Table 1.

Demographic Characteristics of Participants by Sex

Demographic Characteristics	Male (n = 2,793)	Female (n = 3,639)	Mean Difference (95% CI)
Age (yr), median (IQR)	38 (27–49)	36 (25–48)	1.2 (0.6 to 1.9)
Ethnicity/race
White, non-Hispanic	62.9	60.6	2.3 (−0.4 to 5)
White, Hispanic	9.6	12.5	−2.9 (−4.5 to −1.4)
Black/African American, non-Hispanic	17.3	17.3	0.0 (−0.1 to 0.1)
Black/African American, Hispanic	6.9	6.2	−0.7 (−0.9 to 0.1)
Other	3.1	3.5	−0.4 (−0.9 to 0.1)
Education completed
Some high school	27.9	23.8	4.1 (1.9 to 6.2)
High school	32.4	27.9	4.5 (2.3 to 6.8)
Some college	22.8	30.1	−7.3 (−9.4 to −5.1)
College graduate	16.9	18.2	−1.3 (−3.2 to 0.6)
Health insurance
Private	39.8	41.6	−1.3 (−3.7 to 1.1)
Governmental	27.5	38.9	−11.5 (−13.8 to −9.2)
None	32.6	19.4	13.1 (11 to 15.3)
Partner status
Married	28.3	27.6	0.7 (−1.5 to 2.9)
Divorced/widowed/separated	15.7	19.6	−4 (−5.9 to −2.1)
Never married	40.3	37.6	2.7 (0.3 to 5.1)
Unmarried couple	15.7	15.1	0.6 (−1.2 to 2.4)
Homeless
Currently homeless	7.3	4.2	3.1 (2 to 4.3)
Homeless in past 12 months	3.0	3.1	0.0 (−0.8 to 0.9)
Never/not homeless past 12 months	89.6	92.8	−3.1 (−5 to −1.2)
Employment status
Employed	51.0	47.1	3.7 (1.2 to 6.2)
Disabled	17.5	18.4	−0.9 (−2.8 to 1)
Student	6.2	9.9	−3.7 (−5.1 to −2.3)
Unemployed	25.2	24.5	0.1 (−2 to 2.2)
Usual source of medical care
Private clinic/practice	41.4	50.2	−8.8 (−11.2 to −6.1)
Hospital or community health clinics	20.8	30.3	−9.6 (−11.7 to −7.5)
Emergency department	34.9	17.1	17.8 (15.7 to 19.9)
Urgent care center	2.6	2.3	0.3 (−0.5 to 1)
Lives with a minor child in the home	58.4	68.4	−9.7 (−12 to −7.3)

Categorical data are presented as proportion (%). Mean difference: males – females.

IQR = interquartile range.