RESUMEN
Background: Dysmenorrhea, characterized by painful menstrual cramps, significantly impacts the well-being of women globally. Despite its prevalence and adverse effects, dysmenorrhea is often underdiagnosed and inadequately treated. This study aims to validate the Arabic version of the Working ability, Location, Intensity, Days of pain, and Dysmenorrhea (WaLIDD) scale among Lebanese female university students aged 18-45. Methods: This cross-sectional study, involving 729 participants, utilized a translated WaLIDD scale and the Depression, Anxiety, and Stress Scales (DASS-8). Results: Confirmatory Factor Analysis (CFA) confirmed the one-factor structure of the WaLIDD scale, demonstrating excellent fit indices, with good internal reliability. Concurrent validity analysis revealed significant associations between higher WaLIDD scores and elevated levels of depression, anxiety, and stress. The prevalence of dysmenorrhea in the study was estimated at 7.3%. Conclusion: The study underscores the importance of the WaLIDD scale as a reliable and valid tool for assessing dysmenorrhea among Arabic-speaking populations. The successful validation of the Arabic version facilitates its application in Lebanon and potentially other Arab regions, providing a universal tool to predict and assess dysmenorrhea and its impact. Further research is encouraged to explore the scale's applicability in clinical settings and tailor interventions for improved women's well-being.