Promoting knowledge of statins in patients with low health literacy using an audio booklet

Figures & data

Figure 1 Sample pages from the audio booklet.

Note: Photograph © iStockphoto.com.

Table 1 Characteristics of the sample, stratified for African American and Hispanic patients

	African American patients			Hispanic patients
	Audio booklet (n = 31)	Standard of care (n = 29)	P value	Audio booklet (n = 28)	Standard of care (n = 28)	P value
Age (mean [SD])	57.6 (6.5)	55.6 (8.3)	0.30	57.3 (8.4)	55.3 (7.9)	0.37
Female gender (n [%])	20 (64.5)	20 (69.0)	0.71	19 (67.9)	20 (71.4)	0.77
Education <12 years (n [%])	7 (22.6)	8 (27.6)	0.65	23 (82.1)	23 (82.1)	1.00
Born in US (n [%])	26 (83.9)	24 (82.8)	1.0	7 (25.0)	3 (10.7)	0.16
Marital status (n [%])
Divorced/Separated	11 (35.5)	5 (17.2)	0.02	4 (14.3)	3 (10.7)	0.41
Married/Living with partner	3 (9.7)	10 (34.5)		20 (71.4)	16 (57.1)
Single	11 (35.5)	13 (44.8)		3 (10.7)	5 (17.9)
Widowed	6 (19.4)	1 (3.5)		1 (3.6)	4 (14.3)
Functional health literacy (n [%])*
Inadequate	6 (19.4)	5 (17.2)	1.0	14 (50.0)	11 (39.3)	0.37
Marginal	20 (64.5)	20 (69.0)		11 (39.3)	10 (35.7)
Adequate	5 (16.1)	4 (13.8)		3 (10.7)	7 (25.0)
Spanish language administration (n [%])	N/A	N/A		23 (82.1)	24 (85.7)	1.0

* Notes: Measured by the Short Test of Functional Health Literacy in Adults; P values are from t-tests (for age) or χ² tests or Fisher’s Exact tests for categorical variables.

Table 2 Statin knowledge scores at pretest and post-test

	n	Pretest score (mean [SD])	Post-test score (mean [SD])	Difference	P value
African American patients
Audio booklet	31	8.39 [2.94]	10.87 [3.40]	2.48 [2.45]	<0.01
Standard of care	29	7.97 [2.67]	8.24 [2.61]	0.28 [2.19]
Hispanic patients
Audio booklet	28	4.82 [3.87]	6.21 [3.57]	1.39 [2.78]	0.03
Standard of care	28	7.21 [3.52]	7.00 [4.00]	−0.21 [2.64]

Notes: Means are from sum of correct responses to 15-item knowledge measure. P values from t-test on difference scores.