence.

Curated

Australian [Adelaide] Longitudinal Study of Aging, Wave 6: [1999-2000] (ICPSR 3679)

Released/updated on: 2006-01-18
Geographic coverage: Australia, Global
Time period: 1999-01-01--2000-01-01
The general purpose of the Australian [Adelaide] Longitudinal Study of Aging (ALSA) is to gain further understanding of how social, biomedical, and environmental factors are associated with age-related changes in the health and well-being of persons aged 70 years and older. Emphasis is given to the effects of social and economic factors on morbidity, disability, acute and long-term care service use, and mortality. The aim is to analyze the complex relationships between individual and social factors and changes in health status, health care needs, and service utilization dimensions. Components of Wave 6 (1999-2000) (Part 1) include a comprehensive personal interview conducted via the Computer-Assisted Personal Interview (CAPI) system, a home-based assessment of physiological functions, self-completed questionnaires, and additional clinical studies. In Part 2, Wave 6 Clinical Data, information about the health histories of the respondents was elicited, including information on medication, blood pressure, and physical and mental disabilities.
Curated

Australian [Adelaide] Longitudinal Study of Aging, Waves 1-5 [1992-1997] (ICPSR 6707)

Released/updated on: 2005-11-04
Geographic coverage: Australia, Global
Time period: 1992-01-01--1997-01-01
The general purpose of the Australian Longitudinal Study of Aging (ALSA) is to gain further understanding of how social, biomedical, and environmental factors are associated with age-related changes in the health and well-being of persons aged 70 years and older. Emphasis is given to the effects of social and economic factors on morbidity, disability, acute and long-term care service use, and mortality. The aim is to analyze the complex relationships between individual and social factors and changes in health status, health care needs, and service utilization dimensions. Components of Wave 1 (1992-1993) (Part 1) included a comprehensive personal interview conducted via the Computer-Assisted Personal Interview (CAPI) system, a home-based assessment of physiological functions, self-completed questionnaires, and additional clinical studies. Wave 2 (1993-1994), Wave 3 (1994-1995), Wave 4 (1995-1996), and Wave 5 (1996-1997) (Parts 2, 7, 8, and 10, respectively) included questions regarding changes in domicile, current health and functional status, new morbidity conditions, changes in medication, major life events, general life satisfaction, and changes in economic circumstances. For Wave 3 Clinical Data (Part 9) information about the health histories of the respondents was elicited, including information on medication, blood pressure, and physical and mental disabilities.
Curated

Center for Research on Social Reality [Spain] Survey, May 1995: Old Age (ICPSR 6969)

Released/updated on: 1998-01-13
Geographic coverage: Europe, Global, Spain
Time period: 1995-05-15--1995-05-20
This data collection is part of a series of nationwide surveys conducted from October 1990 to June 1996 in Spain. The questionnaires for each of these surveys consisted of three sections. The first section collected information on respondents' attitudes regarding personal, national, and international issues, and included questions on respondents' level of life satisfaction and frequency of visits with relatives, neighbors, and friends. The second section contained a topical module of questions that varied from survey to survey, with this survey's topic focusing on old age. The survey gauged attitudes regarding old age and the elderly, and investigated actual circumstances of elderly life in Spain, such as living arrangements, daily levels of physical activity, amount of health problems experienced during the past two weeks, consumption of tobacco and alcohol, frequency of sexual relations, retirement status and age at retirement, leisure activities, and use of social services. Questions in the third section of the questionnaire elicited socioeconomic information, such as respondent's sex, age, marital status, size of household, occupation, education, religion, religiosity, place of birth, and income.
Curated

Cleveland Study of the Elderly: a Follow-Up, 1984-1988 (ICPSR 6985)

Released/updated on: 2006-03-30
Geographic coverage: United States, Ohio, Cleveland
Time period: 1984-01-01--1988-01-01
This follow-up survey, funded under two separate grants from the National Institute on Aging (NIA), reinterviewed survivors of STUDY OF THE WELL-BEING OF OLDER PEOPLE IN CLEVELAND, OHIO, 1975-1976 (ICPSR 7773). The first part of the project, "Cleveland GAO Study of the Elderly: A Follow-Up", was conducted from 1983 to 1986, and reinterviewed survivors (n = 647) of the original 1975 sample (n = 1,834) to determine the impact of gender on the quality of life for elders, along with stability and change in measures of mental health. During 1984, a subset of the interview subjects were visited at their homes to validate self-reported impairment and disability. These data are presented in Part 1, Cleveland GAO Study of the Elderly: A Follow-Up, 1984 Data for Survivors of 1975 Sample. The second phase of the project, "Cleveland Elderly 12 Years Later," describes changes in disease, disability, and mortality since 1975 and attempted to determine if differences were related to changes in social support, use of health services, or economic status. The study also sought to assess levels of social, economic, mental, and physical well-being reported by respondents, and examined daily activities, the use and quality of services, and the characteristics of service providers. The "Cleveland Elderly 12 Years Later" data were collected in 1987 and again in 1988. Data collected in 1987 consist of interviews with survivors of the original 1975 sample (Part 2) along with interviews from an additional sample drawn from the 1977 Medicare rolls (Part 3). During 1988, interviews were again conducted with survivors of the original 1975 sample (Part 4) and survivors of the Medicare sample (Part 5). Data collected in 1984, 1987, and 1988 for survivors of the 1975 sample may be merged with the original data collected in 1975-1976 using the ID number.
Curated

Community Hospital Program (CHP) Access Impact Evaluation Surveys, 1978-1979, 1981 (ICPSR 8245)

Released/updated on: 2006-01-12
Geographic coverage: United States
Time period: 1978-01-01--1979-01-01
This data collection evaluates group medical practices and the ways in which they affect both access to and use of medical services. Group practices, sponsored by the Robert Wood Johnson Foundation Community Hospital Program (CHP), were selected for use in this assessment. The data were collected by the Center for Health Administration Studies at the University of Chicago, with the assistance of Chilton Research Services. Two surveys were conducted for the study: a baseline survey in 1978-1979 and a follow-up in 1981. Community residents and CHP patients in 12 communities were interviewed. Demographic and medical care data were collected for selected individuals and families in the survey areas. Data on regular sources of medical care for individuals include the type of organization used, type of practice, accessibility, frequency of visits, types of health care professionals seen, cost, and satisfaction. Also in the collection are data on perceived health, episodes of illness (including symptoms, duration, disability days, and doctors consulted), use of preventive health care services, and insurance coverage. Demographic data for individuals and families include age, sex, race, educational attainment, employment, and income. Of the 198 files in this collection, 88 are "raw" data files and 110 are frequencies. The data files consist of four types. The first type are Sample Person files. These contain the responses of group practice patients and community members. The second type are Doctor Episode files, which record doctors and episodes of illness. Family files make up the third type of file, and consist of family members' responses to the survey. Analysis files, linking patient and doctor data, are the fourth type of file. The SPSS frequency files correspond to the data files: two per file for the Sample Person files, and one per file for the remaining three types of files.
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Partially restricted

Community Tracking Study Household Survey, 1996-1997, and Followback Survey, 1997-1998: [United States] (ICPSR 2524)

Released/updated on: 2024-02-14
Geographic coverage: United States
Time period: 1996-07-01--1997-07-01, 1997-10-01--1998-08-01
This data collection comprises two components of the Community Tracking Study (CTS), the Household Survey and the Followback Survey. The CTS, sponsored by the Robert Wood Johnson Foundation, is a national study designed to track changes in the health care system and their effects on care delivery and individuals. Central to the design of the CTS is its community focus. Sixty sites (51 metropolitan areas and 9 nonmetropolitan areas) were randomly selected to form the core of the CTS and to be representative of the nation as a whole. The Household Survey was administered to households in the 60 CTS sites and to a supplemental national sample of households. At the beginning of each interview, a household informant was identified and queried about the composition of the household. With this information, individuals in the household were grouped into family insurance units (FIU). An FIU reflects family groupings typically used by insurance carriers. It includes an adult household member, his or her spouse, if any, and any dependent children 0-17 years of age (or 18-22 years of age if a full-time student). Family informants, selected from each FIU in the household, provided information on health insurance coverage, health care use, usual source of care, and the general health of all persons in the FIU. These informants also provided information on family income and out-of-pocket expenses for health care, as well as employment, race, and Hispanic origin for all adult FIU members. Each adult in the household, including the FIU informants, responded through a self-response module to questions regarding unmet health care needs, patient trust, satisfaction with physician choice, limitations in daily activities, smoking behaviors, and last doctor visit. In FIUs with more than one child under 18, only one child was randomly selected for inclusion in the survey. The family informant responded on behalf of the child regarding unmet needs and satisfaction with physician choice. The adult family member who took this child to his or her last doctor visit responded to questions about the visit. The Followback Survey was designed to obtain detailed information on private health insurance coverage reported in the Household Survey. It was administered to health plans and other organizations that offered or administered the comprehensive private health insurance policies covering Household Survey respondents in the 60 CTS sites. Information on private health insurance policies collected by the Followback Survey includes product type, gatekeeping, consumer cost sharing, provider payment methods, and coverage of mental health and/or substance abuse services.
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Partially restricted

Community Tracking Study Household Survey, 1998-1999, and Followback Survey, 1998-2000: [United States] (ICPSR 3199)

Released/updated on: 2024-02-14
Geographic coverage: United States
Time period: 1998-01-01--2000-01-01
This collection comprises the second round of the Community Tracking Study (CTS) Household Survey and the second round of the CTS Followback Survey. The CTS, sponsored by the Robert Wood Johnson Foundation, is a national study designed to track changes in the health care system and their effects on care delivery and individuals. Fifty-one metropolitan areas and nine nonmetropolitan areas were randomly selected to form the core of the CTS and to be representative of the nation as a whole. As in the first round of the Household Survey (COMMUNITY TRACKING STUDY HOUSEHOLD SURVEY, 1996-1997, AND FOLLOWBACK SURVEY, 1997-1998: [UNITED STATES] (ICPSR 2524)), the second round of the Household Survey was administered to households in the 60 CTS sites and to a supplemental national sample of households. Respondents provided information about household composition and demographic characteristics, health insurance coverage, use of health services, unmet health care needs, out-of-pocket expenses for health care, usual source of care, patient trust and satisfaction, last visit to a medical provider, health status and presence of chronic health conditions, risk behaviors and smoking, and employment, earnings, and income. The purpose of the Followback Survey was to obtain detailed information on private health insurance coverage reported in the Household Survey. It was administered to the health plans and other organizations (managed care organizations, third-party administrators, employer or union plans, and employers) that offered or administered the respondents' comprehensive private health insurance policies. Information on private health insurance policies collected by the Followback Survey includes product type, gatekeeping, consumer cost sharing, provider payment methods, and coverage of mental health and/or substance abuse services.
Curated
Partially restricted

Community Tracking Study Household Survey, 2000-2001: [United States] (ICPSR 3764)

Released/updated on: 2024-02-14
Geographic coverage: United States
Time period: 2000-01-01--2001-01-01
This collection comprises the third round of the Community Tracking Study (CTS) Household Survey. The CTS, sponsored by the Robert Wood Johnson Foundation, is a national study designed to track changes in the health care system and the effects of those changes on people. Fifty-one metropolitan areas and nine nonmetropolitan areas were randomly selected to form the core of the CTS and to be representative of the nation as a whole. As in the first two rounds of the Household Survey (ICPSR 2524 and 3199), the third round was administered to households in the 60 CTS sites and to a supplemental national sample of households. Respondents provided information about household composition and demographic characteristics, health insurance coverage, use of health services, unmet health care needs, out-of-pocket expenses for health care, usual source of care, patient trust and satisfaction, last visit to a medical provider, health status and presence of chronic health conditions, risk behaviors and smoking, and employment, earnings, and income. A new set of sample design variables was added to the third round data for variance estimation by statistical software packages other than SUDAAN.
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Partially restricted

Community Tracking Study Household Survey, 2003: [United States] (ICPSR 4216)

Released/updated on: 2007-12-03
Geographic coverage: United States
Time period: 2003-01-01--2004-01-01
This collection contains data and documentation for the fourth round of the Community Tracking Study (CTS) Household Survey. Sponsored by the Robert Wood Johnson Foundation, the CTS is a national study designed to track changes in the United States' health care system and their effects. The fourth round was administered to households in the 60 CTS sites: 51 metropolitan areas and nine nonmetropolitan areas which were randomly selected to form the core of the CTS and to be representative of the nation as a whole. The first round of the CTS Household Survey was conducted in 1996-1997 (ICPSR 2524), the second round in 1998-1999 (ICPSR 3199), and the third in 2000-2001 (ICPSR 3764). Respondents to the fourth round provided information about health insurance coverage, use of health services, unmet needs for health care, children's special health care needs, out-of-pocket medical costs, patient trust in physicians, sources of health information, attitudes about medical care, and satisfaction with health care and health plans. Health status, chronic conditions, and risk attitudes and smoking behavior were additional topics covered by the fourth round questionnaire. The data include variables on height and weight, employment, income, ethnicity, race, United States citizenship, household composition, and demographic characteristics.
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Simple Crosstabs

CRELES-2: Costa Rican Longevity and Healthy Aging Study - Wave 2, 2006-2008 (Costa Rica Estudio de Longevidad y Envejecimiento Saludable, Ronda 2) (ICPSR 31263)

Released/updated on: 2025-01-14
Geographic coverage: Global, Costa Rica
Time period: 2006-10-01--2008-07-01

The Costa Rican Longevity and Healthy Aging Study (CRELES, or Costa Rica Estudio de Longevidad y Envejecimiento Saludable) is a nationally representative longitudinal survey of health and lifecourse experiences of 2,827 Costa Ricans ages 60 and over in 2005, the baseline collection. CRELES-2 refers to the second wave of visits in this longitudinal study, and includes the results from these visits. The first wave of interviews, or baseline, of CRELES is also available at http://doi.org/10.3886/ICPSR26681. The second wave fieldwork was conducted from October 2006 to July 2008, with 2,364 surviving and contacted participants. The original sample was drawn from Costa Rican residents in the 2000 population census who were born in 1945 or before, with an over-sample of the oldest-old (ages 95 and over). Vital statistics indicate that Costa Rica has an unusually high life expectancy for a middle-income country, even higher than that of the United States, but CRELES is the first nationally representative survey to investigate adult health levels in Costa Rica. CRELES public use data files contain information on a broad range of topics including self-reported physical health, psychological health, living conditions, health behaviors, health care utilization, social support, and socioeconomic status. Objective health indicators include anthropometrics, observed mobility, and biomarkers from fasting blood samples (such as cholesterol, glycosylated hemoglobin, and C-reactive protein). Mortality events are tracked and conditions surrounding death are measured in a surviving family interview.

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Simple Crosstabs

CRELES-3: Costa Rican Longevity and Healthy Aging Study - Wave 3, 2009 (Costa Rica Estudio de Longevidad y Envejecimiento Saludable, Ronda 3) (ICPSR 35250)

Released/updated on: 2025-04-29
Geographic coverage: Central America, Global, Costa Rica, Latin America
Time period: 2009-02-01--2010-01-01
The Costa Rican Longevity and Healthy Aging Study (CRELES, or Costa Rica Estudio de Longevidad y Envejecimiento Saludable) is a nationally representative longitudinal survey of health and lifecourse experiences. CRELES-3 refers to the third wave of visits in this longitudinal study. The first two waves are available as ICPSR 26681 and ICPSR 31263. The original sample (Wave 1) was drawn from Costa Rican residents in the 2000 population census who were born in 1945 or before, with an over-sample of the oldest age range (ages 95 and over). A total of 2,827 Costa Ricans ages 60 and over participated in 2005. The second wave revisited the same participant group. The data presented here represent the third wave of fieldwork that was conducted from February 2009 to January 2010, with 1,855 surviving and contacted participants. CRELES data include factors contributing to older adults' length and quality of life. Among these data are self-reported physical health, psychological health, living conditions, health behaviors, health care utilization, social support, and socioeconomic status. Objective health indicators typically included in this series are anthropometrics, observed mobility, and biomarkers from fasting blood (such as cholesterol, glycosylated hemoglobin, and C-reactive protein). However, the third wave did not collect blood. Data regarding participants' deaths and conditions surrounding death were collected from interviews of surviving family members and are included in Wave 2 and Wave 3 data files. The collection includes a tracking file (Dataset 13) which links participants across the three waves and includes sampling weights. Demographic data included in the study include age during each wave, sex, marital status, education, number of children, type of housing, and geographic region in Costa Rica. Some elements of the demographic data are found only in Wave 1 and require linking the CRELES-3 data files with ICPSR 26681.
Curated

CRELES: Costa Rican Longevity and Healthy Aging Study - Wave 1, 2005 (Costa Rica Estudio de Longevidad y Envejecimiento Saludable) (ICPSR 26681)

Released/updated on: 2024-04-15
Geographic coverage: Central America, Global, Costa Rica
The Costa Rican Longevity and Healthy Aging Study (CRELES, or Costa Rica Estudio de Longevidad y Envejecimiento Saludable) is a nationally representative longitudinal survey of health and lifecourse experiences of 2,827 Costa Ricans ages 60 and over in 2005. Baseline household interviews were conducted between November 2004 and September 2006, with two-year follow-up interviews. The sample was drawn from Costa Rican residents in the 2000 population census who were born in 1945 or before, with an over-sample of the oldest-old (ages 95 and over). The main study objective was to determine the length and quality of life, and its contributing factors in the elderly of Costa Rica. Vital statistics indicate that Costa Rica has an unusually high life expectancy for a middle-income country, even higher than that of the United States, but CRELES is the first nationally representative survey to investigate adult health levels in Costa Rica. CRELES public use data files contain information on a broad range of topics including self-reported physical health, psychological health, living conditions, health behaviors, health care utilization, social support, and socioeconomic status. Objective health indicators include anthropometrics, observed mobility, and biomarkers from fasting blood and overnight urine collection (such as cholesterol, glycosylated hemoglobin, C-reactive protein, cortisol, and other components of integrative allostatic load measures). Mortality events are tracked and conditions surrounding death are measured in a surviving family interview (longitudinal follow-up data are not yet publicly available).
Curated

Danish 1905 Cohort Study, 1998 (ICPSR 3960)

Released/updated on: 2016-08-22
Geographic coverage: Denmark, Global
Time period: 1905-01-01--1998-01-01
This data collection provides information on individuals born in Denmark in 1905 and who were still living in Denmark in 1998. The overall goal of the study was to establish a genetic-epidemiological database to shed light on the aging process among the extremely old. The data focus on their physical and cognitive functioning. Respondents were asked if they had been previously diagnosed with diseases such as diabetes, arthritis, asthma, migraine, cancer, stroke, heart attack, or depression, and if they were experiencing such ailments as cough, body pains, and bone fracture and were taking medication for them. Questions probed respondents' feelings about their health, life, and future. To assess respondents' general health and functioning, they were asked if they needed assistance with toileting, bathing, dressing, and mobility around the house; how often they needed to use the bathroom during the night; and if they used physical aids such as wheelchairs, eyeglasses, crutches, catheters, or diapers. They were also tested for memory and cognition, mobility, vision, speech, hearing, and lung functioning. Information was also elicited on respondents' mental state and awareness, energy level, menopause, frequency of visits with children and family, visits from a nurse, use of home care services, sleeping patterns, smoking and drinking habits, weight gain or loss, exercises, social activities, hobbies, reading habits, television viewing, and recent deaths in the family. Demographic information includes age, education, and marital status.
Curated

Detroit Area Old Age Study, 1966 (ICPSR 7669)

Released/updated on: 1992-02-16
Geographic coverage: Detroit, United States, Michigan
This data collection contains information about health gathered in interviews with persons aged 65 and over living in the Detroit area (Wayne, Oakland, and Macomb counties as well as the city of Detroit) in 1966. The majority of questions concerned the respondent's physical health, e.g., illnesses, symptoms, history of medical care, type of medical care received currently, satisfaction with care, mental health, dental health, hospitalization costs, medicine costs, health insurance costs, welfare status, attitudes toward assistance and welfare programs, and past sources of payment for medical care and hospitalization other than insurance. Also asked were questions about income and personal finances, past and present employment and earnings, attitudes about retirement, cost of household utilities, amount paid in taxes, sources and history of financial assistance, and housing and living conditions. Other questions probed for place of birth and place where raised, daily activities, attitudes about surrounding area, number of times per week visiting or shopping in surrounding area in both the past and present, contact with family members, family history, family health history, attitudes about role in family, memberships, leisure activities, hobbies, presidential voting history, past and current political affiliation, and attitudes toward the federal government's response to social problems, as well as the respondent's race, education, number of children, marital status, and religious affiliation.
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Simple Crosstabs

Health and Aging in Africa: A Longitudinal Study of an INDEPTH Community in South Africa [HAALSI]: Agincourt, South Africa, 2015-2022 (ICPSR 36633)

Released/updated on: 2023-03-13
Geographic coverage: Africa, South Africa, Global
Time period: 2014-01-01--2015-01-01, 2018-01-01--2019-01-01, 2021-01-01--2022-01-01

The Health and Aging in Africa: A Longitudinal Study of an INDEPTH Community in South Africa (HAALSI) study is a population-based survey that aims to examine and characterize a population of older men and women in rural South Africa with respect to health, physical and cognitive function, aging, and well-being, in harmonization with other Health and Retirement Studies.

The baseline survey was conducted among 5,059 men and women aged 40 years or older, who were sampled from within the existing framework of the Agincourt health and socio-demographic surveillance system (AHDSS), in rural Mpumalanga province, South Africa. Survey data were collected on cognitive and physical functioning, social networks, cardiometabolic disease and risk factors, HIV and HIV risk, and economic well-being. The survey also included anthropometric measures and point-of-care blood tests for hemoglobin, glucose and lipids. Dried bloodspots (DBS) were collected at the survey and later tested for HIV, HIV viral load, glucose and CRP. A sub-sample had more extensive laboratory follow-up testing, which will be available in future data releases. A second wave of the survey was administered in 2018 through 2019, and a third wave of the survey was administered in 2021 through 2022.

Demographic information includes age, sex, income, education, marital status, number of children, and employment.

Harvard dataverse hosts an additional restricted-use dataset which compliments this collection, the HAALSI Baseline HIV Biomarker Data; users interested in obtaining these data must request access based on the terms outlined in the data use agreement.

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Hospitalized Older Persons Evaluation (HOPE) Study, 1991-1993: [California] (ICPSR 6560)

Released/updated on: 2006-01-12
Geographic coverage: United States, California
Time period: 1991-03-01--1993-05-31
The HOPE study was a multi-center randomized clinical trial mounted to determine the effects of hospital inpatient consultative comprehensive geriatric assessment (CGA) under typical practice conditions on selected patient health and health services utilization outcomes. The main outcome measures were functional status, health status, mortality, rehospitalization, and total use of health care services for hospital patients 65 years of age and older. Functional status was evaluated by questions about limitations in patients' activities of daily living due to health problems. Also included were items covering living arrangements (with whom and where), ethnicity, education, and marital status. Health status questions covered patients' perceptions of mental health and current physical health. The functional and health status of patients was measured prior to CGA treatment and randomization, again at 3 months post-randomization, and at 12 months post-randomization. Functional and health status data are included in Parts 3-8. Health services utilization data (Parts 9-15) cover patient use of medical services such as urgent care, emergency room, radiology, durable medical equipment, and medications (prescribed and over the counter). Mortality information (Part 17) includes date of lost contact or death, and data source of survival status. Hospitalization measures (Part 18) include date of admission and discharge, admittance source diagnoses and procedures, and inpatient/outpatient status.
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Simple Crosstabs

The Irish Longitudinal Study on Ageing (TILDA), Wave 1, 2009-2011 (ICPSR 34315)

Released/updated on: 2025-05-07
Geographic coverage: Ireland
Time period: 2009-01-01--2011-01-01

This catalog record includes detailed variable-level descriptions, enabling data discovery and comparison. The TILDA Series data files, including studies 34315, 38681, 37105, 37106, 38670, 38674, are no longer available from ICPSR and NACDA at the request of the data producer due to concerns related to EU and Irish data privacy and data sharing rules. Individuals interested in obtaining TILDA data access at this time should reach out to the TILDA project directly (https://tilda.tcd.ie/data/accessing-data/).

The Irish Longitudinal Study on Ageing (TILDA) is a major inter-institutional initiative led by Trinity College Dublin which aims to produce a massive improvement in the quantity and quality of data, research and information relating to older people and ageing in Ireland. Eligible respondents for this study include individuals aged 50 and over and their spouses or partners of any age. The study involves interviews on a two yearly basis with a sample cohort of 8,504 people aged 50 and over (or their spouses/partners) and resident in Ireland, collecting detailed information on all aspects of their lives, including the economic (pensions, employment, living standards), health (physical, mental, service needs and usage) and social aspects (contact with friends and kin, formal and informal care, social participation). Both survey interviews and physical and biological measurements are utilized. Demographic and background variables include age, sex, marital status, household composition, education, and employment.

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The Irish Longitudinal Study on Ageing (TILDA), Wave 2, 2012-2013 (ICPSR 37105)

Released/updated on: 2025-05-08
Geographic coverage: Ireland
Time period: 2012-01-01--2013-01-01

This catalog record includes detailed variable-level descriptions, enabling data discovery and comparison. The TILDA Series data, including studies 34315, 38681, 37105, 37106, 38670, 38674, are currently unavailable at the request of the data producer due to concerns related to EU and Irish data privacy and data sharing rules. We are working to determine the best solution to continue to share these data with the research community. Individuals interested in obtaining TILDA data access at this time should reach out to the TILDA project directly (https://tilda.tcd.ie/data/accessing-data/).

The Irish Longitudinal Study on Ageing (TILDA) is a major inter-institutional initiative led by Trinity College Dublin which aims to produce a massive improvement in the quantity and quality of data, research and information relating to older people and ageing in Ireland. Eligible respondents for this study include individuals aged 50 and over and their spouses or partners of any age. The study involves interviews on a two yearly basis with a sample cohort of 8,504 people aged 50 and over (or their spouses/partners) and resident in Ireland, collecting detailed information on all aspects of their lives, including the economic (pensions, employment, living standards), health (physical, mental, service needs and usage) and social aspects (contact with friends and kin, formal and informal care, social participation). Both survey interviews and physical and biological measurements are utilized.

The second wave of TILDA interviews were undertaken between February 2012 and March 2013. Of the 8,504 interviewed in Wave 1, a second interview was obtained for 7,445 respondents. These consisted of the self, proxy and end-of-life interviews types. In addition to the returning respondents, 170 interviews were obtained from eligible household members who had chosen not to take part in Wave 1 or the new spouses/partners of existing respondents.

Demographic and background variables include age, sex, marital status, household composition, education, and employment.

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Simple Crosstabs

The Irish Longitudinal Study on Ageing (TILDA), Wave 3, 2014-2015 (ICPSR 37106)

Released/updated on: 2025-05-12
Geographic coverage: Ireland
Time period: 2014-01-01--2015-01-01

This catalog record includes detailed variable-level descriptions, enabling data discovery and comparison. The TILDA Series data, including studies 34315, 38681, 37105, 37106, 38670, 38674, are currently unavailable at the request of the data producer due to concerns related to EU and Irish data privacy and data sharing rules. We are working to determine the best solution to continue to share these data with the research community. Individuals interested in obtaining TILDA data access at this time should reach out to the TILDA project directly (https://tilda.tcd.ie/data/accessing-data/).

The Irish Longitudinal Study on Ageing (TILDA) is a major inter-institutional initiative led by Trinity College Dublin which aims to produce a massive improvement in the quantity and quality of data, research and information relating to older people and ageing in Ireland. Eligible respondents for this study include individuals aged 50 and over and their spouses or partners of any age. The study involves interviews on a two yearly basis with a sample cohort of 8,504 people aged 50 and over (or their spouses/partners) and resident in Ireland, collecting detailed information on all aspects of their lives, including the economic (pensions, employment, living standards), health (physical, mental, service needs and usage) and social aspects (contact with friends and kin, formal and informal care, social participation). Both survey interviews and physical and biological measurements are utilized.

The third wave of TILDA interviews were undertaken between March 2014 and October 2015. Of the 7,445 interviewed in Wave 2, a third interview was obtained for 6,874 respondents. These consisted of the self, proxy and end-of-life interviews types. In addition to the returning respondents, 28 interviews were obtained from eligible household members who had chosen not to take part in Wave 1 or the new spouses/partners of existing respondents.

Demographic and background variables include age, sex, marital status, household composition, education, and employment.

Curated
Simple Crosstabs

The Irish Longitudinal Study on Ageing (TILDA), Wave 4, 2016 (ICPSR 38670)

Released/updated on: 2025-05-12
Geographic coverage: Ireland

This catalog record includes detailed variable-level descriptions, enabling data discovery and comparison. The TILDA Series data, including studies 34315, 38681, 37105, 37106, 38670, 38674, are currently unavailable at the request of the data producer due to concerns related to EU and Irish data privacy and data sharing rules. We are working to determine the best solution to continue to share these data with the research community. Individuals interested in obtaining TILDA data access at this time should reach out to the TILDA project directly (https://tilda.tcd.ie/data/accessing-data/).

The Irish Longitudinal Study on Ageing (TILDA) is a major inter-institutional initiative led by Trinity College Dublin which aims to produce a massive improvement in the quantity and quality of data, research and information relating to older people and ageing in Ireland. Eligible respondents for this study include individuals aged 50 and over and their spouses or partners of any age. The study involves interviews on a one year basis with a sample cohort of residents of Ireland, collecting detailed information on all aspects of their lives, including the economic (pensions, employment, living standards), health (physical, mental, service needs and usage) and social aspects (contact with friends and kin, formal and informal care, social participation). Both survey interviews and physical and biological measurements are utilized.

The fourth wave of TILDA interviews were undertaken between January and December 2016. A total of 5,713 participants completed the self-interview.

Demographic and background variables include age, sex, marital status, household composition, education, and employment.

Curated
Simple Crosstabs

The Irish Longitudinal Study on Ageing (TILDA), Wave 5, 2018 (ICPSR 38674)

Released/updated on: 2025-05-12
Geographic coverage: Ireland

This catalog record includes detailed variable-level descriptions, enabling data discovery and comparison. The TILDA Series data, including studies 34315, 38681, 37105, 37106, 38670, 38674, are currently unavailable at the request of the data producer due to concerns related to EU and Irish data privacy and data sharing rules. We are working to determine the best solution to continue to share these data with the research community. Individuals interested in obtaining TILDA data access at this time should reach out to the TILDA project directly (https://tilda.tcd.ie/data/accessing-data/).

The Irish Longitudinal Study on Ageing (TILDA) is a major inter-institutional initiative led by Trinity College Dublin which aims to produce a massive improvement in the quantity and quality of data, research and information relating to older people and ageing in Ireland. Eligible respondents for this study include individuals aged 50 and over and their spouses or partners of any age. The study involves interviews on a one year basis with a sample cohort of residents of Ireland, collecting detailed information on all aspects of their lives, including the economic (pensions, employment, living standards), health (physical, mental, service needs and usage) and social aspects (contact with friends and kin, formal and informal care, social participation). Both survey interviews and physical and biological measurements are utilized.

The fifth wave of TILDA interviews were undertaken between January and December 2018. A total of 4,978 participants completed the self-interview.

Demographic and background variables include age, sex, marital status, household composition, education, and employment.

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Medicare Current Beneficiary Survey, Access to Care, Calendar Year 1992: [United States] (ICPSR 6332)

Released/updated on: 2006-01-12
Geographic coverage: United States
This data collection is the second in a series of data releases from the Medicare Current Beneficiary Survey (MCBS) relating to beneficiary access to medical care. The MCBS is a continuous, multipurpose survey of a representative sample of the Medicare population, both aged and disabled. Sample persons are interviewed three times a year over several years to form a continuous profile of their health care experience. Interviews are conducted regardless of whether the sample person resides at home or in a long-term care facility, using the questionnaire version appropriate to the setting. The MCBS also collects a variety of information about demographic characteristics (date of birth, sex, race, education, military service, and marital status), health status and functioning, access to care, sources of and satisfaction with care, insurance coverage, financial resources, and family supports. The 1992 interview data were collected during September through December of 1992, the fourth round of data collection. The 1992 data are designed to stand alone for cross-sectional analysis, or they can be used for longitudinal analysis. Weights are provided for both cross-sectional and longitudinal analysis.
Curated

Medicare Current Beneficiary Survey, Access to Care, Calendar Year 1993: [United States] (ICPSR 6637)

Released/updated on: 2006-01-12
Geographic coverage: United States
This data collection is the third in a series of data releases from the Medicare Current Beneficiary Survey (MCBS) relating to beneficiary access to medical care. The MCBS is a continuous, multipurpose survey of a representative sample of the Medicare population, both aged and disabled. Sample persons are interviewed three times a year over several years to form a continuous profile of their health care experience. Interviews are conducted regardless of whether the sample person resides at home or in a long-term care facility, using the questionnaire version appropriate to the setting. The MCBS also collects a variety of information about demographic characteristics (date of birth, sex, race, education, military service, and marital status), health status and functioning, access to care, sources of and satisfaction with care, insurance coverage, financial resources, and family supports. The 1993 interview data were collected during September through December of 1993, the seventh round of data collection. The 1993 data are designed to stand alone for cross-sectional analysis, or they can be used for longitudinal analysis. Weights are provided for both cross-sectional and longitudinal analysis.
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Medicare Current Beneficiary Survey, Calendar Year 1991: [United States] (ICPSR 6118)

Released/updated on: 2006-01-12
Geographic coverage: United States
This data collection is the first in a series of data releases planned from the ongoing Medicare Current Beneficiary Survey (MCBS). The MCBS is a continuous, multipurpose survey of a representative sample of the Medicare population. Sample persons are interviewed three times a year over several years to form a continuous profile of their health care experience. Field work for Round 1 began in September of 1991 and was completed in December. New rounds, which involve reinterviewing the same sample persons (or other appropriate respondents), begin every four months. Interviews are conducted regardless of whether the sample person resides at home or in a long-term care facility, using the questionnaire version appropriate to the setting. This first-round interview captured baseline information about the Medicare population, including their demographic characteristics (date of birth, sex, race, education, military service, and marital status), health status and functioning, insurance coverage, financial resources, and family support. Round 1 of the community interview, which questioned respondents living at home, also included a topical supplement on access to medical care, sources of medical care, and satisfaction with medical care.
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Mexican Origin People in the United States: the 1979 Chicano Survey (ICPSR 8436)

Released/updated on: 2005-11-04
Geographic coverage: United States, Chicago, New Mexico, Illinois, Texas, Colorado, California, Arizona
The 1979 Chicano Survey, conducted by the Institute for Social Research, University of Michigan, was a household survey of persons of Mexican descent living in California, Arizona, New Mexico, Colorado, Texas, and Chicago, Illinois. The purpose of the survey was to compile a statistically representative and comprehensive body of empirical information about the social, economic, and psychological status of Chicanos. Interviews were conducted in Spanish or English, depending upon the respondent's preference. Major topics covered were mental and physical health and use of health services, family background and composition, customary practices and values, language use and attitudes, employment history, social identity, group consciousness, and political opinions and participation.
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National Health and Nutrition Examination Survey I, 1971-1975: Arthritis (ICPSR 8060)

Released/updated on: 1992-02-16
Geographic coverage: United States
The National Health and Nutrition Examination Surveys (Cycle I) were designed to measure the nutritional status and health of the U.S. population aged 1-74 years and to obtain more detailed information on the health status and medical care needs of adults aged 25-74 years in the civilian noninstitutionalized population.
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National Health and Nutrition Examination Survey I, 1971-1975: Audiometric Test (ICPSR 8067)

Released/updated on: 1992-02-16
Geographic coverage: United States
The National Health and Nutrition Examination Surveys (Cycle I) were designed to measure the nutritional status and health of the U.S. population aged 1-74 years and to obtain more detailed information on the health status and medical care needs of adults aged 25-74 years in the civilian noninstitutionalized population.
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National Health and Nutrition Examination Survey I, 1971-1975: Biochemistry, Serology, Hematology, Peripheral Blood Slide, and Urinary Data (ICPSR 8069)

Released/updated on: 1992-02-16
Geographic coverage: United States
The National Health and Nutrition Examination Surveys (Cycle I) were designed to measure the nutritional status and health of the U.S. population aged 1-74 years and to obtain more detailed information on the health status and medical care needs of adults aged 25-74 years in the civilian noninstitutionalized population.
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National Health and Nutrition Examination Survey I, 1971-1975: Chest X-ray, Pulmonary Diffusion, and Tuberculin Test Results (ICPSR 8507)

Released/updated on: 1992-02-16
Geographic coverage: United States
Time period: 1971-01-01--1975-01-01
Information for all examined sampled persons in each of these National Health and Nutrition Examination Surveys (NHANES I) was obtained by means of a household interview, a general medical history, a 24-hour dietary intake recall interview, a food frequency interview, a food program questionnaire, a general medical examination, dental, dermatological and ophthalmological examinations, anthropometric measurement, hand-wrist x-rays (of persons ages 1-17 only) and 24 hematological, blood chemistry, and urological laboratory determinations. In addition to this information, some respondents were given more specific tests such as x-rays of the chest and hip and knee joints, audiometry, electrocariography, goniometry, spirometry, pulmonary diffusion and tuberculin tests, and additional laboratory determinations. This data set contains demographic characteristics for 6913 examinees ages 25-74 who had received the detailed examination during NHANES I. Additional information includes their lung and heart size measurements, three expert x-ray readings for lung and heart pathology, pulmonary diffusion measurements, and tuberculin test results.
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National Health and Nutrition Examination Survey I, 1971-1975: Computer Measurements and Interpretations of Electrocardiograms (ICPSR 8065)

Released/updated on: 1992-02-16
Geographic coverage: United States
The National Health and Nutrition Examination Surveys (Cycle I) were designed to measure the nutritional status and health of the U.S. population aged 1-74 years and to obtain more detailed information on the health status and medical care needs of adults aged 25-74 years in the civilian noninstitutionalized population.
Curated

National Health and Nutrition Examination Survey I, 1971-1975: Dental (ICPSR 8066)

Released/updated on: 1992-02-16
Geographic coverage: United States
The National Health and Nutrition Examination Surveys (Cycle I) were designed to measure the nutritional status and health of the U.S. population aged 1-74 years and to obtain more detailed information on the health status and medical care needs of adults aged 25-74 years in the civilian noninstitutionalized population.
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National Health and Nutrition Examination Survey I, 1971-1975: Dermatology (ICPSR 8063)

Released/updated on: 1992-02-16
Geographic coverage: United States
The National Health and Nutrition Examination Surveys (Cycle I) were designed to measure the nutritional status and health of the U.S. population aged 1-74 years and to obtain more detailed information on the health status and medical care needs of adults aged 25-74 years in the civilian noninstitutionalized population.
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National Health and Nutrition Examination Survey I, 1971-1975: Dietary Frequency and Adequacy (ICPSR 8057)

Released/updated on: 1992-02-16
Geographic coverage: United States
The National Health and Nutrition Examination Surveys (Cycle I) were designed to measure the nutritional status and health of the U.S. population aged 1-74 years and to obtain more detailed information on the health status and medical care needs of adults aged 25-74 years in the civilian noninstitutionalized population.
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National Health and Nutrition Examination Survey I, 1971-1975: Food Consumption Intake (ICPSR 8068)

Released/updated on: 1992-02-16
Geographic coverage: United States
The National Health and Nutrition Examination Surveys (Cycle I) were designed to measure the nutritional status and health of the U.S. population aged 1-74 years and to obtain more detailed information on the health status and medical care needs of adults aged 25-74 years in the civilian noninstitutionalized population.
Curated

National Health and Nutrition Examination Survey I, 1971-1975: General Well-Being (ICPSR 8056)

Released/updated on: 1992-02-16
Geographic coverage: United States
The National Health and Nutrition Examination Surveys (Cycle I) were designed to measure the nutritional status and health of the U.S. population aged 1-74 years and to obtain more detailed information on the health status and medical care needs of adults aged 25-74 years in the civilian noninstitutionalized population.
Curated

National Health and Nutrition Examination Survey I, 1971-1975: Health Care Needs, General Medical History and Supplements on Respiratory and Cardiovascular Data (ICPSR 8061)

Released/updated on: 1992-02-16
Geographic coverage: United States
The National Health and Nutrition Examination Surveys (Cycle I) were designed to measure the nutritional status and health of the U.S. population aged 1-74 years and to obtain more detailed information on the health status and medical care needs of adults aged 25-74 years in the civilian noninstitutionalized population.
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National Health and Nutrition Examination Survey I, 1971-1975: Medical Examination (ICPSR 8055)

Released/updated on: 1992-02-16
Geographic coverage: United States
The National Health and Nutrition Examination Surveys (Cycle I) were designed to measure the nutritional status and health of the U.S. population aged 1-74 years and to obtain more detailed information on the health status and medical care needs of adults aged 25-74 years in the civilian noninstitutionalized population.
Curated

National Health and Nutrition Examination Survey I, 1971-1975: Medical History (ICPSR 7987)

Released/updated on: 1992-02-16
Geographic coverage: United States
The National Health and Nutrition Examination Surveys (Cycle I) were designed to measure the nutritional status and health of the U.S. population aged 1-74 years and to obtain more detailed information on the health status and medical care needs of adults aged 25-74 years in the civilian noninstitutionalized population.
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National Health and Nutrition Examination Survey I, 1971-1975: Near and Distant Vision (ICPSR 8062)

Released/updated on: 1992-02-16
Geographic coverage: United States
The National Health and Nutrition Examination Surveys (Cycle I) were designed to measure the nutritional status and health of the U.S. population aged 1-74 years and to obtain more detailed information on the health status and medical care needs of adults aged 25-74 years in the civilian noninstitutionalized population.
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National Health and Nutrition Examination Survey I, 1971-1975: Ophthalmology (ICPSR 8059)

Released/updated on: 1992-02-16
Geographic coverage: United States
The National Health and Nutrition Examination Surveys (Cycle I) were designed to measure the nutritional status and health of the U.S. population aged 1-74 years and to obtain more detailed information on the health status and medical care needs of adults aged 25-74 years in the civilian noninstitutionalized population.
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National Health and Nutrition Examination Survey I, 1971-1975: Spirometry (ICPSR 8064)

Released/updated on: 1992-02-16
Geographic coverage: United States
The National Health and Nutrition Examination Surveys (Cycle I) were designed to measure the nutritional status and health of the U.S. population aged 1-74 years and to obtain more detailed information on the health status and medical care needs of adults aged 25-74 years in the civilian noninstitutionalized population.
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National Health and Nutrition Examination Survey I: Epidemiologic Follow-Up Study, 1982-1984 (ICPSR 8900)

Released/updated on: 2006-01-18
Geographic coverage: United States
Time period: 1982-01-01--1984-01-01
The National Health and Nutrition Examination Survey I Epidemiologic Followup Study (NHEFS) originated as a joint project between the National Center for Health Statistics (NCHS) and the National Institute on Aging (NIA). The design of NHEFS, which contains follow-up data on the NHANES I cohort, consisted of five steps. The first step focused on tracing and locating all subjects in the cohort or their proxies and determining their vital status. The second step involved the obtaining of death certificates for subjects who were deceased. Interviews with the participants or their proxies constituted the third phase of the follow-up. The fourth phase of the follow-up included measurements of pulse, blood pressure, and weight for interviewed respondents, and the fifth step was the acquisition of relevant hospital and nursing home records, including pathology reports and electrocardiograms. The respondent interview was designed to gather information on selected aspects of the subject's health history since the time of the NHANES I exam. This information included a history of the occurrence or recurrence of selected medical conditions, an assessment of behavioral, social, nutritional, and medical risk factors believed to be associated with these conditions, and an assessment of various aspects of functional status. Whenever possible, the questionnaire was designed to retain item comparability between NHANES I and NHEFS in order to measure change over time. However, questionnaire items were modified, added, or deleted when necessary to take advantage of recent improvements in questionnaire methodology. The Vital and Tracing Status file is a master file containing tracing, vital status, and demographic data for all NHEFS respondents. In addition, it provides users with information on the availability of different survey components for each respondent. For example, variables have been created to indicate whether a death certificate was received for a deceased subject, hospital records were received, or a follow-up interview was completed. The Health Care Facility Record file offers data on respondents who had reported an overnight stay in a health care facility after 1970. Information on the name and address of the facility, the date of the stay, and the reason for the stay was recorded. The Mortality Data file contains death certificate information for 1,935 NHEFS decedents. The death certificate information is for deaths occurring from 1971 to 1983.
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National Health and Nutrition Examination Survey I: Epidemiologic Followup Study, 1986 (ICPSR 9466)

Released/updated on: 1992-02-17
Geographic coverage: United States
The NHANES I Epidemiologic Followup Study (NHEFS) is a longitudinal study of adults originally examined, measured, and interviewed in 1971-1975 as part of the first National Health and Nutrition Examination Survey (NHANES I). The NHEFS was jointly initiated by the National Center for Health Statistics (NCHS), the National Institute on Aging, and other components of the National Institutes of Health and Public Health Service. The primary purpose of the followup study is to investigate longitudinal relationships between the extensive data on physiological, nutritional, behavioral, and demographic characteristics collected during NHANES I and subsequent morbidity or mortality from specific diseases and conditions. The 1982-1984 wave of data collection for NHEFS followed all medically examined respondents who had been 25 to 74 years in 1971-1975. The 1986 NHEFS wave focused on older members of the NHANES I NHEFS cohorts, those who had been 55-74 years of age at their baseline examinations in 1971-1975 and were not known to be deceased at the time of the 1982-1984 NHEFS. In the 1986 NHEFS, the surviving respondents were 65-89 years of age. Data were collected on changes in vital, health, and functional status and use of health care services that had occurred since the last contact, whether the contact was in 1982-1984 or 1971-1975. The vital and tracing status file documents efforts to trace all subjects who had been 55 years of age and over at NHANES I (N = 5,677) and ascertain their vital status and demographic data. Further data collection was aimed at the 3,980 subjects who were not known to be deceased by 1982-1984. Thirty-minute telephone interviews were conducted with either sample members (N = 2,558) or with proxies for the incapacitated (N = 469) and deceased (N = 581) subjects. Questions were asked on household composition, self-reports of physician-diagnosed medical conditions (with detail on reports of cancer, bone fractures, and non-hospital health facility stays), death if applicable, functional limitations, use of health care facilities, and interviewer observations about the respondent. Items on coronary bypass surgery, pacemaker procedures, and community services utilization were 1986 additions to the NHEFS questionnaire. For those respondents who had not been interviewed in 1982-1984, questions were included on smoking and alcohol use, vision and hearing, exercise and weight, and pregnancy and menstrual history. Health care facility records were abstracted to provide diagnostic and summary information on single or multiple overnight stays in hospitals and nursing homes for 2,021 subjects reporting such stays. Death certificate data, including International Classification of Diseases, 9th Revision codes for multiple causes of death, were added for 661 decedents reported since the 1982-1984 wave, for a total of 2,266 decedents.
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National Health and Nutrition Examination Survey I: Epidemiologic Follow-Up Study, 1987 (ICPSR 9854)

Released/updated on: 2006-01-12
Geographic coverage: United States
The National Health and Nutrition Examination Survey I Epidemiologic Follow-Up Study (NHEFS) is a longitudinal study which uses as its baseline those adult persons aged 25 to 74 years who were examined in the first National Health and Nutrition Examination Survey (NHANES I). The NHEFS surveys were designed to investigate the association between factors measured at the baseline and the development of specific health conditions. The NHEFS is comprised of a series of follow-up surveys, three of which have been completed. The first wave of data collection, the 1982-1984 NHEFS (ICPSR 8900), included all persons who were between 25 and 74 years of age at their NHANES I examination. The second wave of data collection, the 1986 NHEFS (ICPSR 9466), included the NHEFS cohort who were 55-74 years at their baseline examination and not known to be deceased at the time of the 1982-1984 NHEFS. The third wave, the 1987 NHEFS, was conducted for the entire nondeceased NHEFS cohort. The 1982-1984 NHEFS consisted of five steps. The first step focused on tracing and locating all subjects in the cohort or their proxies and determining their vital status. The second step involved obtaining death certificates for subjects who were deceased. Interviews with the participants or their proxies constituted the third phase of the follow-up. The fourth phase of the follow-up included measurements of pulse, blood pressure, and weight for interviewed respondents, and the fifth step was the acquisition of relevant hospital and nursing home records, including pathology reports and electrocardiograms. The 1986 NHEFS assessed changes to the health and functional status of the oldest members of the NHEFS cohort since the last contact period. The 1987 NHEFS also collected information on changes in the health and functional status of the NHEFS cohort since the last contact period. The Vital and Tracing Status file contains summary information about the status of the entire NHEFS cohort. The Health Care Facility Record file contains information on reports of stays in hospitals and nursing homes as well as information abstracted from facility medical records. The Mortality Data file contains data abstracted from the death certificates from all three NHEFS surveys. The Interview Data file contains information on selected aspects of the subject's health history since the time of the NHANES I exam.
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National Health and Nutrition Examination Survey I: Epidemiologic Follow-up Study, 1992 (ICPSR 6861)

Released/updated on: 2000-06-21
Geographic coverage: United States
The National Health and Nutrition Examination Survey I Epidemiologic Followup Study (NHEFS) is a longitudinal study that follows participants from the NHANES I who were aged 25-74 in 1971-1975. The NHEFS surveys were designed to investigate the association between factors measured at the baseline and the development of specific health conditions and functional limitations. Follow-up data were collected in 1982-1984 (ICPSR 8900), 1986 (ICPSR 9466), 1987 (ICPSR 9854), and 1992. The 1992 NHEFS collected information on changes in the health and functional status of the NHEFS cohort since the last contact period. The Vital and Tracing Status file (Part 1) provides summary information about the status of the NHEFS cohort. The Interview Data file (Part 2) covers selected aspects of the respondent's health history, including injuries, activities of daily living, vision and hearing, medical conditions, exercise, weight, family history of cancer, surgeries, smoking, alcohol use, and medical care utilization. The Health Care Facility Stay files (Parts 3 and 4) supply information about stays in hospitals, nursing homes, and mental health care facilities, as well as information abstracted from facility medical records. The Mortality Data file (Part 5) contains data abstracted from the death certificates for NHEFS decedents.
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