From: Methods for calculating confidence and credible intervals for the residual between-study variance in random effects meta-regression models
Method
Estimate
Interval
REML
0.042
(0.016, 0.111)
Gen Q ( a i = σ i - 2 )
0.043
(0.017, 0.139)
Gen Q ( a i = σ i - 1 )
0.048
(0.018, 0.138)
Paule-Mandel/Q profile
0.049
(0.018, 0.156)
Bayesian
0.050
(0.017, 0.119)