Table 3.

Effectiveness of ICBT: Observed Data

Variable	Mean ± SD	Mean ± SD	Mean ± SD	F	df	p
	Baselinea	Posttreatmentb	Follow-upc
ITT Sample
Y-BOCS	25.8 ± 4.6	18.6 ±7.9	16.3 ± 8.2d	28.12	2, 49	< .001
HAM-D	9.1 ±6.3	6.97 ± 6.3	4.2 ± 4.3	5.87	2, 48	.005
Q-LES-Q-SF	55.1 ± 15.8	61.5 ± 19.9	73.3 ± 16.4	12.34	2, 48	< .001
OCI-Re	30.8 ± 12.5	18.8 ± 13.2
QIDS-SRe	12.0 ± 5.4	8.7 ±8.1

Note. ITT = intent to treat (YBOCS, HAM-D, and Q-LES-Q-SF using longitudinal mixed-effects models); Y-BOCS = Yale–Brown Obsessive Compulsive Scale; HAM-D = Hamilton Depression Rating Scale; Q-LES-Q-SF = Quality of Life Enjoyment and Satisfaction Questionnaire—Short Form; OCI-R = Obsessive Compulsive Inventory—Revised; QIDS-SR = Quick Inventory of Depressive Symptoms—Self-Report.

^aNumber of subjects (N = 40).

^bNumber of subjects (N = 30).

^cNumber of subjects (N =.20).

^dNumber of subjects (N = 21).

^eNumber of subjects (N =.37).