Table 1.

Unadjusted comparisons of demographic characteristics of participants as a function of their health literacy, race, and age

Characteristic	Total M ± SD, (n)	Inadequate health literacy M ± SD (n)	Adequate health literacy M ± SD, (n)	p	African American M ± SD, (n)	Whites M ± SD, (n)	p	Younger than 65 years M ± SD, (n)	Older than 65 years M ± SD, (n)	p
Age (years)	57.12 ± 9.75 (502)	58.37 ± 8.17 (276)	55.60 ± 11.22 (226)	.002*	56.23 ± 8.55 (278)	59.04 ± 11.21 (172)	.005*	54.04 ± 8.16 (402)	69.50 ± 4.25 (100)	<.001*
Household income	42,703 ± 21,519 (480)	40,703 ± 21,449 (267)	45,211 ± 21,394 (213)	.003*	37,421 ± 20,955 (268)	51,013 ± 20,233 (164)	<.001*	41,905 ± 22,426 (382)	45,814 ± 17,294 (98)	.11
Education(years)	12.94 ± 2.11 (493)	12.51 ± 1.76 (271)	13.47 ± 2.37 (222)	<.001*	12.68 ± 1.80 (272)	13.25 ± 2.40 (170)	.009*	12.89 ± 1.97 (396)	13.14 ± 2.61 (97)	.29
Body mass index	29.04 ± 5.90 (502)	29.54 ± 6.31 (276)	28.45 ± 5.31 (226)	.04*	29.90 ± 6.17 (278)	28.35 ± 5.36 (172)	.007*	29.19 ± 5.97 (402)	28.49 ± 5.61 (100)	.29
Medications (n)	5.90 ± 4.22 (502)	6.41 ± 4.44 (276)	5.28 ± 3.85 (226)	.003*	6.23 ± 4.32 (278)	5.40 ± 4.10 (172)	.04*	5.78 ± 4.19 (402)	6.39 ± 4.31 (100)	.19
Perceived health	3.22 ± 0.95 (502)	3.33 ± .97 (276)	3.09 ± .91 (226)	.005*	3.31 ± .86 (278)	3.08 ± 1.02 (172)	.01*	3.23 ± .94 (402)	3.18 ± .99 (100)	.63
Charlson Comorbidity Index	3.43 ± 3.06 (488)	3.69 ± 3.08 (268)	3.13 ± 3.01 (220)	.04*	3.43 ± 3.17 (268)	3.70 ± 3.01 (168)	.37	3.09 ± 3.02 (388)	4.77 ± 2.83 (100)	<.001*
Mental health (n)	2.74 ± 2.20 (502)	2.93 ± 2.25 (276)	2.51 ± 2.11 (226)	.03*	2.80 ± 2.10 (278)	2.45 ± 2.20 (172)	.09	2.93 ± 2.17 (402)	1.99 ± 2.14 (100)	<.001*
Trust in physicians	63.32 ± 14.56 (502)	62.78 ± 5.45 (276)	63.99 ± 13.4 (226)	.35	63.91 ± 13.71 (278)	64.17 ± 14.12 (172)	.84	62.56 ± 14.37 (402)	66.40 ± 14.99 (100)	.01*

Note. Not all totals add up to 502 because of missing data.

^*p < .05.