National health and nutrition examination survey II, 1976-1980

This file contains data from the NHANES II household interviews and gathers demographic information and audiometric test data on hearing thresholds of persons ages 4-19 years. Data include type of housing, income, vehicles, race, ancestry, and region of the country. The audiometric data were obtained on the following 4 frequencies: 500, 1000, 2000, and 4000 Hertz (Hz).