Table 3.

Summary statistics for meta-analyses and sensitivity analyses: social network size and outcomes in schizophrenia

Outcome	Studies	Total N	Random effects meta-analysis				Heterogeneity
			Hedge’s g	95% CI		p value	Q value (df)	p value	I2 (%)
Overall symptoms
Total	5	467	− 0.530	− 0.875	− 0.184	0.003	10.822 (4)	0.029	63.037
100% SS + high-quality network	4	249	− 0.595	− 1.111	− 0.079	0.024	10.683 (3)	0.014	71.919
Positive symptoms
Total	7	405	− 0.192	0.494	0.110	0.213	12.709 (6)	0.048	52.788
100% SS	6	318	− 0.206	− 0.581	0.169	0.281	12.683 (5)	0.027	60.578
High-quality network	4	248	− 0.276	− 0.793	0.241	0.296	11.357 (3)	0.010	73.584
Negative symptoms
Total	8	577	− 0.754	− 0.997	− 0.512	0.000	10.895 (7)	0.143	35.748
100% SS	7	358	− 0.818	− 1.126	− 0.509	0.000	10.128 (6)	0.119	40.757
High-quality network	5	288	− 0.899	− 1.319	− 0.480	0.000	9.789 (4)	0.044	59.138
Social functioning
Total	3	209	0.361	− 0.078	0.801	0.107	4.737 (2)	0.094	52.766

Bold figures indicate statistically significant association between social network size and outcome

SS Schizophrenia spectrum, CI confidence interval