Table 2. Multiple Meta-regression Using Covariates Associated With Between-Sample Heterogeneity in Postdischarge Suicide Rates^a.

Covariate	Coefficient (SE) [95% CI]		z Score	P Value
Midyear of sample	0.011 (0.005) [0.0007 to 0.020]		2.10	.04
Follow-up ≤12 mo	0.63 (0.12) [0.39 to 0.87]		5.15	<.001
Suicidal patients	1.46 (0.29) [0.89 to 2.02]		5.02	<.001
Adolescent	−0.86 (0.21) [−1.27 to −0.44]		−4.05	<.001
First admission	−0.10 (0.17) [−0.45 to 0.24]		−0.59	.56
Intercept	−26.40 (9.93) [−45.86 to −6.93]		−2.66	.008

^an = 183, Q₅ = 100.8, R² analog = 0.39.