TABLE 3.

Methodological Features by Disorder/Problem Area in Trials of Computer-Assisted Therapies for Psychiatric Disorders^a

	Depression		Anxiety		Nicotine Dependence		Alcohol/Drug Dependence		Other		Total
Feature	N	%	N	%	N	%	N	%	N	%	N	%
Web-based (yes)	12	71	22	73	12	80	5	71	3	50	54	72
Sample type (clinical)	6	35	24	80	0		2	29	5	83	37	49
Stand-alone (yes)	11	65	27	90	9	60	4	57	3	50	54	72
Clarity regarding recruitment (yes)	17	100	28	93	15	100	7	100	6	100	73	97
Clarity regarding handling of missing data and dropouts (yes)	15	88	22	73	14	93	6	86	3	50	60	80
For-profit sponsor (yes)	4	24	4	13	6	40	4	57	0		18	24
Declaration of conflict of interest (yes)	12	71	5	17	7	47	4	57	1	17	29	39
Clinician involvement (none)	9	53	6	20	12	80	6	86	2	33	35	47
Peer support (yes)	1	6	9	30	7	47	4	57	0		21	28
Patient satisfaction measured (yes)	2	12	18	60	6	40	4	57	3	50	33	44
Conclusions supported by data (yes)	15	88	25	83	14	93	6	86	5	83	65	87
Consolidated Standards of Reporting Trials diagram included (yes)	14	82	15	50	7	47	3	43	3	50	42	56
Defined length of treatment and reported treatment exposure (yes)	3	17	6	20	5	33	1	14	1	17	16	21
Effect size reported (yes)	10	59	17	57	9	60	4	57	3	50	43	57
Intervention type
Cognitive-behavioral therapy	15	88	27	90	4	27	4	57	4	67	54	72
Motivational	0		0		1	7	2	29	0		3	4
Stage-based	0		0		4	27	0		0		4	5
Problem-solving	1	7	0		1	7	0		0		2	3
Other	1	7	3	10	5	33	1	14	2	33	12	16

^aAnalyses showed significant differences (p<0.05) for the following study features: sample type, stand-alone, declaration of conflict of interest, clinician involvement, peer support, and patient satisfaction.