Table 2.
Overall and social inequality measures of suicide mortality in Iran, 2006–2010
| 2006 | 2007 | 2008 | 2009 | 2010 | Overall | APC (p value) | |
|---|---|---|---|---|---|---|---|
| Total sample (n=30) | |||||||
| Gini index | 0.290 (0.193–0.386) | 0.302 (0.212–0.392) | 0.271 (0.182–0.361) | 0.268 (0.165–0.371) | 0.248 (0.151–0.345) | 0.281 (0.240–0.322) | −4.28 (0.050) |
| Rate ratio* | 0.359 (0.256–0.503) | 0.325 (0.225–0.469) | 0.428 (0.284–0.646) | 0.496 (0.296–0.830) | 0.535 (0.316–0.906) | 0.426 (0.275–0.659) | 12.20 (0.049) |
| RIIKM | 0.345 (0.174–0.686) | 0.257 (0.127–0.521) | 0.289 (0.142–0.588) | 0.337 (0.147–0.776) | 0.341 (0.148–0.784) | 0.339 (0.166–0.671) | 1.75 (0.745) |
| Adjusted RIIKM† | 0.279 (0.129–0.600) | 0.205 (0.098–0.431) | 0.224 (0.102–0.489) | 0.133 (0.039–0.455) | 0.160 (0.051–0.507) | 0.171 (0.054–0.548) | −13.75 (0.073) |
| Sample excluding Tehran (n=29) | |||||||
| Gini index | 0.259 (0.168–0.350) | 0.285 (0.187–0.382) | 0.282 (0.187–0.378) | 0.292 (0.192–0.392) | 0.277 (0.191–0.363) | 0.282 (0.243–0.322) | 1.42 (0.38) |
| Rate ratio* | 0.646 (0.444–0.938) | 0.397 (0.226–0.695) | 0.415 (0.247–0.696) | 0.520 (0.277–0.974) | 0.492 (0.262–0.924) | 0.584 (0.380–0.896) | −6.59 (0.403) |
| RIIKM | 0.460 (0.257–0.823) | 0.339 (0.179–0.644) | 0.352 (0.185–0.672) | 0.397 (0.187–0.839) | 0.389 (0.185–0.819) | 0.411 (0.215–0.785) | −2.76 (0.575) |
| Adjusted RIIKM† | 0.402 (0.224–0.722) | 0.301 (0.168–0.541) | 0.310 (0.165–0.580) | 0.211 (0.077–0.577) | 0.241 (0.093–0.623) | 0.241 (0.090–0.649) | −12.95 (0.045) |
*The highest versus the lowest quintile of Human Development Index.
†Adjusted for proportion of males and mean age of males and females in the provinces.
APC, annual percentage change; RIIKM, Kunst and Mackenbach relative index of inequality.