Table 1.

Hedges’ g calculated using the questionnaire used to evaluate depressive symptoms as moderator.

TEST	BDI-II	CES-D	DASS	HADS	PHQ-9
Hedges’ g	0.23	− 0.41	0.48	0.85	1.10
95% CI	[0.01, 0.45]	[− 1.13, 0.31]	[0.17, 0.80]	[0.33, 1.36]	[0.25, 1.94]
Number of studies	N = 6	N = 1	N = 4	N = 2	N = 1