The survey was designed to obtain nationally representative information on the health and nutritional status of the population of the United States through interviews and direct physical examinations. Physical examinations and objective measures are employed because the information collected cannot be furnished or is not available in a standardized manner through interviews with the people themselves or through records maintained by the health professionals who provide their medical care. The following list describes the specific characteristics of each file. The block size and record length pertain to data stored on tape.
Data are available on tape and CD-ROM .
NTIS order no. Data year GPO order no. NTIS order no. All documentation is included electronically on the data tape and CD-ROMs. All data users are strongly encouraged to review these reference materials and reports before analyzing the data.