^a Mental health treatment or counseling is defined as having received inpatient or outpatient care or using prescription medication for problems with emotions, nerves, or mental health. Respondents were not to include treatment for drug or alcohol use. Respondents with missing treatment or counseling information are excluded.

^b Estimates are based on a revised definition of Poverty Level that incorporates information on family income, size, and composition and is calculated as a percentage of the U.S. Census Bureau's poverty thresholds. Negative/poor refers to household incomes below the Federal poverty line; near poor/low, over the poverty line to just below 200 percent of the poverty line; middle, 200 percent to just below 400 percent of the poverty line; and high, 400 percent of the poverty line and over. These estimates are not comparable with similar estimates published in NSDUH reports prior to 2006. Respondents with unknown poverty information were excluded. See Appendix C of the Results from the 2006 National Survey on Drug Use and Health: National Findings for details on the variable.

* - Data do not meet the criteria for statistical reliability, data quality, or confidentiality.

Key: AI/AN: American Indian or Alaska Native; NHOPI: Native Hawaiian or Other Pacific Islander; MSA: metropolitan statistical area; SE: standard error.

Source: Substance Abuse and Mental Health Services Administration, Office of Applied Studies, National Survey on Drug Use and Health.