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

Table 7.

Effect sizes regarding depressive and anxiety symptoms in the meta-analysis of studies comparing computerized cognitive behavior therapy in adolescents and young adults with active treatment and passive controls at short-term follow-up (1-5 months) and long-term follow-up (6-12 months).

Variable			N_com^a	N_par^b	Effect size		Heterogeneity		Grade^c	NNT^d
Variable			N_com^a	N_par^b	g	95% CI	I ²	95% CI	Grade^c	NNT^d
Depressive symptoms
	Short-term follow-up
		Active treatment controls	2	288	0.12	−0.11 to 0.35	0	N/A^e	+++	14.71
		Passive controls	2	211	0.19	−0.08 to 0.46	0	N/A^e	++	9.43
	Long-term follow-up^f
		Passive controls	3	461	0.27^g	0.09 to 0.45	0	0 to 90	+++	6.58
Anxiety symptoms
	Long-term follow-up^h
		Active treatment controls	2	140	0.08	−0.41 to 0.56	50.61	N/A^e	++	21.74

^aN_com: number of comparisons.

^bN_par: number of participants.

^c++: low quality; +++: moderate quality.

^dNNT: number needed to treat.

^eN/A: not applicable; calculation of 95% CI not possible because df=1.

^fOnly one study with active treatment controls available.

^gP<.01.

^hNo studies with passive controls available.