National Ambulatory Medical Care Survey, 1990 (ICPSR 9831)

Published: Feb 12, 1993 View help for published

Principal Investigator(s): View help for Principal Investigator(s)
United States Department of Health and Human Services. National Center for Health Statistics

Series:

https://doi.org/10.3886/ICPSR09831.v1

Version V1

The National Ambulatory Medical Care Surveys (NAMCS) supply data on ambulatory medical care provided in physicians' offices. The 1990 survey contains information from 43,469 patient visits to 1,684 physicians. Data are available on the patient's reason for the visit, the physician's diagnosis, and the kinds of diagnostic and therapeutic services rendered. Information is included on the physician's specialization and geographical location. Demographic information on patients, such as age, sex, race, and ethnicity, was also collected.

United States Department of Health and Human Services. National Center for Health Statistics. National Ambulatory Medical Care Survey, 1990. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 1993-02-12. https://doi.org/10.3886/ICPSR09831.v1

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In preparing the data tape(s) for this collection, the National Center for Health Statistics (NCHS) has removed direct identifiers and characteristics that might lead to identification of data subjects. As an additional precaution, NCHS requires, under section 308(d) of the Public Health Service Act (42 U.S.C. 242m), that data collected by NCHS not be used for any purpose other than statistical analysis and reporting. NCHS further requires that analysts not use the data to learn the identity of any persons or establishments and that the director of NCHS be notified if any identities are inadvertently discovered. ICPSR member institutions and other users ordering data from ICPSR are expected to adhere to these restrictions.

1990
1990 -- 1991

Per agreement with NCHS, ICPSR distributes the data file(s) and technical documentation in this collection in their original form as prepared by NCHS.

The 1990 NAMCS utilized a multistage probability sample design. Primary sampling units were selected in the first stage, physician practices within PSUs in the second stage, and patient visits to selected physicians in the third stage.

Office visits made within the United States by patients of nonfederally employed physicians who were primarily involved in office-based patient care activities, but not engaged in the specialties of radiology, pathology, or anesthesiology.

patient records completed by physicians

survey data

1993-02-12

1993-02-12

2018-02-15 The citation of this study may have changed due to the new version control system that has been implemented. The previous citation was:
  • U.S. Dept. of Health and Human Services, National Center for Health Statistics. NATIONAL AMBULATORY MEDICAL CARE SURVEY, 1990. Hyattsville, MD: U.S. Dept. of Health and Human Services, National Center for Health Statistics [producer], 1992. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 1992. http://doi.org/10.3886/ICPSR09831.v1

Notes

  • The public-use data files in this collection are available for access by the general public. Access does not require affiliation with an ICPSR member institution.

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This study is maintained and distributed by the National Archive of Computerized Data on Aging (NACDA), the aging program within ICPSR. NACDA is sponsored by the National Institute on Aging (NIA) at the National Institutes of Heath (NIH).