Table 1.

Pre and post weight, BMI, and TEG category scores (Wilcoxon signed rank test).

	Pre		Post
	Mean	SD	Mean	SD	Z	p value
Weight	83.89	21.00	77.74	18.07	7.72	< 0.01
BMI	33.80	6.85	31.45	6.12	7.65	< 0.01
Critical Parent score	9.78	4.01	10.39	4.08	1.69	0.09
Nurturing Parent score	14.60	4.17	14.46	4.31	0.44	0.66
Adult score	10.09	4.49	10.77	4.78	1.95	0.05
Free Child score	12.00	4.47	12.59	4.64	2.46	0.01
Adapted Child score	9.52	4.62	9.37	4.52	0.25	0.80

The Wilcoxon signed rank test was used for comparisons of weight and psychological factors before and after intervention.

The TEG scores from the first session (pre-TEG) were compared to those taken on completion (post-TEG) of the program in order to identify changes in these patients' psychological characteristics before and after intervention.