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Curated

National Hospital Ambulatory Medical Care Survey, 2005 (ICPSR 28261)

Released/updated on: 2010-06-08
Geographic coverage: United States
The National Hospital Ambulatory Medical Care Survey (NHAMCS) provides data from samples of patient records selected from emergency departments (EDs) and outpatient departments (OPDs) of a national sample of hospitals. The resulting national estimates describe the use of hospital ambulatory medical care services in the United States. For the 2005 survey, data were collected from 205 OPDs and 417 EDs. Among the variables included are age, race, and sex of the patient, reason for the visit, physician's diagnoses, cause of injury, surgical procedures (OPDs only), medication therapy, and expected source of payment. For 2005, additional updates and revisions have been made to both the emergency department and outpatient department data, including modifications to preexisting variables and the inclusion of new variables pertaining but not limited to patient pregnancy, height, and weight.
Curated

National Hospital Ambulatory Medical Care Survey, 2007 (ICPSR 28442)

Released/updated on: 2010-06-24
Geographic coverage: United States
The National Hospital Ambulatory Medical Care Survey (NHAMCS) provides data from samples of patient records selected from emergency departments (EDs) and outpatient departments (OPDs) of a national sample of hospitals. The resulting national estimates describe the use of hospital ambulatory medical care services in the United States. For the 2007 survey, data were collected from 202 OPDs and 432 EDs. Among the variables included are age, race, and sex of the patient, reason for the visit, physician's diagnoses, cause of injury, surgical procedures (OPDs only), medication therapy, and expected source of payment. For 2007, additional updates and revisions have been made to both the emergency department and outpatient department data, including modifications to pre-existing variables pertaining but not limited to electronic medical records.
Curated

National Hospital Ambulatory Medical Care Survey, 2008 (ICPSR 29922)

Released/updated on: 2011-01-18
Geographic coverage: United States
The National Hospital Ambulatory Medical Care Surveys (NHAMCS) provide data from samples of patient records selected from emergency departments (EDs) and outpatient departments (OPDs) of a national sample of hospitals. The resulting national estimates describe the use of hospital ambulatory medical care services in the United States. For the 2008 survey, data were colected from 209 OPDs and 431 EDs. Among the variables included are age, race, and sex of the patient, reason for the visit physician's diagnoses, cause of injury, surgical procedures (OPD's only), medication therapy, and expected source of payment. The 2008 survey remains unchanged from the previous year.
Curated

National Hospital Discharge Survey, 1979-2006: Multi-Year Public Use File (ICPSR 24281)

Released/updated on: 2009-01-28
Geographic coverage: United States
Time period: 1979-01-01--2006-01-01
The National Hospital Discharge Survey (NHDS) collects medical and demographic information annually from a sample of hospital discharge records. Variables include patients' demographic characteristics (sex, age, race, marital status), dates of admission and discharge, source and type of admission, status at discharge, final diagnoses, surgical and nonsurgical procedures, dates of surgeries, and sources of payment. Information on hospital characteristics such as bed size, ownership, and region of the country is also included. This collection includes data for non-newborns for 1979-1989 (Dataset 1), non-newborns for 1990-2006 (Dataset 2) and newborns for 1979-2006 (Dataset 3). The medical information is coded using the INTERNATIONAL CLASSIFICATION OF DISEASES, 9TH REVISION, CLINICAL MODIFICATION (ICD-9-CM). In addition, there are several Excel files that contain information needed to calculate relative standard errors (RSEs) and to compute utilization rates based on Census population estimates (POPs).
Curated

National Hospital Discharge Survey, 2005 (ICPSR 20380)

Released/updated on: 2007-12-13
Geographic coverage: United States
The 2005 National Hospital Discharge Survey (NHDS) collects medical and demographic information annually from a sample of hospital discharge records. Variables include patients' demographic characteristics (sex, age, race, marital status), dates of admission and discharge, source and type of admission, status at discharge, final diagnoses, surgical and nonsurgical procedures, dates of surgeries, and sources of payment. Information on hospital characteristics such as bedsize, ownership, and region of the country is also included. The medical information is coded using the INTERNATIONAL CLASSIFICATION OF DISEASES, 9TH REVISION, CLINICAL MODIFICATION (ICD-9-CM).
Curated

Study of Women's Health Across the Nation (SWAN), 1998-2001: Family Medical History From Visits 02, 03, and 04 (ICPSR 30181)

Released/updated on: 2014-02-13
Geographic coverage: Inkster, Hackensack, United States, Chicago, Ypsilanti, California, New Jersey, Michigan, Pennsylvania, Illinois, Massachusetts, Los Angeles, Boston, Pittsburgh
Time period: 1998-02-15--2001-06-01
The Study of Women's Health Across the Nation (SWAN) is a multisite longitudinal, epidemiologic study designed to examine the health of women during their middle years. The study examines the physical, biological, psychological and social changes during this transitional period. The goal of SWAN's research is to help scientists, health care providers, and women learn how mid-life experiences affect health and quality of life during aging. The study is co-sponsored by the National Institute on Aging (NIA) and the National Institute of Health (NIH), Office of Research on Women's Health. The study began in 1994. Between 1998 and 2001, 2,829 of the 3,302 women that joined SWAN participated in a collection of family history data. The research centers are located in the following communities: Ypsilanti and Inkster, MI (University of Michigan); Boston, MA (Massachusetts General Hospital); Chicago, IL (Rush Presbyterian-St. Luke's Medical Center); Almeda and Contra Costa County, CA (University of California, Davis and Kaiser Permanente); Los Angeles, CA (University of California, Los Angeles); Hackensack, NJ (Hackensack University Medical Center); and Pittsburgh, PA (University of Pittsburgh). SWAN participants represent five racial/ethnic groups and a variety of backgrounds and cultures.
Curated
Simple Crosstabs

Study of Women's Health Across the Nation (SWAN), 2003-2005: Visit 07 Dataset (ICPSR 31901)

Released/updated on: 2025-07-10
Geographic coverage: Inkster, Contra Costa County, Alameda County, United States, Chicago, Ypsilanti, California, Michigan, Pennsylvania, Illinois, Massachusetts, Los Angeles, Boston, Pittsburgh
Time period: 2003-05-15--2005-01-31
The Study of Women's Health Across the Nation (SWAN), is a multi-site longitudinal, epidemiologic study designed to examine the health of women during their middle years. The study examines the physical, biological, psychological and social changes during this transitional period. The goal of SWAN's research is to help scientists, health care providers and women learn how mid-life experiences affect health and quality of life during aging. Data were collected about doctor visits, medical conditions, medications, treatments, medical procedures, relationships, smoking, and menopause related information such as age at pre-, peri- and post-menopause, self-attitudes, feelings, and common physical problems associated with menopause. The study began in 1994. Between 2003 and 2005, 2,327 of the 3,302 women that joined SWAN were seen for their seventh follow-up visit. The research centers are located in the following communities: Ypsilanti and Inkster, MI (University of Michigan); Boston, MA (Massachusetts General Hospital); Chicago, IL (Rush Presbyterian-St. Luke's Medical Center); Alameda and Contra Costa County, CA (University of California-Davis and Kaiser Permanente); Los Angeles, CA (University of California-Los Angeles); Hackensack, NJ (Hackensack University Medical Center); and Pittsburgh, PA (University of Pittsburgh). SWAN participants represent five racial/ethnic groups and a variety of backgrounds and cultures. Though the New Jersey site was still part of the study, data was not collected from this site for the seventh visit. Demographic and background information includes age, language of interview, marital status, household composition, and employment.
Curated
Simple Crosstabs

Study of Women's Health Across the Nation (SWAN): Baseline Dataset, [United States], 1996-1997 (ICPSR 28762)

Released/updated on: 2019-05-15
Geographic coverage: Detroit, United States, Chicago, California, Oakland, New Jersey, Michigan, Pennsylvania, Illinois, Massachusetts, Los Angeles, Newark, Boston, Pittsburgh
Time period: 1996-01-01--1997-11-30

The Study of Women's Health Across the Nation (SWAN), is a multi-site longitudinal, epidemiologic study designed to examine the health of women during their middle years. The study examines the physical, biological, psychological, and social changes during this transitional period. The goal of SWAN's research is to help scientists, health care providers, and women learn how mid-life experiences affect health and quality of life during aging. The data include questions about doctor visits, medical conditions, medications, treatments, medical procedures, relationships, smoking, and menopause related information such as age at pre-, peri- and post-menopause, self-attitudes, feelings, and common physical problems associated with menopause.

The study is co-sponsored by the National Institute on Aging (NIA), the National Institute of Nursing Research (NINR), the National Institutes of Health (NIH), and the NIH Office of Research on Women's Health. The study began in 1994. Between 1996 and 1997, 3,302 participants joined SWAN through 7 designated research centers. The research centers are located in the following communities: Detroit, MI; Boston, MA; Chicago, IL; Oakland and Los Angeles, CA; Newark, NJ; and Pittsburgh, PA. SWAN participants represent five racial/ethnic groups and a variety of backgrounds and cultures. This is the next phase of data collection after the original collection of the screening data (ICPSR 4368).

Curated
Simple Crosstabs

Study of Women's Health Across the Nation (SWAN): Visit 01 Dataset, [United States], 1997-1999 (ICPSR 29221)

Released/updated on: 2019-05-02
Geographic coverage: Detroit, United States, Chicago, California, Oakland, New Jersey, Michigan, Pennsylvania, Illinois, Massachusetts, Los Angeles, Newark, Boston, Pittsburgh
Time period: 1997-02-01--1999-01-31

The Study of Women's Health Across the Nation (SWAN) is a multi-site longitudinal, epidemiologic study designed to examine the health of women during their middle years. The study examines the physical, biological, psychological, and social changes during this transitional period. The goal of SWAN's research is to help scientists, health care providers and women learn how mid-life experiences affect health and quality of life during aging. The data include questions about doctor visits, medical conditions, medications, treatments, medical procedures, relationships, smoking, and menopause related information such as age at pre-, peri- and post-menopause, self-attitudes, feelings, and common physical problems associated with menopause.

The study is co-sponsored by the National Institute on Aging (NIA), the National Institute of Nursing Research (NINR), the National Institutes of Health (NIH), and the NIH Office of Research on Women's Health. The study began in 1994. Between 1997 and 1999, 2,881 of the 3,302 women that joined SWAN were seen for their first follow-up visit. The research centers are located in the following communities: Detroit, MI; Boston, MA; Chicago, IL; Oakland and Los Angeles, CA; Newark, NJ; and Pittsburgh, PA. SWAN participants represent five racial/ethnic groups and a variety of backgrounds and cultures.

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