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National Ambulatory Medical Care Survey, 1973

Version
v0
Resource Type
Dataset : survey data
Creator
  • United States Department of Health and Human Services. National Center for Health Statistics
Other Title
  • Archival Version (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
  • 1973 / 1974
    Time period: 1973--1974
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 for 1973 of 1,695 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 of physicians in scope and agreeing to participate was 1,103. 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 29,102.
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
Delivery
This version of the study is no longer available on the web. If you need to acquire this version of the data, you have to contact ICPSR User Support (help@icpsr.umich.edu).
Alternative Identifiers
  • 9192 (Type: ICPSR Study Number)
Relations
  • Is previous version of
    DOI: 10.3886/ICPSR09192.v1
Publications
  • 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)
  • Fishbane, Marsha, Starfield, Barbara. Child health care in the United States: A comparison of pediatricians and general practitioners. New England Journal of Medicine.305, (10), 552-556.1981.
    • ID: 10.1056/NEJM198109033051004 (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.
  • Verbrugge, L.M.. Sex differences in complaints and diagnoses. Journal of Behavioral Medicine.3, (4), 327-355.1980.
    • ID: 10.1007/BF00845289 (DOI)
  • Stern, Robert S., Johnson, Marie-Louise, DeLozier, James. Utilization of physician services for dermatologic complaints. The United States, 1974. Archives of Dermatology.113, (85-1378), 1062-1066.1977.
    • ID: 10.1001/archderm.113.8.1062 (DOI)
  • Anonymous. A profile of internists: The National Ambulatory Medical Care Survey. Bulletin of the American College of Physicians.17, (11), 16-17.1976.
  • Anonymous. National Ambulatory Medical Care Survey: May 1973 - April 1974. Bulletin of the American College of Physicians.16, (10), 20 -1975.
  • (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)
  • Hoermann, S.A.. The national ambulatory medical care survey. Medical Care.11, (2 Suppl.), 196-205.1973.

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, 1973. Archival Version. National Ambulatory Medical Care Survey Series. Version: v0. ICPSR - Interuniversity Consortium for Political and Social Research. Dataset. https://doi.org/10.3886/ICPSR09192