Comparison 3. Functioning.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
3.1 Physical functioning	14	2788	Std. Mean Difference (IV, Random, 95% CI)	‐0.10 [‐0.30, 0.10]
3.2 Mental functioning	34	7782	Std. Mean Difference (IV, Random, 95% CI)	0.16 [0.06, 0.27]
3.3 Social Functioning	15	2632	Std. Mean Difference (IV, Random, 95% CI)	0.02 [‐0.06, 0.09]