Odds ratios of all cause mortality by income inequality measured at various regional levels for 1.4 million New Zealand 1991 census respondents aged 25–64 years followed up for mortality for three years
| Men | Women | |||||||
|---|---|---|---|---|---|---|---|---|
| Quartile of income inequality | Deaths | n | Observed OR (95% CI) | Linkage adj OR | Deaths | n | Observed OR (95% CI) | Linkage adj OR |
| Regional council (n=14) | ||||||||
| Low | 537 | 58182 | 1 | 1.00 | 390 | 59055 | 1 | 1.00 |
| Med-low | 1884 | 199914 | 1.02 (0.92 to 1.14) | 1.02 | 1170 | 201441 | 0.99 (0.87 to 1.13) | 1.02 |
| Med-high | 1326 | 137697 | 0.95 (0.83 to 1.08) | 0.97 | 927 | 141042 | 1.09 (0.93 to 1.29) | 1.14 |
| High | 2616 | 308202 | 0.99 (0.85 to 1.15) | 1.09 | 1668 | 315996 | 1.07 (0.89 to 1.29) | 1.11 |
| Sub-region (n=35) | ||||||||
| Low | 1128 | 121557 | 1 | 1.00 | 750 | 123147 | 1 | 1.00 |
| Med-low | 1866 | 214641 | 0.97 (0.89 to 1.05) | 0.97 | 1275 | 219699 | 0.98 (0.88 to 1.09) | 1.00 |
| Med-high | 1635 | 181134 | 1.02 (0.94 to 1.10) | 1.02 | 1005 | 185076 | 0.92 (0.83 to 1.02) | 0.96 |
| High | 1590 | 171528 | 1.01 (0.93 to 1.10) | 1.02 | 1044 | 174336 | 0.97 (0.87 to 1.07) | 1.05 |
| Territorial authority (n=73) | ||||||||
| Low | 1080 | 119391 | 1 | 1.00 | 708 | 120510 | 1 | 1.00 |
| Med-low | 2211 | 248469 | 1.01 (0.93 to 1.09) | 1.00 | 1473 | 256836 | 1.02 (0.93 to 1.12) | 1.05 |
| Med-high | 1800 | 195093 | 1.08 (0.99 to 1.17) | 1.08 | 1131 | 198189 | 1.01 (0.91 to 1.11) | 1.03 |
| High | 1272 | 141048 | 1.04 (0.95 to 1.13) | 1.07 | 843 | 141996 | 1.02 (0.92 to 1.13) | 1.10 |