Table 4. Prior distribution assumptions for Depression specialist practice study.

Parameters	Prior distribution
βt	N(□β,Σ) with Σ = nVar (□β)
σ2 under homogeneity of variance	Inverse-Gamma with parameters 0.01 and 0.01
${\sigma }_t^2$ under heterogeneity variance for all t (t=1,2,3,or 4)	Each are Inverse-Gamma with parameters 0.01 and 0.01
δt	N(0,diag(1,2.25,0.04)