Epidemiology of Suicide/Suicide Attempt and Its Association With Individual, Family, and Social Factors in Eastern Part of Iran: A Historical Cohort Study

Background: suicide/suicide attempt, as a major public health problem, has been included among anti-social behaviors. we aimed to investigate the epidemiology of suicide and some associated individual, family, and so-cial factors. methods: a historical cohort study was conducted among all cases (748 persons) reports related to suicide/suicide attempt that register in hospital reporting system and health care center in gonabad and bajestan, iran, from 2009 to 2014. the required data were extracted through a checklist. descriptive (mean and standard deviation) and analytic statistics (t-test, chi-square, and logistic regression) applied to analyzed data. all data were analyzed using spss software. results: of the 748 reported suicide attempters, 17 cases (2.3%) had completed suicide. the annual average incidence rate of suicide was 110.03 per 100,000 populations. the mean age of suicide attempt had significantly decreased during the time (p=0.007). furthermore, a significant association was observed between outcome of suicide and place of residence (p=0.019), history of physical illnesses (p=0.002), and method of suicide (p=0.001). conclusion: due to trend of age among suicide attempters, considering intervention programs of suicide prevention for school pupils and university students especially individuals residing in rural areas, as well as individ-uals suffering from physical illness would be effective to reduce the rate of suicide.