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Socioeconomic inequalities in obesity among Korean women aged 19-79 years: the 2016 Korean Study of Women’s Health-Related Issues
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Eunji Choi
 , Ha Na Cho, Da Hea Seo, Boyoung Park, Sohee Park, Juhee Cho, Sue Kim, Yeong-Ran Park, Kui Son Choi, Yumie Rhee
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Epidemiol Health. 2019;41:e2019005. Published online February 13, 2019
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DOI: https://doi.org/10.4178/epih.e2019005
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Abstract
OBJECTIVES
While the prevalence of obesity in Asian women has remained stagnant, studies of socioeconomic inequalities in obesity among Asian women are scarce. This study aimed to examine the recent prevalence of obesity in Korean women aged between 19 years and 79 years and to analyze socioeconomic inequalities in obesity.
METHODS Data were derived from the 2016 Korean Study of Women’s Health-Related Issues. The chi-square test and logistic regression analysis were used to analyze the associations between socioeconomic factors and obesity using Asian standard body mass index (BMI) categories: low (<18.5 kg/m2 ), normal (18.5-22.9 kg/m2 ), overweight (23.0-24.9 kg/m2 ), and obese (≥25.0 kg/ m2 ). As inequality-specific indicators, the slope index of inequality (SII) and relative index of inequality (RII) were calculated, with adjustment for age and self-reported health status.
RESULTS Korean women were classified into the following BMI categories: underweight (5.3%), normal weight (59.1%), overweight (21.2%), and obese (14.4%). The SII and RII revealed substantial inequalities in obesity in favor of more urbanized women (SII, 4.5; RII, 1.4) and against of women who were highly educated (SII, -16.7; RII, 0.3). Subgroup analysis revealed inequalities in obesity according to household income among younger women and according to urbanization among women aged 65-79 years.
CONCLUSIONS Clear educational inequalities in obesity existed in Korean women. Reverse inequalities in urbanization were also apparent in older women. Developing strategies to address the multiple observed inequalities in obesity among Korean women may prove essential for effectively reducing the burden of this disease.
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Summary
Korean summary
한국 성인 여성의 과체중 및 비만유병률은 서구여성에 비해 낮으며 2005년 이후 큰 변화 없이 약40%대로 일정하게 유지되어왔으나, 사회경제적불평등에 대한 연구는 체계적으로 이루어지지 않음.
경사불평등(Slope index of inequality)과 상대불평등(Relative index of inequality) 지표를 사용하여 비만유병률에서 발견되는 사회경제적불평등을 조사한 결과, 교육수준별 불평등이 유의하게 나타남.
19-44세의 젊은 여성층에서는 소득수준이 낮은 집단에, 65-79세의 노년기 여성층에서는 도시화된 지역에 사는 집단에 비만유병률이 치중되어있음.
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Citations
Citations to this article as recorded by  - Disparities in Obesity Rates among Adults: Analysis of 514 Districts in Indonesia
Dumilah Ayuningtyas, Dian Kusuma, Vilda Amir, Dwi Hapsari Tjandrarini, Pramita Andarwati
Nutrients.2022; 14(16): 3332. CrossRef - Socioeconomic Disparities in Cardiovascular Health in South Korea
Chi-Young Lee, Eun-Ok Im
Journal of Cardiovascular Nursing.2021; 36(1): 8. CrossRef - Incidence and risk of venous thromboembolism according to primary treatment in women with ovarian cancer: A retrospective cohort study
Jin-Sung Yuk, Banghyun Lee, Kidong Kim, Myoung Hwan Kim, Yong-Soo Seo, Sung Ook Hwang, Sang-Hee Yoon, Yong Beom Kim, Wen-Chi Chou
PLOS ONE.2021; 16(4): e0250723. CrossRef - Regional Differences in Dietary Total Fat and Saturated Fatty Acid Intake and Their Associations with Metabolic Diseases among Korean Adults: Using the 2016~2019 Korea National Health and Nutrition Examination Surveys
SuJin Song, Jae Eun Shim
Korean Journal of Community Nutrition.2021; 26(6): 495. CrossRef - Regional disparities in the associations of cardiometabolic risk factors and healthy dietary factors in Korean adults
Kyungho Ha, YoonJu Song, Hye-Kyeong Kim
Nutrition Research and Practice.2020; 14(5): 519. CrossRef
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National Epidemiologic Survey of Thyroid cancer (NEST) in Korea
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Chang-Mo Oh, Hyun-Joo Kong, Eunyang Kim, Hyejin Kim, Kyu-Won Jung, Sohee Park, Young-Joo Won
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Epidemiol Health. 2018;40:e2018052. Published online October 26, 2018
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DOI: https://doi.org/10.4178/epih.e2018052
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11,449
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Abstract
The Korea Central Cancer Registry conducted the National Epidemiologic Survey of Thyroid cancer (NEST) to investigate changes in the epidemiological and clinical characteristics of thyroid cancer patients between 1999 and 2008. The NEST was designed to collect representative samples of patients with thyroid cancer diagnosed in the years 1999, 2005, and 2008 using a proportionally stratified and systematic random sampling method. Among 42,891 participants diagnosed with thyroid cancer, 5,796 participants were included in the final study population. This survey collected information on diagnostic methods and date, route of diagnosis, prior medical history and history of thyroid-related disease, tumor, lymph node, metastasis and collaborative stage, and treatment. The NEST dataset was also linked to the cause-of-death database from Statistics Korea. The mean age of the study participants was 46.9 years. The ratio of men to women was 1:5.5. In the analysis of the histologic type of cancer, the proportion of papillary thyroid carcinoma showed an increasing trend (p<0.01). In contrast, the proportion of distant metastasis and the mean tumor size of thyroid cancers showed decreasing trends over time (p<0.01, respectively).
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