. 2020 Sep 25;22(9):e17831. doi: 10.2196/17831

Table 2.

Effect sizes regarding depressive symptoms in the subgroup analyses of studies comparing computerized cognitive behavior therapy in adolescents and young adults with active treatment and passive controls at posttreatment.

Variable		N_com^a	N_par^b	Effect size		Heterogeneity		P	NNT^c
Variable		N_com^a	N_par^b	g	95% CI	I ²	95% CI	P	NNT^c
Diagnostic focus^d								.63
	Anxiety	8	464	0.32^e	0.04 to 0.60	50.78	0 to 78		5.56
	Depression	9	1152	0.44^f	0.21 to 0.67	75.44	53 to 87		4.1
	Both	4	182	0.55^e	0.13 to 0.96	0	0 to 85		3.31
Age group^d								.29
	Adolescents	12	1027	0.34^g	0.14 to 0.54	61.51	28 to 79		5.26
	Young adults	9	771	0.50^f	0.28 to 0.73	39.7	0 to 72		3.62
Guidance^d								.56
	Guided	10	771	0.46^f	0.23 to 0.70	56.96	13 to 79		3.91
	Self-guided	11	1027	0.37^g	0.16 to 0.58	58.97	20 to 79		4.85
Adherence^d								.77
	Low	6	779	0.39^e	0.09 to 0.69	77.56	50 to 90		4.59
	High	10	737	0.48^f	0.23 to 0.72	62.06	25 to 81		3.76
Recruitment type^d								.53
	Clinical	4	376	0.24	−0.11 to 0.59	0	0 to 85		7.46
	Community	5	462	0.50^g	0.18 to 0.82	78.12	47 to 91		3.62
	University/school	12	960	0.44^f	0.23 to 0.65	50.27	3 to 74		4.1
Number of modules^d								.21
	<5	3	138	0.65^g	0.20 to 1.11	0	0 to 90		2.82
	5-9	12	1097	0.49^f	0.29 to 0.69	69.11	44 to 83		3.68
	10-14	3	377	0.14	−0.23 to 0.52	0	0 to 90		12.82

^aN_com: number of comparisons.

^bN_par: number of participants.

^cNNT: number needed to treat.

^dOutliers Sethi (2010) and Sethi (2013) excluded.

^eP<.05.

^fP<.001.

^gP<.01.