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目的 了解在校大学生自杀倾向的发生情况及其影响因素,为自杀行为的早期预防提供参考依据.方法 于2016年10-12月采用分层随机整群抽样方法对天津师范大学抽取的2 402名在校大学生进行问卷调查.结果 2 402名在校大学生自杀企图、精神障碍、消极应对、绝望情绪、应激事件和自杀倾向量表总分分别为(4.07±0.95)、(5.13±0.45)、(2.48±0.57)、(2.05t0.35)、(1.85 ±0.26)和(14.73 ±2.12)分;检出自杀倾向者357人,自杀倾向检出率为14.86％;多因素非条件logistic回归分析结果显示,大三及以上年级、有家族自杀史、单亲家庭和与父母关系疏远是大学生自杀倾向发生的危险因素;对专业满意和学习成绩优良是大学生自杀倾向发生的保护因素.结论 在校大学生的自杀倾向检出率较高,年级、专业满意度、学习成绩、家族自杀史、家庭类型和与父母关系是在校大学生自杀倾向发生的主要影响因素.“,”Objective To explore the prevalence and risk factors of suicidal tendency among college students,and to provide references for early prevention of suicide behavior.Methods We conducted a questionnaire survey among 2 402 college students recruited from Tianjin Normal University using randomized cluster sampling from October to December 2016.Results Among the participants the average score was 4.07 ± 0.95 for suicide attempt,5.13 ± 0.45 for mental disorder,2.48 ±0.57 for negative coping,2.05 ±0.35 for desperation,1.85 ±0.26 for stress event,and 14.73 ±2.12 for suicidal tendency,respectively,and 14.86％ (357/2 402) of the students were identified with suicidal tendency.Multivariate logistic regression analysis showed that during the third or fourth year of study,from a single parent family,and being estranged from parents were risk factors of suicide tendency;whereas,satisfied with the majoring and good academic achicvement were the protective factors of the occurrence of suicide tendency in the participants.Conclusion The detection rate of suicidal tendency is relative high among college students and the occurrence of suicidal tendency is mainly influenced by years of study,satisfaction to the majoring,academic achievement,family suicide history,family type,and relationship with parents among college students.