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| Risk factors for suicidal behaviors among middle school students |
| YUAN Fang, CEN Huan-xin, YUAN Guo-ping, LI Hui, GONG Qing-hai
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| Jiangbei Center for Disease Control and Prevention,Ningbo,Zhejiang 315020,China |
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Abstract Objective To estimate the prevalence and risk factors of suicide ideation,suicide planning and suicide attempts among middle school students and to provide reference for suicide intervention.Methods The students of grade 7 to 12 in Ningbo were recruited through multi-stage random sampling method. A self-reported questionnaire survey was conducted to collect the information about suicide ideation,suicide planning and suicide attempts within 12 months. A multivariate logistic regression model was used to analyze the risk factors for the three aspects of suicide among middle school students.Results A total of 10 729 questionnaires were sent out and 10 726 valid ones were collected,with a validity rate of 99.97%. The prevalence rates of suicide ideation,suicide planning and suicide attempts among middle school students during the last 12 months were 12.93%,4.54% and 5.06%,respectively. The results of multivariate logistic regression analysis indicated that females（OR：1.397-1.575,95%CI：1.178-1.927）,students of grade 7 to 9（OR：1.625-1.824,95%CI：1.323-2.082）,poor health condition（OR：1.160-2.131,95%CI：1.005-2.985）,loneliness（OR：1.574-4.423,95%CI：1.221-5.254 ）,desperation（OR：2.796-3.232,95%CI：2.400-3.990）,anxiety（OR：1.890-2.117,95%CI：1.503-2.496）,less than 8 hours a day of sleep（OR：1.152-1.263,95%CI：1.030-1.594）,smoking（OR：1.476-2.074,95%CI：1.055-3.072）,drinking（OR：1.479-1.863,95%CI：1.271-2.296）,fighting（OR：1.716-1.941,95%CI：1.330-2.422）and school bullying（OR：2.254-3.292,95%CI：1.342-5.277）were common risk factors for suicide ideation,suicide planning and suicide attempts;physical activity（OR：0.597-0.720,95%CI：0.474-0.923）was a common protective factor for suicide ideation,suicide planning and suicide attempts.Conclusion Females,lower grade,poor health condition,loneliness,desperation,anxiety,lack of sleep,smoking,drinking,fighting,school bullying and physical activity were influencing factors for suicidal behaviors.
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Received: 03 September 2018
Revised: 27 December 2018
Published: 04 March 2019
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| Fund:宁波市自然科学基金项目（2018A610403）; 宁波市科技局自然科学基金项目（2016A610181）; 宁波市重点疾病监测项目 |
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