Table 1.

Behavioral Risk Factor Surveillance System Cohort Demographic Information

Characteristic	Persons Aged 19–25 y		Persons Aged 26–34 y
	2009	2012	2009	2012
Total participants, weighted, No.	24 483 817	29 532 874	38 307 824	36 183 642
Age, mean (SD), y	21.9	21.9	30.4	30.1
Sex, %
Male	52.1	51.6	49.4	49.8
Female	47.9	48.4	50.6	50.2
Race/ethnicity, %
Non-Hispanic white	58.2	57.2	62.1	57.2
Non-Hispanic black	11.7	14.0	11.3	13.6
Asian	5.0	6.1	4.5	5.2
Non-Hispanic other	3.4	2.9	2.8	2.6
Hispanic	21.6	19.8	19.3	21.4
Current employment status, %
Employed	50.8	52.6	71.0	71.7
Not employed	16.3	12.5	10.5	10.3
Other (eg, student, retired)	32.9	34.9	18.5	17.9
Annual household income of <$15 000, %a	17.7	22.1	10.0	13.8
Educational level, %
High school or less	43.5	42.4	34.3	40.0
Some college	39.0	42.8	26.0	29.9
Graduated from college	17.4	14.7	39.7	30.0
Insurance type, %
None	32.7	25.3	25.8	27.4
Medicaid only	8.7	9.5	7.9	7.4
Private only	49.5	53.0	56.6	54.2
Other	9.1	12.2	9.7	11.0

^aApproximately 133% of federal poverty level.