Effectiveness of digital psychotherapeutic intervention among perinatal women: A systematic review and meta-analysis of randomized controlled trials

Table 3 Random-effects univariate and multivariate meta-regression analyses of covariates on depression symptoms

Covariates	Univariate meta-regression				Multivariate meta-regression
	β	SE	95%CI	P value	β	SE	95%CI	P value
Age	0.18	0.08	0.03, 0.33	0.02b	0.14	0.07	0.01, 0.27	0.04a
Cognitive behavioral therapy1	-0.077	0.23	-1.23, 0.31	< 0.001c	-0.070	0.24	-1.16, -0.23	< 0.001c
Year of trials	-0.02	0.04	-0.10, 0.06	0.66	-	-	-	-
Sample size	< 0.001	< 0.001	-0.00, 0.00	0.94	-	-	-	-
Numbers of session	-0.05	0.04	-0.13, 0.03	0.20	-	-	-	-
Duration of intervention (wk)	-0.07	0.05	-0.16, 0.02	0.13	-	-	-	-

¹Reference group: Non-cognitive behavioral therapy.

^aP < 0.05.

^bP < 0.01.

^cP < 0.001.

β: Coefficient; SE: Standard error; CI: Confident interval.