Table 3 Sources of survey data. Survey data recorded at the ZIP code level are designed to give valid estimates of risk factor distributions at the State level.

Behavioral Risk Factors Surveillance Survey (BRFSS)

Centers for Disease Control

http://www.cdc.gov/brfss

ZIP code

National Health and Nutrition Examination Survey (NHANES), National Health Care Survey (NHCS), National Health Interview Survey (NHIS), National Immunization Survey (NIS), National Survey of Family Growth (NSFG).

National Center for Health Statistics

http://www.cdc.gov/nchs/datawh/ftpserv/ftpdata/ftpdata.htm

Metropolitan Statistical Area, National Region

California Tobacco Survey

California Department of Health Services

http://www.surveyresearchgroup.com/clients.asp?ID=10

ZIP code

California Women's Health Survey

California Department of Health Services

http://www.dhs.ca.gov/director/owh/survey.htm

http://www.surveyresearchgroup.com/clients.asp?ID=11

ZIP code

California Health Information Survey

UCLA Center for Health Policy Research

http://www.chis.ucla.edu/

ZIP code