Table 3. Subgroup analysis of depression and anxiety.

Subgroups	Depression							Anxiety
	Studies, n	Participants, n	I 2	Q-test	Mean difference	95% CI	P	Studies, n	Participants, n	I 2	Q-test	Mean difference	95% CI	P
Publication date
>2017 or = 2017	2	437	0	0.88	-0.74	-1.95,0.47	0.23
<2017	2	382	93	0.0002	-2.08	-4.62,0.47	<0.00001
Number of participants
<100	2	219	50	0.16	-2.7	-4.70,-0.69	0.008	2	140	88	0.004	-1.00	-2.74,0.73	0.26
>100	2	606	0	1	-0.70	-1.62,0.22	0.14	2	622	0	0.74	-2.30	-3.78,-0.81	0.002