Relation Between Personality Traits and Depression in University Students: the Moderating Effect of Friendship

[Speaker] Shen, Li:1,2
[Co-author] Wang, Li:1
1:Peking University (China (People's Republic of China)), 2:American Psychological Association (United States of America)

Depression has become a severe psychiatry and psychological problem in all ages around the globe. Previous studies have shown that personality traits of individuals (such as Neuroticism and Extraversion) have significant effect on depression. Personality traits also have influence on their friendship in the social network. However, the effect mechanism of friendship's influence on personality and depression is not clear, and discussion on this issue is theoretically and practically meaningful.
263 students from a university in South China participated in this study. We obtained friendship data by peer nomination, and collected depression data by Beck Depression Inventory, personality data by NEO Five-Factor Inventory.
In our multilevel regression analysis we found the following results: personality traits were significant predictors of depression in university students, and friendship was a moderator on personality traits' prediction of depression. Our results did not support friendship as a mediator between personality traits and depression.
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