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National Ambulatory Medical Care Survey, 1975

Version
v1
Resource Type
Dataset : survey data
Creator
  • United States Department of Health and Human Services. National Center for Health Statistics
Other Title
  • Version 1 (Subtitle)
Collective Title
  • National Ambulatory Medical Care Survey Series
Publication Date
1989-09-26
Language
English
Free Keywords
ambulatory care; doctor visits; health care services; medical care; medical evaluation; medical records; medications; patient care; patients; physicians; prescription drugs; treatment
Description
  • Abstract

    The National Ambulatory Medical Care Surveys (NAMCS) supply data on ambulatory medical care provided in physicians' offices. These national estimates describe the utilization of ambulatory medical care and the nature and treatment of illness among the population seeking ambulatory care. The survey includes data on date of visit, reason for visit, date of birth, sex and race of patient, diagnosis, treatment, disposition of visit, and the physician's specialty.
  • Table of Contents

    Datasets:

    • DS1: Dataset
Temporal Coverage
  • Time period: 1975
Geographic Coverage
  • United States
Sampled Universe
Office visits to nonfederally employed physicians classified by the American Medical Association (AMA) or the American Osteopathic Association (AOA) as "office-based patient care" (excluding specialties of anesthesiology, pathology, and radiology) from 87 Primary Sampling Units (PSUs) in the United States.
Sampling
Stratified multistage probability design. In the first stage the PSUs were selected by a modified probability proportional-to-size procedure using separate sampling frames for SMSAs and for nonmetropolitan counties. The second stage consisted of a probability sample in 1975 of 3,507 practicing physicians selected from the master files maintained by the AMA and AOA. Within each PSU, all eligible physicians were stratified by nine specialty groups. The groups are: general/family practice, internal medicine, pediatrics, other medical specialties, general surgery, obstetrics/gynecology, other surgical specialties, psychiatry, and other specialties. The number physicians in scope and agreeing to participate was 2,472. The final stage was the selection of patient visits within the annual practices of sample physicians. This involved two steps. First, the total physician sample was divided into 52 with each group randomly assigned to 1 of the 52 weeks in the survey year. Second, a systematic random sample of visits was selected by the physician during the assigned week. The total number of patient records for these visits was 62,697.
Collection Mode
  • (1) The medical information is coded using the EIGHTH REVISION INTERNATIONAL CLASSIFICATION OF DISEASES, ADAPTED FOR USE IN THE UNITED STATES (ICDA).

Note
2008-09-12 SAS, SPSS, and Stata setup files have been added to this data collection.
Availability
Download
This study is freely available to ICPSR member institutions via web download.
Alternative Identifiers
  • 9193 (Type: ICPSR Study Number)
Publications
  • Mannino, D.M., Homa, D.M., Pertowski, C.A., Ashizawa, A., Nixon, L.L., Johnson, C.A., Ball, L.B., Jack, E., Kang, D.S.. Surveillance for asthma--United States, 1960-1995. Morbidity and Mortality Weekly Report.47, (1), 1-27.1998.
  • Schappert, Susan M.. Office visits for otitis media: United States, 1975-90. Advance Data from Vital and Health Statistics.214, Hyattsville, MD: National Center for Vital Statistics. 1992.
    • ID: http://www.cdc.gov/nchs/data/ad/ad214.pdf (URL)
  • Bryant, E. Earl, Shimizu, Iris. Sample design, sampling variance, and estimation procedures for the National Ambulatory Medical Care Survey. Vital and Health Statistics, Series 2: Data Evaluation and Methods Research.108, Hyattsville, MD: National Center for Health Statistics. 1988.
    • ID: http://www.cdc.gov/nchs/data/series/sr_02/sr2_108.pdf (URL)
  • Nelson, Cheryl, McLemore, Tommy. The National Ambulatory Medical Care Survey: 1975-81 and 1985 Trends. Vital and Health Statistics, Series 13: Data From the National Health Survey.93, Hyattsville, MD: National Center for Health Statistics. 1988.
    • ID: http://www.cdc.gov/nchs/data/series/sr_13/sr13_093.pdf (URL)
  • Verbrugge, L.M., Steiner, R.P.. Prescribing drugs to men and women. Health Psychology.4, (1), 79-98.1985.
    • ID: 10.1037/0278-6133.4.1.79 (DOI)
  • Fetter, Robert B., Averill, Richard F., Lichtenstein, Jeffrey L., Freeman, Jean L.. Ambulatory visit groups: A framework for measuring productivity in ambulatory care. Health Services Research.19, (4), 415-437.1984.
  • Verbrugge, L.M., Steiner, R.P.. Physician treatment of men and women patients: sex bias or appropriate care?. Medical Care.19, (6), 609-632.1981.
    • ID: 10.1097/00005650-198106000-00005 (DOI)
  • Cornell, Richard G., Landis, J. Richard, Zemach, Rita, Manela, Roger, Wainstock, Elizabeth J., Gardner, Harold H.. The Michigan Ambulatory Medical Care Survey: Results and utility relative to the national survey. Public Health Reports.95, (4), 369-375.1980.
  • Noren, Jay, Frazier, Todd, Altman, Isidore, DeLozier, James. Ambulatory medical care: A comparison of internists and family-general practitioners. New England Journal of Medicine.302, (1), 11-16.1980.
    • ID: 10.1056/NEJM198001033020103 (DOI)
  • Cypress, Beulah K.. Office visits for diseases of the circulatory system: The National Ambulatory Medical Care Survey, United States, 1975--1976. Vital and Health Statistics, Series 13: Data From the National Health Survey.40, Hyattsville, MD: National Center for Health Statistics. 1979.
    • ID: http://www.cdc.gov/nchs/data/series/sr_13/sr13_040.pdf (URL)
  • Cypress, Beulah K.. Office visits for diseases of the respiratory system: The National Ambulatory Medical Care Survey United States, 1975-76. Vital and Health Statistics, Series 13: Data From the National Health Survey.42, Hyattsville, MD: National Center for Health Statistics. 1979.
    • ID: http://www.cdc.gov/nchs/data/series/sr_13/sr13_042.pdf (URL)
  • Cypress, Beulah K.. Office visits to internists: the National Ambulatory Medical Care Survey, United States, 1975. Vital and Health Statistics, Series 13: Data From the National Health Survey.36, Hyattsville, MD: National Center for Health Statistics. 1978.
    • ID: http://www.cdc.gov/nchs/data/series/sr_13/sr13_036.pdf (URL)
  • Ezzati, Trena M.. Ambulatory care utilization patterns of children and young adults: National Ambulatory Medical Care Survey: United States, January-December 1975. Vital and Health Statistics, Series 13: Data From the National Health Survey.39, Hyattsville, MD: National Center for Health Statistics. 1978.
    • ID: http://www.cdc.gov/nchs/data/series/sr_13/sr13_039.pdf (URL)
  • Koch, Hugo, McLemore, Thomas. The National Ambulatory Medical Care Survey: 1975 summary: United States, January-December 1975. Vital and Health Statistics, Series 13: Data From the National Health Survey.33, Hyattsville, MD: National Center for Health Statistics. 1978.
    • ID: http://www.cdc.gov/nchs/data/series/sr_13/sr13_033.pdf (URL)
  • (author unknown). List of Three-Digit Categories: Eighth Revision International Classification of Diseases. Raleigh, NC: North Carolina State Board of Health, Public Health Statistics Section. 1974.
  • Meads, S., McLemore, T.. National Ambulatory Medical Care Survey: Symptom Classification. Vital and Health Statistics, Series 2: Data Evaluation and Methods Research.63, Hyattsville, MD: United States Department of Health and Human Services, National Center for Health Statistics. 1974.
    • ID: http://www.cdc.gov/nchs/data/series/sr_02/sr02_063acc.pdf (URL)
  • Tenney, James B., White, Kerr L., Williamson, John W.. National Ambulatory Medical Care Survey: Background and Methodology: United States, 1967-72. Vital and Health Statistics, Series 2: Data Evaluation and Methods Research.61, Rockville, MD: National Center for Health Statistics. 1974.
    • ID: http://www.cdc.gov/nchs/data/series/sr_02/sr02_061.pdf (URL)

Update Metadata: 2015-08-05 | Issue Number: 6 | Registration Date: 2015-06-15

United States Department of Health and Human Services. National Center for Health Statistics (1989): National Ambulatory Medical Care Survey, 1975. Version 1. National Ambulatory Medical Care Survey Series. Version: v1. ICPSR - Interuniversity Consortium for Political and Social Research. Dataset. https://doi.org/10.3886/ICPSR09193.v1