摘要：Background: Population-based estimates of traffic accidents (TAs) are not readily available for developing countries. This study examined the contribution of socioeconomic status (SES) to the risk of TA among Iranian adults. Methods: A total of 64,200people aged ≥18years were identified from 2008 Urban Health Equity Assessment and Response Tool (Urban HEART) survey. 22,128 households were interviewed to estimate the overall annual incidence, severity and socioeconomic determinants of TAs for males and females in Iranian capital over the preceding year. Wealth index and house value index were constructed for economic measurement. Weighted estimates were computed adjusting for complex survey design. Logistic regression models were used to examine individual and SES measures as potential determinants of TAs in adults. Results: The overall incidence of traffic accident was 17.3(95% CI 16.0, 18.7) per 1000 per year. TA rate in men and women was 22.6(95% CI 20.6, 24.8) and 11.8(95% CI 10.4, 13.2), respectively. The overall TA mortality rate was 26.6(95% CI 13.4, 39.8) per 100,000 person-years, which was almost three times higher in men than that for women (40.4 vs. 12.1 per 100,000person-years). Lower economic level was associated with increased incidence and mortality of TA. Association between SES and incidence, and severity and mortality of TA were identified. Conclusion: TAs occur more in lower socioeconomic layers of the society. This should be taken seriously into consideration by policy makers, so that preventive programs aimed at behavioral modifications in the society are promoted to decrease the health and economic burden imposed by TAs.
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