Journal of Korean Academy of Nursing

Review Article

Prevalence of Menstrual Disorders according to Body Mass Index and Lifestyle Factors: The National Health Insurance Service-National Health Screening Cohort in Korea, 2009~2016: Park, SoMi , Yoon, Tae Woong , Kang, Dae Ryong , Chung, ChaeWeon; J Korean Acad Nurs 2020;50(3):401-410. Published online June 30, 2020; DOI: https://doi.org/10.4040/jkan.20054

Abstract PDF: Purpose
This study was performed to identify the prevalence of menstrual disorders in Korean women based on body mass index (BMI)and lifestyle factors, by utilizing the Korean National Health Insurance Database.
Methods
A retrospective observational study designwas used for the secondary data analysis. Data of women aged 15 to 49 years who were diagnosed with menstrual disorders were extractedfrom The National Health Insurance Service-National Health Screening Cohort in Korea from 2009 to 2016. The age-standardizedprevalence rate of menstrual disorders was calculated using SAS version 9.4, and a Chi-square test and Cochran-Armitage test were performed.
Results
In total, 2,219,445 cases were extracted from the database. The prevalence of menstrual disorders significantly increasedfrom 8.6% to 11.6% (Z=135.16, p for trend <.001) over the past eight years. In particular, it was higher in underweight womenthan in women with normal weight across all years (Z=-4.18~-14.72, p <.001). Moreover, statistically significant differences in the prevalenceof menstrual disorders were found to be associated with drinking and smoking in all years and with physical activity levels in part(p <.05~.001).
Conclusion
These findings present compelling evidence on the prevalence of menstrual disorders based on a national database.Since the prevalence of menstrual disorders has steadily increased and differs based on BMI and lifestyle factors, educational andclinical interventions are necessary to promote risk awareness and appropriate behavioral changes among Korean women.

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