Table 2 Results of simulations for data generated from a mixed model as in Fig. 3 with uncorrelated random effects

Moderate

0.700

0.100

0.699

0.114

-0.001

0.140

0.100

0.029

0.866

0.832

0.956

0.257

0.902

0.245

-0.056

-0.047

0.140

0.052

0.862

0.854

1.064

0.384

0.961

0.316

-0.097

-0.178

0.173

0.096

0.784

0.668

1.123

0.527

0.978

0.348

-0.129

-0.340

0.202

0.194

0.710

0.222

1.162

0.660

0.983

0.361

-0.154

-0.453

0.229

0.309

0.622

0.320

Severe

-

-

0.880

0.000

0.257

-0.999

0.251

0.100

0.814

0.000

-

-

0.796

0.355

-0.167

0.383

0.261

0.137

0.886

0.868

-

-

0.712

0.711

-0.331

0.849

0.448

0.378

0.738

0.632

-

-

0.628

1.066

-0.440

1.023

0.613

0.610

0.690

0.542

-

-

0.544

1.422

-0.532

1.154

0.769

0.851

0.696

0.486