Explaining the Premenstrual Syndrome Based on Type D Personality Traits and Hormonal Mediation with Lifestyle Mediation

The aim of this study was to explain the problem of premenstrual syndrome (PMS) based on type D personality traits and hormonal dysfunction mediated by lifestyle. The method of the present study was descriptive-correlational. The statistical population included women of childbearing age 25 to 35 years old living in Tehran located in region one in year 2020.By Using available sampling method, 207 women were selected as the sample. The research instruments were: Denollet (1998) personality type D questionnaire, Lali et al.'s lifestyle questionnaire (2012) and daily record of severity of problems chart of Endicott (1996). The results of structural equation analysis showed that hormonal dysregulation and type D personality traits mediated by lifestyle have a significant indirect effect on PMS. The results of the present study indicated that type D personality traits, hormonal dysregulation and lifestyle are significant explanators of PMS, so it seems that paying attention to the role of these variables in the evaluation and treatment of psychological symptoms of PMS is helpful.