Table 3.

Treatment outcomes for all participants.

Variable		Pretreatment		Posttreatment			Follow-up at 6 months			Overall effecta
		Mean	SD	MDb	SD	P	MDb	SD	P	F	df	P	Effect sizec
Eating disorder psycho-pathologyd		3.4	1.0	1.4	1.2	<.001	1.2	1.4	<.001	54.6	68	<.001	1.14
	Restraint	2.5	1.6	0.9	1.8	<.001	0.7	1.5	.001	11.7	70	<.001	0.47
	Eating concern	3.0	1.3	1.6	1.4	<.001	1.2	1.5	<.001	55.6	70	<.001	0.95
	Shape concern	4.3	1.3	1.6	1.5	<.001	1.5	1.8	<.001	39.6	67	<.001	1.17
	Weight concern	4.0	1.2	1.4	1.5	<.001	1.3	1.6	<.001	41.6	68	<.001	1.11
Body dissatisfaction e		60.5	16.7	15.3	13.6	<.001	14.5	17.1	<.001	40.8	67	<.001	0.86
BMI f
	< 18.5	16.9	1.3	-0.6	0.9	.29	-0.3	0.6	1.00	3.8	9	.05	0.02
	18.5-25	21.1	1.7	0.1	1.1	.99	0.7	1.8	.34	1.6	18	.22	0.39
	25-30	27.8	1.5	0.4	1.0	.66	0.7	1.9	.67	0.9	14	.48	0.46
	> 30	36.4	7.2	1.1	1.9	.01	1.5	2.1	.01	4.7	26	.01	0.20
Quality of life g		59.4	16.6	-9.6	17.8	<.001	-6.8	20.5	.08	13.3	71	<.001	0.32
Mental health h		38.5	19.8	12.8	16.1	<.001	11.0	17.9	<.001	21.8	70	<.001	0.56
Physical health i		2.1	0.5	0.3	0.3	<.001	0.2	0.3	<.001	36.8	67	<.001	0.39

^aTreatment outcomes were measured with Repeated Measures and Mixed Model analysis.

^bMD = Mean Difference; positive MD scores indicate a decrease in baseline scores and negative MD scores indicate an increase in baseline scores.

^cEffect sizes were measured with Cohen’s d using MD at 6-months follow-up and baseline SD.

^dEating Disorder Examination – Questionnaire (EDE-Q).

^eBody Attitude Test (BAT).

^fBMI indexes below 18.5 indicate underweight, 18.5 to 25 healthy weight, 25 to 30 overweight, and over 30 obesity.

^gEuroQol-5D visual analogue scale (EQ-5D VAS).

^h21-item Depression Anxiety Stress Scale (DASS-21).

ⁱTotal score consisting of Maudsley Addiction Profile Health Symptom Scale (MAP-HSS) and 15 additional eating disorder-specific physical complaints.