Table 3.

Results of subgroup analysis of life satisfaction.

Subgroups	I 2	Studies (n)	Participants (n)	SMD	95% CI	P (overall effects)	P (group differences)
Form of intervention							P = 0.15
Individual sessions	0%	1	59	0.05	−0.46, 0.56	P = 0.85
Group sessions	0%	6	403	0.45	0.25, 0.65	P < 0.00001
Duration of intervention							P = 0.04
<8weeks	0%	2	140	0.11	−0.22, 0.44	P = 0.51
>8weeks	0%	5	322	0.53	0.30, 0.75	P < 0.00001
Setting of intervention							P = 0.04
Care home	0%	5	322	0.53	0.30, 0.75	P < 0.00001
Community	0%	2	140	0.11	−0.22, 0.44	P = 0.51

I², heterogeneity; SMD, standardized mean difference.