Investigation the relationship of type D personality and it's sub-scales with depression in female students at Shahin shahr

Introduction: Depression is one of the most prevalent and disabling problems in adolescence. Researches have shown that personality traits can predict mood changes over the time, and some personality traits are more susceptible to mental disorder compare to the others. Aim: The aim of the current study was investigation of the relationship between type D personality and it's sub-scales (Negative Affect and Social Inhibition) with depression in female students of senior high school grade. Method: This is a cross-sectional descriptive study. The statistical population of the study was all of female students of senior high school grade studying in an academic year (2016- 2017) at Shahin Shahr. The number of 126 students were selected via multi-stage cluster sampling method. Tool: Tools that are used in this study were Denollet type D personality questionnaire, and Beck-II depression Inventory. The data was analyzed by using Pearson correlation coefficient and stepwise multiple regression analyze with SPSS-23 software. Results: Pearson correlation coefficient showed that there is a significant relationship between type D personality and it's sub-scales with depression in female students (p< 0.001). The results of regression analysis also showed that between the two components of type D personality, negative affect was good predictor of depression (P<0.001). Conclusion: According to the results and the importance of adolescence, its necessary to consider Effective and suitable strategies in order to reduce negative affect, and enhance healthy social relations in families, Social and educational environments.