Comparison 6. Group cognitive stimulation versus no treatment post‐treatment (Active control group).

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
6.1 Cognition	27	1637	Std. Mean Difference (IV, Random, 95% CI)	0.43 [0.26, 0.59]
6.1.1 Alternate activity control group	5	322	Std. Mean Difference (IV, Random, 95% CI)	0.59 [0.37, 0.82]
6.1.2 Treatment‐as‐usual control group	22	1315	Std. Mean Difference (IV, Random, 95% CI)	0.41 [0.22, 0.60]