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The Chicago Community Adult Health Study (CCAHS) consists of four interrelated components that were conducted simultaneously: (1) a survey of adult health on a probability sample of 3,105 Chicago adults, including direct physical measurements of their blood pressure and heart rate and of height, weight, waist and hip circumference, and leg length; (2) a biomedical supplement which collected blood and/or saliva samples on a subset of 661 survey respondents; (3) a community survey in which individuals described aspects of the social environment of all survey respondents' neighborhoods; and (4) a systematic social observation (SSO) of the blocks in which potential survey respondents resided, including a lost letter drop (Milgram et al. 1965) as an unobtrusive measure of neighborhood social capital/sense of responsibility to help others. The latter two extend a community survey and SSO of neighborhoods carried out by the Project on Human Development in Chicago Neighborhoods (PHDCN) in 1995. The adult health survey and the community survey were conducted jointly through face-to-face interviews with a stratified, multistage probability sample of 3,105 individuals aged 18 and over and living in the city of Chicago, with a response rate of 72 percent that is about the highest currently attainable in large urban areas. In addition, blood pressure, heart rate, and physical measurements (of height, weight, waist and hips, and leg length) were collected during the survey interview, and blood and saliva samples from 661 respondents or 60 percent of those doing the survey in the 80 "focal" neighborhood clusters (NCs). SSOs were conducted on 1,663 of the 1,672 city blocks on which each respondent lived. The CCAHS is the largest of five projects under the NIH-funded Michigan Interdisciplinary Center on Social Inequalities, Mind and Body Mind (#P50HD38986), one of five Mind-Body Centers funded by the National Institutes of Health in late 1999. This study will advance the understanding of socioeconomic and racial/ethnic disparities in health, a major priority of the Public Health Service and the National Institutes of Health.

The PI-supplied summary mentions that the study is comprised of four components. However, for the purposes of this data release there are three distinct datasets. Demographic variables include age, birth year, race, ethnicity, number of children in the household, number of children living elsewhere, number of times the respondent has been married, and relationship status, religious preference, and sex.

The English Longitudinal Study of Ageing is a study of aging and quality of life for people over the age of 50. Established in 2002, the original sample was drawn from households that had previously responded to the Health Survey for England (HSE) between 1998 and 2001. The same group of respondents are surveyed every two years to see how their health, economic, and social circumstances may change over time. One of the study's aims is to determine the relationships between functioning and health, social networks, resources, and economic position as people plan for, move into, and progress beyond retirement. It is patterned after the Health and Retirement Study, a similar study based in the United States.

Although new topics can be introduced at different waves, every module has been reviewed to ensure that it will provide data that can measure change over time. This is achieved by repeating some measures exactly, by asking directly about change, and by adopting questions to allow people to update or amend past responses.

The information collected provides data about: Household and individual demographics; Health - physical and psychosocial; Social care (from Wave 6); Work and pensions; Income and assets; Housing; Cognitive function; Social participation; Effort and Reward (voluntary work and caring); Expectations; Walking speed; Weight.

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.

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.

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.

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.

The Mexican Health and Aging Study (MHAS) is a national longitudinal study of adults 50 years and older in Mexico. The study is a collaborative effort among researchers from the Universities of Pennsylvania, Maryland, and Wisconsin in the United States, and the Instituto Nacional de Estadistica, Geografia e Informatica (INEGI) in Mexico.

The baseline survey includes a nationally representative sample of Mexicans aged 50 and over and their spouse/partners regardless of their age. A direct interview was sought with each individual, and proxy interviews were obtained when poor health or temporary absence precluded a direct interview. Topics covered include: health behavior and health status, childhood and family background, migration history, sources and amounts of income, and housing environment.

The MHAS is partly supported by the National Institutes of Health/National Institute on Aging and the INEGI in Mexico. The MHAS was designed as a longitudinal study with protocols highly comparable to the Health and Retirement Study (HRS) of the United States.

This survey of adult management tasks began in 1995 as part of a larger national project (MIDUS) to investigate the patterns, predictors, and consequences of midlife development in the areas of physical health, psychological well-being, and social responsibility. Conducted in Boston, the survey was designed to examine how adults manage tasks in three domains of life -- work, family, and health. Further goals were to describe the subjective experience of goal attainment in midlife and to link it with objective measures of short-term longitudinal changes and cognitive functioning. During the national study, the Boston area was intentionally oversampled in order to create a subset to be used for in-depth study of management processes in midlife.

The Boston study began six months after the national study, and consisted of three interviews: a 30-minute phone interview followed by a 20-minute mail questionnaire (Time 1), a 90-minute in-person combination of cognitive tests, cortisol testing, photograph taking, and interview (Time 2), and a 30-minute phone interview (Time 3), conducted at six-month intervals. The focus was on projects related to family, work, and health that participants were working on during the period of the study. Each successive interview investigated participants' assessments of their progress in the present, recollection of six months in the past, and prediction six months into the future. Two waves of data collection were completed for this study. There were 151 respondents who participated in the first wave, 151 respondents who participated in both waves, and 26 additional respondents who participated in the second wave of data collection.

At Time 1, participants generated a list of two important family, work, and health tasks, then chose one of each as the most important in that domain. For each of the most important tasks, questions were asked about deadlines, whether participants were doing tasks because they had to do them, felt that they should do them, or chose to do them, and whether participants were doing tasks for themselves, others, or both. All six projects were ranked according to importance, and participants divided all their time into percentages spent on family, work, and health. The majority of questions on the mail questionnaire at Time 1 were taken from the Midlife Development Inventory (MIDI), the instrument created for the national study.

Respondents were asked to rate their control over health, to make assessments about present, past, and future health, to list any serious illnesses, and to indicate their physical health status. Study participants also rated their mental health, and discussed stressful life events in the last six months for self, spouse/significant other, parents, and children. Other questions focused on depression, mastery and constraints, community involvement, family, work, and life satisfaction. Scales used included the Ryff Well-Being Scales, the Eysenck Personality Inventory, the Staudinger and Baltes Wisdom Scale (1995), and the Ways of Coping Scale.

Time 2 was done in-person, and included a 50-minute series of cognitive tests followed by a 40-minute interview. The cognitive testing consisted of nine measures of cognitive ability completed in the following order: WAIS Forward Digit Span, WAIS Backward Digit Span, WAIS Vocabulary, counting backwards test, letter comparison test, dual-task test involving the counting backwards and letter comparison tests, WAIS Digit Symbol, Schaie-Thurston Letter Series, and Raven's Advanced Progressive Ma Matrices.

The Time 2 interview began with a series of questions asking about each of the family, work, and health tasks elicited from the participants in Time 1. Many questions were repeated from the MIDI including rating physical health, family life, work situation, and life overall, rating physical and mental health from poor to excellent, and a measure of stressful life events in the last six months for self, spouse/significant other, parents, and children. Participants were asked to rate how old they felt and how old they looked and to indicate their total yearly household income. Lastly, a series of open-ended questions asked about best and worst aspects of family, work, and health, how participants managed their daily life, the most challenging aspect of life and how it was managed, and what participants found most helpful in carrying out their daily life. Photographs were taken of participants at the conclusion of the interview.

Time 3 asked again about each of the most important family, work, and health tasks elicited from the participants in Time 1. Newly developed questions asked participants about ideas related to middle age, including when the participant believed middle age begins and ends, whether the participant was younger than, in, or older than middle age, the biggest changes in middle age, the best and worst aspects of middle age, whether the participant knew anyone who had had a "midlife crisis," and whether he or she would have or had had a midlife crisis. Participants were asked to rate how often they had problems and how often things went well with respect to a list of 26 domains, and how much stress and how much control they had in these domains. Lastly, participants were asked whether they had ever returned to a degree-oriented educational program after being out of school for five or more years, whether they were presently taking classes to further their education, and whether being a participant in the study had influenced the ways they thought about their family, work, and health projects.

The MIDUS Refresher study Survey (2011-2014 ICPSR 36532) recruited a national probability sample of 3,577 adults, aged 25 to 74, designed to replenish the original MIDUS 1 baseline cohort and paralleling the five decadal age groups of the MIDUS 1 baseline survey (ICPSR 2760). The MIDUS Refresher survey employed the same comprehensive assessments as those assembled on the core longitudinal MIDUS sample, but with additional questions about impacts of the economic recession of 2008-09. The MIDUS Refresher Biomarker study (2012-2016) obtained data from 863 respondents (n=746 Main sample, n=117 African Americans from Milwaukee) who completed the MIDUS Refresher Survey.

The purpose of the Refresher Biomarker Project (Project 4) parallels that of the MIDUS 2 Biomarker project (ICPSR 29282), which collected comprehensive biological assessments on a subsample of MIDUS respondents, thus facilitating analyses that integrate behavioral and psychosocial factors with biological regulation/dysregulation, broadly defined. The aim was to use such data to explicate biopsychosocial pathways that contributed to diverse health outcomes. A further theme was to examine period effects on health (mental and physical) related to the economic recession by comparing the pre-recession MIDUS sample with the post-recession MIDUS Refresher sample. A further objective of the MIDUS Refresher sample was to strengthen cross-project analyses by increasing the sample sizes available for testing hypotheses regarding the interplay of key factors (e.g., socioeconomic status, gender, psychosocial factors, biological factors) in mid- and later-life health.

Biomarker data collection was carried out at hypothalamic-pituitary-adrenal axis, the autonomic nervous system, the immune system, cardiovascular system, musculoskeletal system, antioxidants, and three General Clinical Research Centers (at UCLA, University of Wisconsin, and Georgetown University). The biomarkers reflect functioning of the metabolic processes. Our specimens (fasting blood draw, 12-hour urine, saliva) allowed for assessment of multiple indicators within these major systems. The protocol also included assessments by clinicians or trained staff, including vital signs, morphology, functional capacities including 3 dimensional gait analysis, bone densitometry, body composition, ankle brachial index, medication usage, and a physical exam. Project staff obtained indicators of heart-rate variability, beat to beat blood pressure, respiration, and salivary cortisol assessments during an experimental protocol that included both a cognitive and orthostatic challenge. Finally, to augment the self-reported data collected in Survey (Project 1), participants completed a medical history, self-administered questionnaire, and self-reported sleep assessments. For respondents at one site (UW-Madison), objective sleep assessments were also obtained with an Actiwatch(R) activity monitor.

This longitudinal data collection supplies information on the educational, vocational, and personal development of young people who were high school seniors in 1972 and examines the kinds of factors -- personal, familial, social, institutional, and cultural -- that may affect that development. The collection provides a broad spectrum of information on each student and covers areas such as ability, socioeconomic status, home background, community environment, ethnicity, significant others, current activity at time of survey, educational attainment, school experiences, school performance, work status, work performance and satisfaction, goal orientations, marriage and the family, and military experience.

Data collected in the base-year (1972) focus on factors relating to the student's personal/family background, education and work experiences, plans, aspirations, attitudes, and opinions. The first follow-up, which was conducted in 1973, offers information on the respondent's activity state (education, work, etc.), socioeconomic status, work and educational experience since leaving high school, future plans, and expectations. The second follow-up (1974) probes respondents on similar measures but is augmented by additional variables pertaining to work and education. The third follow-up (1976) contains additional items on graduate school application and entry, job supervision, sex roles, sex and race biases, and a subjective rating of high school experiences. The fourth follow-up (1979) offers data similar to the other follow-ups but includes some variables that were modified to elicit unique information. For the fifth follow-up, the sample members averaged 32 years of age and had been out of high school for 14 years. In addition to covering the same subject areas as the previous surveys, this follow-up includes additional questions on marital history, divorce, child support, and economic relationships in modern families.

Part 1 of this collection contains base-year data as well as data collected during four subsequent follow-ups undertaken in 1973, 1974, 1976, and 1979, while Part 11 contains fifth follow-up data for 1986. Part 2, the School File, contains information obtained from the respondent's high school and also from high school counselors. Data are available on school organization and enrollment, course offerings, special services and programs, library and other resources, time scheduling, and grading systems. Counselor information is supplied on work loads, counseling practices and facilities, experience with student financial aid programs, age, ethnicity, training, and experience. A supplementary School District Census File, Part 3, contains 1970 Census data tabulated by school district boundaries. In addition, the collection includes a FICE Code File and a CEEB Institutional Data Base File that can be used in conjunction with the student file to supply contextual information about respondents' colleges. The Institutional Data Base File offers data for colleges and universities on items such as enrollment, income and revenues, expenses, tuition and fees, and median student scores on standardized tests. Parts 7, 8, 9 and 10 contain transcript data from each postsecondary institution reported by sample members in the first through fourth follow-up surveys. Data are available for several types of postsecondary institutions, ranging from short-term vocational or occupational programs through major universities with graduate programs and professional schools. Data in these four rectangular files -- Student, Transcript, Term, and Course Files -- are organized to be used in combination hierarchically. Information is available on terms of attendance, fields of study, specific courses taken, and grades and credits earned. The Fifth Follow-Up Teaching Supplement (Parts 12) surveyed those members of the original 1972 sample who had obtained teaching certificates and/or who had teaching experience. Respondents were asked questions about their qualifications, experience, and attitudes toward teaching.

The National Survey of Families and Households (NSFH), Wave 2 1992-1994, a longitudinal population-based survey of families and households in the United States, investigates the causes and consequences of changes in American family and household structure. This is the second wave of a three part survey. The current study, NSFH Wave 2, is the second follow up and was conducted in 1992-1994. The sample included all NSFH Wave 1 main respondents and spouse/partner with focal children and all other NSFH Wave 1 main respondents ages 45 and over in 2000, as well as their NSFH Wave 1 spouse/partner.

The Wave 2 survey included the following components: (1) an interview of all surviving members of the original sample via face-to-face personal interview, (2) a personal interview with the current spouse or cohabiting partner almost identical to the interview with the main respondent, (3) a personal interview with the original spouse or partner of the primary respondent in cases where this relationship had ended, (4) a telephone interview with "focal children" who were originally aged 13-18 in Wave 1, (5) a short telephone interview with "focal children" who were originally aged 5-12 in Wave 1, (6) short proxy interviews with a surviving spouse or other relative in cases where the original respondent had died or was too ill to interview, and (7) a telephone interview with a randomly-selected parent of the main respondent. Demographic information collected includes sex, age, marital status, education, and employment

The Survey on Health, Ageing and Retirement in Europe (SHARE) is a multidisciplinary and cross-national panel database of micro data on the health, socio-economic status, and social and family networks of older adults (aged 50 years and over) throughout Europe. Designed to provide a full picture of the aging process, SHARE collects data on a range of topics including health conditions, physical and cognitive functioning, mental health, life satisfaction, employment, income, education, social networks, and social support mechanisms. The first wave of SHARE data collection occurred in 2004-2005, the second wave in 2006-2007, and the third wave in 2008-2009.

SHARE has been harmonized with the United States HEALTH AND RETIREMENT STUDY (HRS) [ICPSR6854], and the ENGLISH LONGITUDINAL STUDY OF AGEING (ELSA) [ICPSR0139].

In 2008, with funding from the National Institute on Aging (NIA), baseline survey data were collected from a probability sample of Japanese adults (N=1,027) aged 30 to 79 from the Tokyo metropolitan area, resulting in the Survey of Midlife in Japan (MIDJA) [ICPSR 30822]. In 2009-2010, biomarker data was obtained from a subset (n=382) of these cases (MIDJA Biomarker) [ICPSR 34969].

The survey and biomarker measures obtained, parallel those in a national longitudinal sample of Americans known as Midlife in the United States (MIDUS) [ICPSR 4652: MIDUS 2 and ICPSR 2760: MIDUS 1]. The central objective was to compare the Japanese sample (MIDJA) with the United States sample (MIDUS) to test hypotheses about the role of psychosocial factors in the health (broadly defined) of mid- and later-life adults in Japan and the United States

In 2012, with additional support from NIA, a longitudinal follow-up of the MIDJA sample was conducted resulting in a second wave (N=657) of survey data (MIDJA 2) [ICPSR 36427].

This collection reflects data from 2013-2014, when a second wave of biomarker data was obtained from a sub-sample (n=328) of those who completed the MIDJA 2 survey. Among this group, about 75 percent (n=243) also completed the first wave of biomarker assessments.

Participants traveled to a clinic on the University of Tokyo campus where biomarker data (vital signs, morphometric assessments, blood assays, and medication data) were obtained. Participants also provided daily saliva samples for cortisol assessment and completed a self-administered medical history questionnaire, as well as a time preference questionnaire.

The medical history questionnaire included assessments of conditions and symptoms, major health and life events, nutrition/diet, and additional psychosocial measures (anxiety, depression, relationship quality, control, etc.).

The time preference questionnaire was used to collect respondents' opinions on management of money and assets given hypothetical scenarios.

Demographic variables include age, gender, and marital status.

In 2008, with funding from the National Institute on Aging (NIA), baseline survey data for the Survey of Midlife in Japan (MIDJA), April-September 2008 were collected from a probability sample of Japanese adults (N=1,027) aged 30 to 79 from the Tokyo metropolitan area (ICPSR 30822). In 2009-2010 biomarker data was obtained from a subset of these cases (ICPSR 34969).

The survey and biomarker measures obtained parallel those in a national longitudinal sample of Americans known as Midlife in the United States or MIDUS (ICPSR 2760: MIDUS 1 and ICPSR 4652: MIDUS 2). The central objective was to compare the Japanese sample (MIDJA) with the United States sample (MIDUS) to test hypotheses about the role of psychosocial factors in the health (broadly defined) of mid- and later-life adults in Japan and the United States.

In 2012, with additional support from NIA, a longitudinal follow-up of the MIDJA sample was completed. The data collection for this second wave (N=657) largely repeated the baseline assessments. The goal of the follow-up wave was to conduct comparisons of longitudinal data available from the Japanese sample (MIDJA) and the United States sample (MIDUS) to test the hypothesis about the role of psychosocial factors in predicting health changes (including biomarkers) in both cultural contexts. Cultural influences on age differences in health and well-being were also of interest.

Demographic and background information included gender, age, education, marital status, household composition, and income.

Formerly titled Marital Instability Over the Life Course (MIOLC -- ICPSR 3812), the Work and Family Life Study (WFLS) is a follow-up to the MIOLC. The MIOLC examined the causes of marital instability throughout the life course, and contains 6 waves of data collected between 1980 and 2000, which were gathered from married respondents who were between the ages of 19 and 55.

The Work and Family Life Study provides data for use in assessing: changes in marital quality between 1980 and 2000; the effects of family-of-origin characteristics and marital history on the physical and psychological health of respondents; and evaluating sample attrition, factors which lead to attrition, and attrition bias.

The WFLS collected new cross-sectional information (Part 2 -- Public Use Cross Section, N = 2,189) on married people 55 years of age and younger, using the same sampling procedures and interview questions that were used in the 1980 wave of the MIOLC. The Work and Family Life Study's Public Use Cross Section is the latest addition to the data collections. This new Public Use Cross Section studies the effects of wives' participation in the labor force on marriage and marital instability.

Also provided in this collection are the Public Use All Waves (Part 1, N = 2,034) and the Public Use Panel Wave 6 (Part 3, N = 1,031). The Public Use All Waves contains information from Waves I through VI, which were collected in 1980, 1983, 1987, 1992-1994, 1997, and 2000. Among the variables included in all six waves are age, sex, educational attainment, marital status and history, attitude toward divorce, number of children, religious affiliation, and income level. The Public Use Panel Wave 6 contains data on persons who only responded to wave 6 of the study.

Unique to this data collection, the Public Use Comparison file (Part 4, N = 11,741) contains information on respondents who would have been between the ages of 19 and 55 in 1980, married, and living with their spouse. These data evaluate potential bias from sample attrition in the panel study. The Comparison Sample is a special purpose sample and does not generalize to a normally defined population of ever married persons.