Parameter | Estimate | 95% CI | SE | Wald χ2 | P > χ2 |
α1 | −1.402 | ±0.097 | 0.0497 | 793.7724 | <0.0001 |
α2 | −2.411 | ±0.120 | 0.0614 | 1541.714 | <0.0001 |
τ1 | 0.756 | ±0.160 | 0.0817 | 85.5141 | <0.0001 |
τ2 | 0.263 | ±0.182 | 0.0928 | 8.0623 | 0.0045 |