韧性在医学生压力感知与抑郁症状关系间的中介作用

Intermediary effect of resilience in the relationship between perceived stress and depressive symptom of medical students

目的:分析医学生压力感知与抑郁症状的关系,探索韧性在压力感知与抑郁症状关系间的中介作用。方法:通过分层整群随机抽样方法从辽宁省4所医学院校选取2000名五年制在校医学生,采用自填式问卷调查的方法,调查医学生的压力感知、韧性、抑郁症状和人口学变量。应用分层回归分析法探索韧性在压力感知与抑郁症状关系间的中介作用。结果:调查共发放问卷2000份,回收有效问卷1785份(占89.25%);五年制医学生压力感知与抑郁症状显著正相关。在控制医学生年龄与性别后,压力感知解释抑郁症状变化占29%,韧性解释抑郁症状变化占8%,韧性在压力感知与抑郁症状关系中起到部分中介作用。结论:压力感知与韧性对医学生的抑郁症状均起到一定作用,学校相关管理部门除采取减轻学生压力感知外还应培养其韧性,以降低医学生抑郁症状的发生率。

Objective： To analyze the relationship between perceived stress and depressive symptom of medical students so as to explore the intermediary role of resilience in their relationship. Methods： Through stratified cluster random sampling to select 2000 5-years students of medical specialty in four medical colleges and universities of Liaoning province. Self-administered questionnaires survey was adopted to investigate perceived stress, resilience, depressive symptom and demographic variables of these medical students. And then hierarchical regression was applied to explore the intermediary role of resilience in the relationship between perceived stress and depressive symptom. Results： A total of 2000 questionnaires were sent out and 1785 valid questionnaires were returned （89.25%）. The perceived stress was significantly positive correlation with depressive symptoms in 5-year students of medical specialty. After age and gender of these students were controlled, there were 29% changes of depressive symptoms were explained by perceived stress, and there were 8% changes of depressive symptoms were explained by resilience. Therefore, resilience played a part of intermediary role in the relationship between perceived stress and depression symptom. Conclusion： Both perceived stress and resilience played a role in depressive symptoms of medical students. The relevant administration department of university not only should alleviate the perceived stress of medical students, but also should adopt intervention strategies to train and enhance their resilience so as to decrease the occurrence rate of depressive symptoms in them.