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目的 探讨医学生健康风险规避行为现状及影响因素.方法 分层整群抽取某医科大学7个专业307名医学生进行问卷调查.结果 医学生健康风险认知与规避行为基本呈正相关趋势(R=0.60).医学生对不安全性行为(3.81,4.12);吸烟(4.18,4.42);食用过期产品(3.91,4.12)的风险认知和规避行为得分较高,对转基因产品(2.77,2.90);日用化学品(2.82,3.11);长时间使用手机(3.42,3.08)得分较低.另外经常熬夜(3.80,3.18)和整容(3.30,4.17)的风险认知与规避行为得分出现偏离.lo-gistic回归分析显示,女性(OR=2.361)、风险认知水平高(OR=7.351)、健康重视程度高(OR=4.274)对医学生的健康风险规避行为水平有影响.结论 改善医学生健康风险规避行为,需从性别、健康重视和健康风险认知等多方面进行干预.“,”Objective To understand the health protective behaviors of medical students and to analyze its influencing factors.Methods A questionnaire survey was conducted among 307 medical students randomly selected using a stratified cluster sampling method.Results There was a positive correlation between protective behaviors and risk perception (R=0.60).Students had the highest scores of protective behaviors against unsafe sex (3.81,4.12),smoking (4.18,4.42) and eating of expired foods (3.91,4.12),while had the lowest scores on genetically modified foods (2.77,2.90),daily chemicals (2.82,3.11) and the long-term use of mobile phones (3.42,3.08).There were deviations on the score of stay up late (3.80,3.18) and cosmetic surgery (3.30,4.17).Logistic regression analysis showed that factors as female (OR=2.361),high levels of risk perception (OR=7.351),and positive attitudes toward health concern (OR=4.274) significantly influenced the health protective behaviors of medical students.Conclusions In order to improve the health protective behaviors of medical students such interventions as health education and health risk awareness should be introduced.