Second National Health and Nutrition Examination Survey, 1976-80: Medical History, Ages 12 - 74

The Second National Health and Nutrition Examination Survey (NHANES II) was one of a series of population based surveys designed to help determine the health status of the Nation. Data were collected through response to questionnaires on medical history, food consumption, and health- related behavior. Data also were collected through direct medical examination. The tape documented here contains data from the demographic and medical history parts of the survey, i.e., the health histories of NHANES II subjects who were interviewed. There were a total of 20,647 NHANES II sample persons 12 - 74 years of age, of whom 18,447 were interviewed. Various subsets and supplemental sets are available.

 

Source: NCHS

Size: 18,447 records of length 1160

Years: N/A

Media: 9-track tape

Format: EBCDIC Fixed Length

RecordLength: 1160

Structure: 1 record per Survey Subject

Complexity: Moderate; an operating system utility is available for converting EBCDIC records of fixed length to ASCII.