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United States National Health and Nutrition Examination Survey 1971-1975

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General Info
Original or alternative title 
NHANES I
Provider 
National Center for Health Statistics, Centers for Disease Control and Prevention
Microdata access: Download
Geography 
United States of America (USA)
Coverage type 
Country
Time period covered 
04/1971 - 10/1975
Series or system 
United States National Health and Nutrition Examination Survey (NHANES)
United States National Health and Nutrition Examination Survey Epidemiologic Followup Study (NHEFS)
Data type
Survey:
  • Cross-sectional
  • Exam
  • Household
  • Individual
  • Interview
  • Longitudinal
  • Nationally representative
Summary 

The National Health and Nutrition Examination Survey (NHANES) is an ongoing research survey designed to measure the health and nutritional status of the population of the United States. The 1971-1975 NHANES (NHANES I) included a nationally representative sample of about 23,808 persons age 1 to 74 who were both interviewed and examined, and another 8,165 individuals who were interviewed but not examined. NHANES uses a combination of interviews, physical examinations, and laboratory tests to collect data. All persons 25-74 years of age who completed a medical examination during NHANES I (n = 14,407) also constituted the cohort for the NHANES Epidemiological Followup Study.

The dataset, available for download on this page, and is compressed in the 7z archive format. Extracting this file requires the 7-Zip file archiver software.

Keywords 
Abortion, Abortive outcome, Adolescents, Agriculture, Alcohol use, Allergies, Anemia, Anthropometry, Antihypertensive drugs, Anxiety, Appendicitis, Appetite loss, Assets, Asthma, Atrial fibrillation and flutter, Back and neck pain, Back pain, Bacterial skin diseases, Biopsy, Birth control pills, Birth place, Birth weight, Blood pressure, Blood tests, Breastfeeding, Burns, COPD, Calcium, Cancers ...  [View more]
GHDx Entry last modified on: Apr 16, 2025