Spatial heterogeneity in gender and age of fatal suicide in Iran

Publish Year: 1401
نوع سند: مقاله ژورنالی
زبان: English
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تاریخ نمایه سازی: 30 آبان 1401


Background: The suicide incident has had an increasing trend in Iran over the past years. This study mainlyaimed to investigate and visualize the spatial variations of registered suicide cases at the province level. Atwo-step modeling approach was employed in order to estimate the relative risks (RRs) and model the ageof fatal suicide across provinces in Iran.Study design: An applied ecological study.Methods: This study used the suicide death data recorded by the Iranian forensic medicine organizationfrom March ۲۱, ۲۰۱۶, to March ۲۰, ۲۰۱۸. Furthermore, a Bayesian spatial approach - Besag, York, andMollie (BYM) model- was applied to estimate the RR of suicide across provinces in Iran.Results: This risk was found to be significantly higher than the average in both men and women in thewest of Iran. For women, higher population density (mean: ۰.۰۰۳; ۹۵% CrI: ۰.۰۰۱-۰.۰۰۵) and lowerurbanization rate of provinces (mean: -۰.۰۲۵; ۹۵% CrI: -۰.۰۳۸, -۰.۰۱۲) were associated with increased RRof suicide. Based on the log-normal model fitted to the data, the overall mean age of the fatal suicide atthe national level was ۳۴ years.Conclusions: The magnitude of gender and age differences was quantified, and many spatial variationswere identified in suicide mortality across provinces in Iran. Given the heterogeneity in suicide mortalityrisk among different subgroups of age and gender, our findings point to the urgent need in developinggender- and age-specific suicide prevention strategies. Moreover, efficient allocation of healthcareresources for suicide prevention can be attained by targeting provinces with higher risk.


Mehran Rostami

MSc, MPH, Deputy of Health, Kermanshah University of Medical Sciences, Kermanshah, Iran

Abdollah Jalilian

PhD, Department of Statistics, Razi University, Kermanshah, Iran

Seyed Amirhosein Mahdavi

MD, Legal Medicine Research Center, Iranian Legal Medicine Organization, Tehran, Iran

Nasser Bagheri

PhD, Health Research Institute, University of Canberra, ACT ۲۶۰۱ Australia