Table 3.

Descriptive statistics for participants in field trials 1 and 2.

Participant characteristics		Field Trial 1 (n=21)	Field Trial 2 (n=38)
Age (years), mean (SD)		52.2 (7.6)	52.4 (8.5)
Race, n (%)
	Black or African American	16 (76.2)	33 (89.2)
	White	5 (23.8)	4 (10.8)
Number of households, mean (SD)		2.2 (1.5)	2.8 (1.9)
Household income, mean (SD)		20,480 (23,022)	19,088 (12,771)
Education level, n (%)
	High school	7 (33.3)	1 (2.7)
	College/university	14 (66.7)	22 (59.5)
Work status, n (%)
	Not working	17 (81.0)	14 (37.8)
	Working	4 (19.0)	23 (63.9)
Hours worked, n (%)
	1-10	1 (25.0)	13 (36.1)
	11-20	1 (25.0)	2 (15.4)
	21-30	1 (25.0)	11 (84.6)
	31-40	1 (25.0)	7 (53.8)
Shift work, n (%)
	First shift (6-8 am)	2 (50.0)	7 (53.8)
	Second shift (2-5 pm)	—a	3 (23.1)
	Varies	2 (50.0)	3 (23.1)
Weight (lbs), mean (SD)		257.0 (57.6)	250.9 (56.8)
Body mass index, mean (SD)		45.5 (8.4)	45.2 (10.7)
Low health literacy, n (%)
	No	11 (52.4)	12 (32.4)
	Yes	10 (47.6)	25 (67.6)

^aData not available.