“…The NCS and NCS-R asked identical questions to assess age (18)(19)(20)(21)(22)(23)(24)(25)(26)(27)(28)(29)(30)(31)(32)(33)(34)(34)(35)(36)(37)(38)(39)(40)(41)(42)(43)(44)(45)(46)(47)(48)(49)(50)(51)(52)(53)(54), sex, race-ethnicity (Non-Hispanic White, Non-Hispanic Black, Hispanic, other), marital status (married or cohabiting, previously married, never married), education (0-11, 12, 13-15, 16+), household income, and urbanicity. Income was defined as a multiple of the federal poverty line acounting for the composition of the respondent's family, with low income defined as an income: poverty ratio less than 1.5:1, low-average a ratio in the range 1.5:1 to less than 3:1, high-average a ratio in the range 3:1 to less than 6:1, and high a ratio of 6:1 or greater.…”