Table 1.

Mean and Standard Deviations for Mediator and MVPA Composites at Baseline and 6, 12 and 24 Months Postrandomization

			B	6	12	24
Self-efficacy	KAM	Mean	2.80	2.97	2.95	2.98
		SD	0.87	0.88	0.86	0.89
	UC	Mean	2.80	2.79**	2.88	2.80**
		SD	0.91	0.93	0.91	0.97
Barriers to Exercise	KAM	Mean	2.40	2.28	2.26	2.22
		SD	0.69	0.69	0.68	0.66
	UC	Mean	2.38	2.33	2.28	2.29
		SD	0.68	0.72	0.70	0.74
Self-concept	KAM	Mean	3.84	3.98	4.01	4.00
		SD	0.78	0.76	0.73	0.79
	UC	Mean	3.86	3.81**	3.87**	3.81***
		SD	0.84	0.84	0.86	0.91
Exercise Enjoyment	KAM	Mean	4.08	4.11	4.16	4.19
		SD	0.81	0.77	0.73	0.75
	UC	Mean	4.12	4.03	4.07	4.04**
		SD	0.83	0.83	0.82	0.90
Social Support, Family	KAM	Mean	2.82	2.91	2.91	2.94
		SD	0.71	0.77	0.78	0.77
	UC	Mean	2.73*	2.75***	2.78**	2.77***
		SD	0.73	0.77	0.75	0.80
Social Support, Friends	KAM	Mean	2.65	2.72	2.70	2.76
		SD	0.70	0.73	0.73	0.75
	UC	Mean	2.60	2.61*	2.67	2.64**
		SD	0.70	0.72	0.73	0.72
MVPA	KAM	Mean	1946	2054	2183	2280
		SD	1548	1766	1856	2093
	UC	Mean	2157*	1838	1934**	1903**
		SD	1848	2117	1615	1699

KAM vs UC comparison:

^*P<.05,

^**P<.01,

^***P<.001