Table 1.

Comparisons of Caregivers and Noncaregivers Before and After Propensity-Score Matching

Covariate/Matching Factor	Caregivers (N = 3,580)	All Non-Caregivers (N=25,471)	p	Propensity-Matched Non-Caregivers (N = 3,580)	p
Age (M ± SD)	63.62 ± 8.97	65.55 ± 9.44	<.0001	63.57 ± 9.05	.8359
Gender (% female)	63.02	54.36	<.0001	61.34	.1437
Race (% African American)	43.32	40.47	.0017	43.72	.7386
Region:			<.0001		.6704
(% Stroke Belt)	37.91	34.30		38.52
(% Stroke Buckle)	21.68	20.93		22.09
(% Rest of US)	40.42	44.78		39.39
Education:			.0005		.8311
(% less than high school)	10.78	12.38		10.34
(% high school graduate)	24.30	26.11		24.16
(% some college)	28.77	26.57		28.41
(% college graduate)	36.15	34.93		37.09
Income:			.0373		.4884
(% less than $20,000)	16.62	17.88		15.11
(% $20,00 to $34,000)	25.22	23.96		25.39
(% 35,000 to $74,000)	31.28	29.73		32.37
(% $75,000 or more)	15.14	16.16		15.06
(% refused to specify)	11.73	12.27		12.07
Marital Status:			<.0001		.6492
(% married)	66.82	58.07		66.82
(% divorced)	12.93	14.70		12.09
(% single, never married)	5.50	5.25		5.78
(% widowed)	12.40	19.64		11.68
(% separated/refused)	2.35	2.34		2.35
Medical Insurance (% yes)	91.06	93.79	<.0001	91.62	.4007
Smoking:			<.0001		.8211
(% current)	15.84	14.05		15.11
(% former)	35.84	40.63		36.31
(% never)	48.04	44.91		48.24
Current Alcohol Use:			.0249		.5168
(% heavy)	3.41	4.05		3.91
(% moderate)	31.34	33.11		32.18
(% none)	63.38	60.93		61.96
6-item Cognitive Screener			<.0001		.7025
(% 0 to 4 correct)	6.79	9.47		6.25
(% 5 correct)	21.28	21.71		22.01
(% 6 correct)	71.93	68.82		71.65
Self-Rated Health:			.2937		.6551
(% excellent)	15.20	16.24		15.17
(% very good)	30.22	30.76		31.45
(% good)	36.01	34.84		34.72
(% fair)	15.36	14.73		15.75
(% poor)	3.21	3.43		2.91
Hypertension (% yes)	57.40	58.04	.4674	57.21	.8672
Diabetes (% yes)	21.40	22.49	.1407	21.54	.8856
Cardiovascular Disease (% yes)	18.69	23.16	<.0001	19.72	.2670