| Wald | GPQ | F1 | F2 | |
| exp(β1) | (0.600,1.861) | (0.591,1.862) | (0.600,1.860) | (0.599,1.865) |
| exp(β2) | (0.282,0.841) | (0.277,0.851) | (0.281,0.849) | (0.283,0.846) |
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