Table 3.

N, Means, 95% Confidence Intervals, and within-group effect sizes (d) for study outcome measures by treatment condition and week.

	FCBT			PRT
Measure	N	M	(95%CI)	N	M	(95% CI)
CYBOCS
Week 0	49	24.7	[23.4–26.1]	22	25.3	[23.4–27.2]
Week 4	48	21.7	[20.2–23.2]	20	23.5	21.2–25.8]
Week 8	43	18.6	[16.5–20.7]	17	18.9	[15.2–22.6]
Week 14	40	13.3	[10.7–15.9]	17	17.2	[13.0–21.4]
		d = 2.37			d = 1.80
COIS-RC
Week 0	48	15.4	[12.8–18.8]	22	14.9	[9.2–20.6]
Week 4	48	10.9	[8.4–13.4]	20	11.6	[6.5–16.7]
Week 8	42	9.2	[6.3–12.1]	16	15.5	[9.1–21.9]
Week 14	39	5.6	[3.3–8.0]	16	14.3	[8.0–20.6]
		d = 0.81			d = 0.05
COIS-RP
Week 0	47	22.4	[19.0–25.8]	22	21.4	[13.8–29.0]
Week 4	48	21.2	[17.2–25.2]	21	20.5	[13.8–27.2]
Week 8	43	17.4	[13.0–21.8]	17	16.2	[10.4–22.0]
Week 14	39	10.6	[7.1–14.1]	17	11.2	[7.3–15.1]
		d = 1.01			d = 0.57
FAS-PR
Week 0	48	17.5	[14.5–20.5]	22	18.0	[13.7–22.3]
Week 14	39	9.3	[6.4–12.2]	17	15.2	[10.5–19.9]
		d = 0.78			d = 0.27

Note: COIS-R = Child Obsessive Compulsive Impact Scale-Revised Parent-Report; COIS-RC = Child Obsessive Compulsive Impact Scale-Revised Child-Report; CYBOCS = Children’s Yale-Brown Obsessive Compulsive Scale; FAS-PR = Family Accommodation Scale-Parent Report; FCBT = Individual Child plus Family Cognitive Behavior Therapy; PRT = Psychoeducation plus Relaxation Training.