The Prevalence and Associated Factors of Premenstrual Syndrome (PMS) and Premenstrual Dysphoric Disorder (PMDD) among Preclinical Medical Students at Chulalongkorn University
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Abstract
Objective: To determine the prevalence and associated factors of moderate to severe premenstrual syndrome (PMS) and premenstrual dysphoric disorder (PMDD) among pre-clinical medical student at Chulalongkorn university.
Methods: A cross-sectional descriptive study was conducted in 224 pre-clinical medical students at Chulalongkorn university during September 2024 to October 2024. Participants were asked to complete the self-administered questionnaires consisting of personal and menstrual-related information, Lifestyles information, Premenstrual Symptoms screening tool (PSST) – Thai version and 10-Item Perceived Stress Scale-10 (T-PSS-10) – Thai version. The data were analyzed using descriptive and inferential statistics such as Chi-square, Fisher’s exact test, independent t-test and logistic regression analysis.
Results: The study included 224 participants. The prevalence of moderate to severe PMS and PMDD were 36.6% and 4.46%, respectively. According to logistic regression analysis, GPAX (adjusted odds ratio (aOR) = 0.33, 95%CI = 0.11 - 0.95, p = 0.039), family history of PMS or PMDD (aOR = 3.16, 95%CI = 1.11 - 9.04, p = 0.032) and a total score of the Perceived Stress Scale, Thai version (T-PSS-10) (aOR = 1.17, 95%CI = 1.08 - 1.27, p < 0.001) were significantly associated with moderate to severe PMS. While class absenteeism (aOR = 22.74, 95%CI = 2.04 - 253.75, p = 0.011), consumption of bakery products (aOR = 0.020, 95%CI = 0.002 - 0.27, p = 0.003) and a total score of T-PSS-10 (aOR = 1.29, 95%CI = 1.05 - 1.58, p = 0.016) were significantly associated with PMDD.
Conclusion: Our study found that approximately one-third of the sample experience PMS and nearly 5% had PMDD. Increased total score on the Perceived Stress Scale were associated with both PMS and PMDD. Therefore, screening and mental health promotion including stress management, should be provided for preclinical medical students.
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