. Author manuscript; available in PMC: 2013 Oct 28.

Published in final edited form as: Bayesian Anal. 2012 Sep;7(3):10.1214/12-BA720. doi: 10.1214/12-BA720

Table 1.

ESS values computed for several sets of level 2 prior parameters ( $σ_{α, φ}^{2}, σ_{β, φ}^{2}$ , U_φ). The per-subgroup ESS values are based on assumed relative accrual rates .40, .30, .20, .10 for k = 1, 2, 3, 4.

σ_{α, φ}^{2} = σ_{β, φ}^{2}

U_φ

ESS

Per-subgroup ESS

100

6.6

2.6

2.0

1.3

0.7

7.1

2.8

2.1

1.4

0.7

9.1

3.6

2.7

1.8

0.9

25.8

10.3

7.7

5.2

2.6