Predictors of Psychological Well-Being during Behavioral Obesity Treatment in Women

Table 2

Multiple regression for psychological well-being z-score at intervention’s end.

	B	SE B	𝛽	Adj R^2	P
Model 1
Self-determination	0.04	0.010	.25^∗∗∗
Perceived need support	0.01	0.003	.16^∗
Treatment controlled self-regulation	−0.02	0.005	−.22^∗∗
Exercise autonomous self-regulation	0.01	0.006	.18^∗	0.24	<.001
Model 2
Group	0.11	0.048	.16^∗
Self-determination	0.04	0.010	.28^∗∗∗
Perceived need support	0.01	0.003	.17^∗
Treatment controlled self-regulation	−0.02	0.005	−.22^∗∗	0.24	<.001
Model 3
Weight change	−0.14	0.043	−.22^∗∗
Self-determination	0.04	0.010	.28^∗∗∗
Perceived need support	0.01	0.003	.22^∗∗
Treatment controlled self-regulation	−0.02	0.005	−.20^∗∗	0.28	<.001

z-score was computed as mean value of all HRQOL and psychological well-being z-scores; group was coded as 1 to the intervention group, −1 to the control group; note that a negative weight change represents weight loss (a positive outcome); ^∗𝑃<.05; ^∗∗𝑃<.01; ^∗∗∗𝑃<.001.