Table 1.

Study population demographics.

		Sample, n	Weighted count	Percentage, %
Birth gender
	Male	1771	98790072.75	48.13
	Female	2910	106475217.3	51.87
Marital status
	Not married	2159	90332590.72	44.04
	Married or cohabitating	2518	114794809.3	55.96
Age group (years)
	18-34	919	64862315.77	29.62
	35-49	1168	60382516.95	27.57
	50-64	1469	58018272.31	26.49
	65-74	966	23416142.89	10.69
	75+	464	12300699.69	5.62
Education
	Less than high school	249	12492492.71	6.12
	High school graduate	755	41366798.43	20.28
	Some college	1366	79521119.41	38.98
	Bachelor’s degree	1372	40856012.93	20.03
	Postbaccalaureate degree	944	29746253.58	14.58
Race\ethnicity
	Non-Hispanic White	2553	119961238.7	59.77
	Non-Hispanic Black	720	22673290.6	11.30
	Hispanic	835	35015805.29	17.45
	Non-Hispanic Asian	246	11931031.66	5.94
	Non-Hispanic other	164	11122270.69	5.54
Household income
	<$20,000	688	26819275.74	13.63
	$20,000 to < $35,000	569	21398873.45	10.87
	$35,000 to < $50,000	577	22396522.45	11.38
	$50,000 to < $75,000	776	35433041.84	18.01
	$75,000 or more	1873	90747802.43	46.11
Location
	Metropolitan: large metro	1962	70436347.45	31.88
	Metropolitan: large fringe metro	1108	54876171.34	24.84
	Metropolitan: medium metro	995	47496064.98	21.50
	Metropolitan: small metro	352	21765167.73	9.85
	Non-Metropolitan: Micropolitan	369	15577808.38	7.05
	Non-Metropolitan: Noncore	255	10792811.39	4.88