NHANES Questionnaires, Datasets, and Related Documentation Conducted from 1988-1994, the third National Health and Nutrition Examination Survey (NHANES III) focused on oversampling many groups within the U S population aged 2 months and over
National Health and Nutrition Examination Survey (NHANES) National Health and Nutrition Examination Survey (NHANES) NHANES is the principal source of information on the measured health and Nutritional status of the civilian noninstitutionalized population of the United States