Table 2.

Intervention effects on outcome variables estimated with mixed-effects models.

Effect		Group*time (95% CI)	t ratio	P value	Cohen d
Percentage of expected body weight		21.0 (5.81 to 36.13)	2.76	.007	0.42a
Group*time squared effect		−15.5 (−26.6 to −4.49)	−2.81	.007	0.42a
	Excessive exercise	0.82 (−3.97 to 5.62)	0.34	.73	0.09
	Weight Concerns Scale	2.02 (−8.03 to 12.08)	0.40	.69	0.08
	EDI-2b bulimia	2.32 (−1.95 to 6.61)	1.09	.28	0.29
	EDI-2 drive for thinness	1.86 (−1.05 to 4.77)	1.28	.21	0.27
	EDI-2 body dissatisfaction	2.77 (−0.36 to 5.89)	1.76	.08	0.34
	EDEc total score	0.04 (−0.41 to 0.5)	0.19	.85	0.04
	EDE dietary destraint	−0.04 (−0.63 to 0.55)	−0.13	.90	−0.03
	EDE eating concern	0.12 (−0.53 to 0.77)	0.38	.71	0.13
	EDE weight concern	0.03 (−0.72 to 0.77)	0.07	.94	0.02
	EDE shape concern	−0.03 (−0.73 to 0.67)	−0.09	.93	−0.02

^aEstimated Cohen d for percentage of expected body weight is the sum of the standardized effects for group by time plus group by time squared.

^bEDI-2: Eating Disorder Inventory.

^cEDE: Eating Disorder Examination.