* p-values are Pearson chi-squared.
† HARS data includes living cases as of January 1, 2007 and at least 18 years old on January 1, 2008.
§ California HARS data includes all California cases outside of San Francisco and Los Angeles counties.
‡ Residents of the following other California counties were interviewed: Alameda, Butte, Fresno, Humboldt, Imperial, Kern, Lake, Marin, Nevada, Napa, Orange, Riverside,
Sacramento, San Bernardino, Santa Clara, Santa Cruz, San Diego, San Mateo, San Joaquin, Santa Barbara, Ventura.