Odds ratios of all cause mortality by sub-region average household income and income inequality for 1.4 million New Zealand 1991 census respondents aged 25–64 years followed up for mortality for three years
| Men | Women | |||||||
|---|---|---|---|---|---|---|---|---|
| Deaths | n | Observed OR (95% CI) | Linkage adj OR | Deaths | n | Observed OR (95% CI) | Linkage adj OR | |
| Individual level variables | ||||||||
| Ethnicity | ||||||||
| Maori | 828 | 63207 | 1.93 (1.79 to 2.09) | 2.10 | 642 | 68346 | 2.32 (2.12 to 2.53) | 2.59 |
| Pacific | 153 | 21261 | 1.07 (0.91 to 1.27) | 1.30 | 93 | 22665 | 1.08 (0.87 to 1.33) | 1.61 |
| Non-M non-P | 5241 | 604389 | 1 | 1.00 | 3342 | 611253 | 1 | 1.00 |
| Equivalised household income | ||||||||
| <$10000 | 891 | 65004 | 2.15 (1.90 to 2.42) | 666 | 94767 | 1.61 (1.38 to 1.88) | ||
| $10000–$14999 | 1302 | 89265 | 1.96 (1.75 to 2.20) | 990 | 108477 | 1.53 (1.32 to 1.77) | ||
| $15000–$19999 | 864 | 90276 | 1.68 (1.49 to 1.90) | 567 | 93285 | 1.36 (1.16 to 1.58) | ||
| $20000–$24999 | 897 | 99243 | 1.55 (1.38 to 1.74) | 540 | 96729 | 1.25 (1.07 to 1.46) | ||
| $25000–$29999 | 654 | 78960 | 1.51 (1.34 to 1.71) | 375 | 74670 | 1.23 (1.04 to 1.44) | ||
| $30000–$34999 | 489 | 68658 | 1.29 (1.13 to 1.47) | 276 | 62889 | 1.05 (0.88 to 1.25) | ||
| $35000–$39999 | 327 | 50793 | 1.14 (0.98 to 1.32) | 210 | 46041 | 1.10 (0.91 to 1.32) | ||
| $40000–$49999 | 378 | 66816 | 1.07 (0.93 to 1.23) | 210 | 57666 | 0.95 (0.79 to 1.15) | ||
| ≥$50000 | 414 | 79845 | 1 | 240 | 67737 | 1 | ||
| Rural-urban | ||||||||
| Urban | 4695 | 524451 | 1 | 1.00 | 3075 | 545145 | 1 | 1.00 |
| Minor Urban | 696 | 54807 | 1.09 (1.00 to 1.18) | 1.07 | 513 | 57363 | 1.24 (1.12 to 1.37) | 1.14 |
| Rural and Other | 828 | 109599 | 0.73 (0.67 to 0.79) | 0.75 | 483 | 99753 | 0.80 (0.72 to 0.89) | 0.83 |
| Sub-Region level variables | ||||||||
| Quartile of average household income | ||||||||
| Low | 792 | 73188 | 1.04 (0.95 to 1.15) | 1.01 | 504 | 73110 | 1.02 (0.91 to 1.15) | 1.03 |
| Med-low | 1152 | 121230 | 0.94 (0.87 to 1.02) | 0.92 | 789 | 123195 | 0.99 (0.89 to 1.09) | 0.98 |
| Med-high | 1842 | 200175 | 1.01 (0.94 to 1.08) | 0.97 | 1230 | 203877 | 1.03 (0.95 to 1.12) | 1.01 |
| High | 2436 | 294264 | 1 | 1.00 | 1554 | 302079 | 1 | 1.00 |
| Quartile of income inequality | ||||||||
| Low | 1128 | 121557 | 1 | 1.00 | 750 | 123147 | 1 | 1.00 |
| Med-low | 1866 | 214641 | 0.97 (0.89 to 1.05) | 0.97 | 1,275 | 219699 | 0.98 (0.88 to 1.09) | 1.00 |
| Med-high | 1635 | 181134 | 1.02 (0.94 to 1.10) | 1.02 | 1,005 | 185076 | 0.92 (0.83 to 1.02) | 0.96 |
| High | 1590 | 171528 | 1.01 (0.93 to 1.10) | 1.02 | 1,044 | 174336 | 0.97 (0.87 to 1.07) | 1.05 |