Final model with different income parameterizations
| INCOME PARAMETERIZATION | RATE RATIO (95% CI) |
|---|---|
| Parameterization 1 | |
| Categorical income (as continuous variable) | 0.75 (0.59 to 0.95) |
| Parameterization 2 | |
| Categorical income (by categories) per annum | |
| • < $20 000 | 1.0 (reference) |
| • $20 000 to < $40 000 | 0.81 (0.35 to 1.88) |
| • $40 000 to < $60 000 | 0.98 (0.40 to 2.42) |
| • $60 000 to < $80 000 | 0.17 (0.02 to 1.30) |
| • ≥ $80 000 | 0.34 (0.12 to 0.97) |
| Parameterization 3 | |
| Income of < $60 000 per annum vs income of ≥ $60 000 per annum | 2.18 (1.18 to 4.02) |