Case-Control Study On Family Factors Of Attempted Suiside In A Minority Rural Region Of Guangxi

Objective To explore epidemical characteristics of attempted suicide in a minority rural area of Guangxi. To study the family factors and provide scientific evidence for the attempted suicide's prevention and intervention.Method Unmatched case-control study was conducted,65 suicide attempters and 81 controls who were interviewed during Jan 1,2007 to Nov 1, 2009. Both cases and controls received questionnaire investigation including general information on the life quality, scale of impulsiveness and family adaptability and cohesion, life events and so on about their family. And mental illness according to the SCID-I standard was diagnosed by psychiatric doctors. Meanwhile, constituent ratio, frequency distributions were used to analyze epidemical characteristics. Single factor and multivariate factor of unconditional logistic regression were performed to analy the data.Results The male-to-female ratio was 1:1.6. The average age of suicide attempters were the youths and the adults.66.2% attempted suicide was national minority. Most of attempted suicide events occurred in spring, summer and Autumn.83% of the cases attempted suicide by oral pesticide. About 95% of suicide attempters of suicide occurred in the place at home. The detection rate of mental disorder in the suicide attempters'group was significantly higher than that in the control group (P＜0.05). The family problem was the nain reason of suiside. Significant differences were found in family adaptability and cohesion, the number of negative life events, chronic mental stress, acute stress between the two groups.Multivariate unconditional logistic regression model analysis showed that acute mental stress and psychiatric disorders were protective with OR values as 19.026,38.824. Multivariate unconditional logistic regression model analysis showed that regular education time, chronic mental stress, family adaptability and cohesion were risk factors of attempted suicide with OR values as 0.283,0.073,0.335,0.248, respectively.Conclusion The oral administration of pesticides was the most important reason for attempted suicide. The family problem was the reason that was suiside. The attempted suicide happening of Guangxi rural area is related with acute mental stress, psychiatric disorders, regular education time, chronic mental stress and family adaptability and cohesion. So effective and comprehensive prevention and intervention measures should be instituted according to these risk factors.