Behavioral and Psychological Factors Associated with 12-Month Weight Change in a Physical Activity Trial

Table 1

Change scores by 12-month weight status.

Variable	Gain			Lose			Weight stable
	𝑁	Mean	Std error	𝑁	Mean	Std error	𝑁	Mean	Std error
Depressed mood*	34	4.47	1.58	58	1.30	0.95	152	0.47	0.66
PA behavior*	34	92.79	46.96	59	170.02	37.27	154	95.90	11.21
Perceived stress	33	1.00	1.21	58	0.88	0.91	152	−0.56	0.58
Beh. proc of change	34	0.21	0.12	59	0.28	0.09	151	0.17	0.05
Cog proc of change*	34	−0.04	0.10	59	−0.16	0.08	151	−0.12	0.05
TV viewing	33	−2.15	2.56	58	−2.26	2.47	151	0.42	1.28
Self-efficacy*	34	0.34	0.16	59	0.32	0.14	151	−0.02	0.07
Decisional balance-pros	34	−0.30	0.12	59	−0.11	0.10	151	−0.21	0.06
Decisional balance-cons	34	−0.03	0.13	59	−0.16	0.09	151	0.07	0.06
Social support-PA, friends	33	1.88	1.85	56	1.25	0.96	149	0.30	0.58
Social support-PA, family	34	2.79	1.92	57	2.28	1.10	148	1.59	0.56
Fruit consumption	33	−0.55	0.70	58	0.58	0.36	153	0.06	0.29
Fat consumption*	32	−1.80	0.71	55	−0.32	0.66	149	−1.03	0.32

Note. ∗Indicates variables identified in stepwise discriminant analysis.