Propensity scores included the following covariates: sex; age; race/ethnicity (non-Hispanic White, non-Hispanic black, Asian, Hispanic); non-native English speaker (ESL); Medicare enrollment; Medicaid enrollment; diagnosis of diabetes or bipolar disorder; area-level variables (percent foreign-born, percent living below federal poverty level (FPL), percent with female head of household (HH), percent less than high school (<HS) graduate).