NHANES 1 (National Health and Nutrition Examination Survey, 1971-1975) Chest X-ray, Pulmonary Diffusion, and Tuberculin Results, Ages 25-74. Public Use Data Tape Documentation

摘要

The First National Health and Nutrition Examination Survey, (NHANES I), was conducted on a nationwide probability sample of persons aged 1-74 years. The NHANES-I sample was selected so that certain population groups thought to be at high risk of malnutrition were oversampled. Information for all examined persons in NHANES I was obtained by means of household interview; a general medical history; a 24-hour dietary intake recall interview; a food frequency interview; a food program questionnaire; a general medical examination; dental, dermatological, and ophthalmological examinations; anthropometric measurements; and hematological, blood chemistry, and urological laboratory determinations. Additional data were gathered on a subsample of 6,913 adults aged 25-74 by means of a supplementary medical history questionnaire.