Journal of Korean Academy of Nursing

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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Menstrual Attitudes and Maternal Child Rearing Attitudes in Middle School Female Students: Kyoung Ja Hong, Hae Won Kim, Hye Young Ahn; J Korean Acad Nurs 2008;38(5):748-757. Published online October 30, 2008; DOI: https://doi.org/10.4040/jkan.2008.38.5.748

Abstract PDF: Purpose
This correlational study was performed to identify the impacts of maternal child rearing attitudes on the menstrual attitudes and the determinants of positive menstrual attitudes in female middle school students.
Methods
With convenience sampling, 198 middle school female students were recruited living in one major city and its surrounding areas in Korea. Data was collected using a self administered questionnaire including menstrual attitudes and maternal child rearing attitudes from April 1 to July 15, 2008.
Results
Among the Maternal child rearing attitudes, affectionate, achievement oriented and rational attitudes had positive correlations to a positive menstrual attitude, and an autonomous attitude had a negative correlation to a negative menstrual attitude. As determinants of positive menstrual attitudes, feeling of menarche, mother's response at first menstruation, and rational maternal child rearing attitudes were delineated and their explained variance for a positive menstrual attitude was 18.5%. There was no difference on menstrual attitudes by K clustering in terms of maternal child rearing attitudes.
Conclusion
These results support the critical role of the mother. Especially desirable maternal child rearing attitudes in relation to a positive menstrual attitude would be affectionate, achievement oriented and rational for early adolescent girls. In further studies, considerations are needed for menstruation related education and research for early adolescents and active involvement of the mother & daughter together.

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A Study on Isoflavones Intake From Soy Foods and Perimenstrual Symptoms: Hae Won Kim, Jin Mo Khil; Journal of Korean Academy of Nursing 2007;37(3):276-285. Published online April 30, 2007; DOI: https://doi.org/10.4040/jkan.2007.37.3.276

Abstract PDF: Purpose
This study was conducted to explore the relationship between isoflavones intake from soy foods and perimenstrual symptoms among women.
Methods
The research design was a cross sectional study. Subjects consisted of 245 women living in Korea, aged 19-49 years. The measurement tools were MDQ and FFQ.
Results
Frequently consumed soy isoflavones foods were rice with soybeans, soybean paste stew, and soy paste with tofu. The amounts of soy isoflavones foods consumed in order from highest to lowest were rice with soybeans, soybean paste stew, seasoned soybean sprouts, and soy paste with tofu. Subjects were divided into three groups by isoflavones intake levels; the small intake group, moderate intake group, and large intake group. There were significant differences in some menstrual symptoms, and postmenstrual symptoms by isoflavones intake levels. In general, the moderate isoflavones intake group showed lower scores in some menstrual symptoms and postmenstrual periods compared to the small and large intake groups.
Conclusions
These results suggest some positive health effects of isoflavones from soy foods on perimenstrual symptoms. More accurate, objective measurement needs to be applied and more investigation of soy isoflavones effects on many aspects of women's health need to be done in a future study.

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