Table 3.

Intervention adherence measures

		Black men	Black women	White men	White women	P valuea
Attendance at phase I groups, number of groups		17.5 (0.2)	17.6 (0.1)	17.8 (0.1)	17.9 (0.1)	0.09
Food and PA records during phase I, number of weeks records kept		14.0 (0.4)	13.8 (0.3)	15.7 (0.3)	15.3 (0.2)	≤0.0001
Physical activity, MVPA min/week	Phase I entry	147.1 (10.1)	85.5 (6.8)	161.7 (7.0)	100.3 (5.7)	≤0.0001
	Change during phase I	37.9 (13.1)	60.1 (8.9)	53.9 (9.1)	34.1 (7.4)	0.10
	Change during phase II	−29.6 (14.5)	−40.1 (9.7)	−47.9 (10.0)	−32.6 (8.1)	0.59
Dietary pattern
Fruits and vegetables,  servings/day	Phase I entry	4.6 (0.3)	5.1 (0.2)	5.2 (0.2)	5.7 (0.1)	0.001
	Change during phase I	3.3 (0.4)	3.1 (0.2)	3.8 (0.3)	4.2 (0.2)	0.01
	Change during phase II	−1.5 (0.4)	−1.8 (0.2)	−1.9 (0.2)	−2.6 (0.2)	0.02
Dairy, servings/day	Phase I entry	0.77 (0.1)	0.69 (0.1)	1.4 (0.1)	1.4 (0.1)	≤0.0001
	Change during phase I	0.3 (0.1)	0.4 (0.1)	0.4 (0.1)	0.5 (0.1)	0.38
	Change during phase II	−0.1 (0.1)	−0.2 (0.1)	−0.2 (0.1)	−0.3 (0.1)	0.06
%kcal fat	Phase I entry	38.8 (0.7)	38.4 (0.4)	39.3 (0.5)	38.5 (0.4)	0.39
	Change during phase I	−6.6 (0.7)	−7.3 (0.5)	−9.3 (0.5)	−9.4 (0.4)	0.001
	Change during phase II	3.0 (0.7)	2.8 (0.5)	4.3 (0.5)	4.4 (0.4)	0.03
Healthy Eating Index	Phase I entry	59.8 (1.1)	60.4 (0.7)	61.9 (0.8)	64.9 (0.6)	≤0.0001
	Change during phase I	13.1 (1.1)	12.4 (0.8)	15.8 (0.8)	14.1 (0.6)	0.01
	Change during phase II	−6.0 (1.0)	−5.8 (0.7)	−5.8 (0.7)	−6.4 (0.6)	0.77
Frequency of weighing, times/week	Based on retrospective questionnaire	2.7 (0.1)	3.0 (0.1)	2.4 (0.1)	2.6 (0.1)	≤0.0001

Mean (s.e.m.).

MVPA, moderate-to-vigorous physical activity; PA, physical activity.

^aThree degree-of-freedom P value for comparing race–sex groups based on linear regression after adjusting for site.