Table 3.

Demographics by Communication Message Format

	Text (n = 1548)	Tables (n = 1591)	Pictographs (n = 1546)	All (n = 4685)
Age (yrs, mean ± SD)	39.1 ± 7.9	39.3 ± 7.8	39.0 ±	39.2 ± 7.9
Gender (F/M)%	58.0/42.0	57.7/42.3	56.7/43.3	57.5/42.5
Race/ethnicity (%):
Caucasian	68.4	67.6	68.0	68.0
African American	12.8	11.4	11.8	12.0
Hispanic	11.8	13.2	13.1	12.7
Asian	4.0	3.7	4.6	4.1
Other	3.1	4.1	2.5	3.2
Level of Education (%):
≤ High school graduate	18.6	19.3	19.1	18.9
Some college/trade school	33.9	32.0	31.6	32.5
Associate/Bachelor’s Degree	36.9	37.7	38.6	37.8
Graduate Degree	10.5	10.9	10.7	10.7
Income Level (%):
< $10,000	2.2	2.4	1.5	2.1
$10,000–49,999	36.0	35.6	34.1	35.2
$50,000–89,999	40.1	38.3	44.9	40.1
≥ $90,000	21.7	23.8	22.5	22.7
Numeracy: Median/range	36/40*	36/39*	36/35	36/40
High/Low	50.6/49.4*	50.7/49.3*	55.5/44.5	52.3/47.7

^*P = 0.01 vs Pictograph

Low numeracy = 0–35, High numeracy = 36–48 on the Subjective Numeracy Scale (Fagerlin et al., 2007; Zikmund-Fisher et al., 2007)