Figure WORK 7. Percentage of the Total Population Reporting a Disability, by Age: 1994
Source: Unpublished data from the 1994 National Health Interview Survey on Disability, Phase I; 1994 NHIS, and 1994 Family Resources Supplement.
Figure WORK 6. Percentage of Adults Who Used Cocaine or Marijuana or Abused Alcohol, by Age: 1999
Source: U.S. Department of Health and Human Services, Substance Abuse and Mental Health Services Administration, National Household Survey on Drug Abuse.