Cox regression results: HRs
| Up-trade | HRs (95% CI) | |||
| Model 1 (n=1507) | Model 2 (n=1500) | Model 3 (n=1651) | Model 4 (n=1518) | |
| Actual self–reported price | 5.778* (3.678 to 9.077) | – | – | – |
| Actual tax | – | 5.572* (2.942 to 10.554) | – | – |
| Village-level mean price | – | – | 1.483† (1.096 to 2.006) | – |
| Predicted price | – | – | – | 1.932* (1.347 to 2.772) |
| Income | 1.511* (1.129 to 2.022) | 1.542* (1.151 to 2.064) | 1.631* (1.225 to 2.172) | 1.380† (1.021 to 1.866) |
| Addiction | 1.293 (0.886 to 1.886) | 1.199 (0.822 to 1.749) | 1.200 (0.827 to 1.740) | 1.354 (0.925 to 1.982) |