Abstract

Premenstrual dysphoric disorder (PMDD) is the most severe form for premenstrual distress. This study's objective was to understand the association among PMDD, premenstrual syndrome (PMS), and eating behaviors. Cross-sectional design. The survey was composed of validated measures. Female students at a nursing school. PMDD and PMS diagnoses were made using the Premenstrual Symptoms Screening Tool (PSST). Eating behaviors were assessed using the Eating Attitudes Test (EAT-26) and the Three-Factor Eating Questionnaire-Revised 18 (TFEQ-R18). Of the 504 participants, according to the PSST, 80 (15.9%) met the criteria for PMDD, 222 (44%) had moderate-to-severe PMS, and the remaining 202 (40%) participants showed mild or no premenstrual symptoms. The total EAT-26 scores were significantly higher in the PMDD group than in the other groups (P<.001). According to the cut-off value (20 points) of EAT-26, the total prevalence of disordered eating behaviors was also significantly higher in the PMDD group (45.5%) compared with the moderate-to-severe PMS group (16.5%) and the no/mild PMS group (13.6%) (P<.001). According to the TFEQ-R18 scores, significantly higher scores for emotional eating and uncontrolled eating were found in the PMDD group than in the other groups (P<.001 for each). Given that PMDD is defined as a more severe form of PMS with more strict criteria, the findings in this study reflect that as the severity of premenstrual symptoms increase, disordered eating behaviors also increase. To the best of our knowledge, this is the first study to compare eating behaviors among PMDD, moderate-to-severe PMS, and no/mild PMS groups.

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