Comparison Estimate Std. Error z-value p-value
Always – Ancestor -0.92335 0.19399 -4.760 <0.001
2.1. - Ancestor -0.84208 0.18860 -4.465 <0.001
5.1. – Ancestor -0.49494 0.18527 -2.671 0.0791
Never – Ancestor -0.78893 0.19395 -4.068 <0.001
NPM – Ancestor -0.52794 0.18847 -2.801 0.0560