Table 5.

Adequate Gist and Verbatim Understanding by Socio-Demographics (%)

	Adequate Gist Understanding‡	OR (95% CI)	Adequate Verbatim Understanding§	OR (95% CI)
Age (yrs)
25-34 (R)	64.3		53.1
35-44	63.6	0.97 (0.84, 1.12)	54.5	1.06 (0.92, 1.21)
45-55	61.6	0.89 (0.76, 1.05)	54.3	1.05 (0.88, 1.22)
Gender:
Male (R)	62.8		58.8
Female	63.4	1.01 (0.97, 1.06)	50.5*	0.86 (0.81, 0.90)
Race/ethnicity:
Caucasian (R)	67.3		60.1
African American	52.4*	0.54 (0.45, 0.64)	34.2*	0.35 (0.29, 0.42)
Hispanic	56.5*	0.63 (0.53, 0.76)	41.0*‡	0.46 (0.39, 0.55)
Education:
≤ High school (R)	54.7		40.7
Some college	62.7*	1.39 (1.18, 1.64)	51.6*	1.49 (1.26, 1.77)
≥Bachelor's Degree	68.1*†	1.77 (1.49, 2.09)	63.4*†	2.42 (2.05, 2.86)
Prior Research subject
Yes (R)	65.9		58.0
No	63.0	0.96 (0.89, 1.03)	53.6	0.92 (0.85, 1.01)
English Language
Yes (R)	63.6		54.1
No	56.5*	0.89 (0.79, 0.99)	49.0	0.90 (0.79, 1.03)

(R) = Reference group. OR = Odds Ratio, CI = Confidence Interval

^*P< 0.05 vs Reference group, ‡P< 0.01 vs African American

^†P< 0.01 vs some college/trade school

^‡Adequate gist knowledge = ≥ 3 correct answers out of 4

^§Adequate verbatim knowledge = ≥ 5 correct answers out of 7