Table 3.

Program engagement^a of each intervention component by intervention components (n=1866)

			Exposure Schedule
			Single Exposure		Weekly Exposure
Factor	# sections opened	F (P value)	# sections opened	F (P value)	# sections opened	F (P value)
Source    High depth    Low depth	2.9 2.6	10.2 (P = .002)	3.2 2.9	7.5 (P < .007)	2.6 2.5	2.4 (P = .12)
Success story    High depth    Low depth	2.7 2.7	0.0 (P = .97)	3.1 3.0	0.1 (P = .79)	2.5 2.6	0.1 (P = .76)
Outcome expectations    High depth    Low depth	2.7 2.8	3.2 (P = .07)	2.9 3.2	3.7 (P = .06)	2.5 2.6	0.3 (P = .60)
Efficacy expectations    High depth    Low depth	2.9 2.6	10.2 (P = .001)	3.2 2.9	6.6 (P = .01)	2.7 2.4	3.6 (P = .06)
Exposure    Single    Multiple	3.0 2.5	41.8 (P < .001)

^aNumber of sections opened adjusted for baseline characteristics of Table 1.