Method

95% CI

Third-order

(0.001, 0.0802)

LRT-REML

(0, 0.0753)

LRT-ML

(0, 0.0675)

Wald-REML

(0, 0.0503)

Wald-ML

(0, 0.0482)

Score

(0, 0.0488)