Table 1.

Behavioral Risk Factor Surveillance System (BRFSS) Coding variables for age, race/ethnicity, gender and marital status.

BRFSS Variable Name	Question	Code
AGE_G	Six-level imputed age category	1—18 to 24 2—25 to 34 3—35 to 44 4—45 to 54 5–55 to 64 6—65+
IMPRACE	Imputed race/ethnicity value	1—White 2—Black 3—Asian 4—American Indian/Alaskan 5—Hispanic 6—Other non-Hispanic
SEX1	What is your sex? or What was your sex at birth? Was it…	0—Female 1—Male
MARITAL	Are you (marital status)?	1—Married 2—Divorced 3—Widowed 4—Separated 5—Never married 6—A member of an unmarried coupled