Standardized eye examination with certain components of the examination given to people of different ages. Results of a five or more trial set Forded Expiratory Spirogram. This test provided measures of respiratory performance and capacity. Because of the survey design, the recall period did not generally include Saturday or Sunday. Data were collected for 20,749 sample persons.
All files are fixed length, blocked files.
I are available for 1971-75. Data from this study are only available on tape. Updated radiographic absorptiometry bone density data are avalable on diskette. I participants has been conducted. Title NTIS Order no.