Table 1. Between-category differences in demographic and baseline psychological variables.

	Lost Weight Pre-treatment (n = 47)	Weight Stable Pre-treatment (n = 152)	Gained Weight Pre-treatment (n = 84)	p value	Tukey post-hoc tests
Weight change, screening visit to first treatment session (average lbs, SD; range)	-4.6 (2.1); -13.4 to -2.4	0.2 (1.3); -2.8 to 3.2	5.2 (2.5); 2.2 to 14.8	< .001
Weight change, first treatment session to six months (average lbs, 95% CI)	-19.1; (-23.2 to -15.1)	-20.5; (-22.8 to -18.2)	-21.7; (-24.8 to -18.5)	.77
Days between screening visit and week one of treatment (mean number of days, SD)	45.2 (13.9)	41.5 (14.2)	41.4 (11.5)	.22
Number of sessions attended (out of 20)	18.5 (3.9)	18.2 (4.1)	18.3 (4.4)	.93
Percent attrition at month six	2.1	14.5	15.5	.06
Demographic Variables
Age (years); M (SD)	53.4 (10.9)	53.8 (9.4)	52.0 (9.4)	.41
Baseline BMI; M (SD)	34.1 (4.1)	35.2 (5.1)	35.5 (5.1)	.34
% Men	19.1	17.3	29.3	.10
% Caucasian	57.4	65.3	72.0	.24
Baseline Psychosocial Variables
Power of Food Scale (hedonic hunger)	37.6 (12.8)	42.0 (13.2)	44.6 (12.5)	.02	Lost < Gain *
Three-Factor Eating Questionnaire
Uncontrolled Eating	18.1 (4.9)	20.3 (5.2)	20.9 (4.0)	.006	Lost < Stable* Lost < Gain**
Emotional Eating	7.2 (2.7)	7.8 (2.4)	8.4 (2.2)	.02	Lost < Gain*
Cognitive Restraint	14.3 (2.6)	14.0 (3.1)	14.1 (2.8)	.85
Weight Efficacy Lifestyle Questionnaire (self-efficacy for regulating eating)	113.1 (31.8)	99.4 (31.8)	96.5 (30.8)	.01	Lost > Gain* Lost > Stable *

^**p < .01;

^*p < .05