Associations of sitting time and occupation with metabolic syndrome in South Korean adults: a cross-sectional study

Abstract Background Previous evidence suggests that there is a correlation between prolonged sitting time and cardio-metabolic disease, such as metabolic syndrome (MS). Cardiovascular disease is the second-leading cause of mortality in South Korea, a country with the longest working hours among all...

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Main Authors: Jin Young Nam, Juyoung Kim, Kyung Hee Cho, Young Choi, Jaewoo Choi, Jaeyong Shin, Eun-Cheol Park
Format: Article
Language:English
Published: BMC 2016-09-01
Series:BMC Public Health
Subjects:
Online Access:http://link.springer.com/article/10.1186/s12889-016-3617-5
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author Jin Young Nam
Juyoung Kim
Kyung Hee Cho
Young Choi
Jaewoo Choi
Jaeyong Shin
Eun-Cheol Park
author_facet Jin Young Nam
Juyoung Kim
Kyung Hee Cho
Young Choi
Jaewoo Choi
Jaeyong Shin
Eun-Cheol Park
author_sort Jin Young Nam
collection DOAJ
description Abstract Background Previous evidence suggests that there is a correlation between prolonged sitting time and cardio-metabolic disease, such as metabolic syndrome (MS). Cardiovascular disease is the second-leading cause of mortality in South Korea, a country with the longest working hours among all member states of the Organization for Economic Co-operation and Development. However, no previous study has investigated the relationships of overall sitting-time and occupation with MS in South Korea. Accordingly, the present study examined these relationships in a South Korean population. Methods Data from the sixth Korean National Health and Nutrition Examination Survey (KNHANES), a nationally representative survey with a cross-sectional design, were used in the present study. MS diagnoses were evaluated using the International Diabetes Foundation (IDF) criteria. Participants self-reported their overall sitting times, and occupations were classified using the Korean version of the Standard Classification of Occupations (KSCO). A multiple logistic regression analysis was conducted to evaluate the associations of sitting time and occupation with MS. Results The risk of MS was 1.21-fold higher among participants who sat for >7 h/day than among those who sat for ≤7 h/day (odds ratio [OR]: 1.21, 95 % confidence interval [CI]: 1.00–1.46). Regarding occupation, office workers had a two-fold higher risk of MS than did agriculture, forestry, and fishery (AFF) workers (OR: 2.01, 95 % CI: 1.26–3.22). In a combined analysis of sitting time and occupation, male participants who sat for >7 h/day and reported an occupation that involves office work (OW) or machine fitting (MF) were significantly more likely to have MS when compared to those who sat for ≤7 h/day and were employed as AFF workers (>7 h/day × OW, OR: 2.41, 95 % CI: 1.05–5.51; >7 h/day × MF, OR: 2.92, 95 % CI: 1.43–5.93). Conclusions Excessive sitting time and a sedentary occupation correlated positively with MS in South Korean adults. Accordingly, a reduction in the overall sitting time or inclusion of energy-expending activities in the workplace might improve the rate of MS.
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spelling doaj.art-c27d85a539a542848b607fd84a92c35a2022-12-21T18:18:57ZengBMCBMC Public Health1471-24582016-09-0116111010.1186/s12889-016-3617-5Associations of sitting time and occupation with metabolic syndrome in South Korean adults: a cross-sectional studyJin Young Nam0Juyoung Kim1Kyung Hee Cho2Young Choi3Jaewoo Choi4Jaeyong Shin5Eun-Cheol Park6Department of Public Health, Graduate School, Yonsei UniversityDepartment of Public Health, Graduate School, Yonsei UniversityDepartment of Public Health, Graduate School, Yonsei UniversityDepartment of Public Health, Graduate School, Yonsei UniversityDepartment of Public Health, Graduate School, Yonsei UniversityInstitute of Health Services Research, Yonsei UniversityInstitute of Health Services Research, Yonsei UniversityAbstract Background Previous evidence suggests that there is a correlation between prolonged sitting time and cardio-metabolic disease, such as metabolic syndrome (MS). Cardiovascular disease is the second-leading cause of mortality in South Korea, a country with the longest working hours among all member states of the Organization for Economic Co-operation and Development. However, no previous study has investigated the relationships of overall sitting-time and occupation with MS in South Korea. Accordingly, the present study examined these relationships in a South Korean population. Methods Data from the sixth Korean National Health and Nutrition Examination Survey (KNHANES), a nationally representative survey with a cross-sectional design, were used in the present study. MS diagnoses were evaluated using the International Diabetes Foundation (IDF) criteria. Participants self-reported their overall sitting times, and occupations were classified using the Korean version of the Standard Classification of Occupations (KSCO). A multiple logistic regression analysis was conducted to evaluate the associations of sitting time and occupation with MS. Results The risk of MS was 1.21-fold higher among participants who sat for >7 h/day than among those who sat for ≤7 h/day (odds ratio [OR]: 1.21, 95 % confidence interval [CI]: 1.00–1.46). Regarding occupation, office workers had a two-fold higher risk of MS than did agriculture, forestry, and fishery (AFF) workers (OR: 2.01, 95 % CI: 1.26–3.22). In a combined analysis of sitting time and occupation, male participants who sat for >7 h/day and reported an occupation that involves office work (OW) or machine fitting (MF) were significantly more likely to have MS when compared to those who sat for ≤7 h/day and were employed as AFF workers (>7 h/day × OW, OR: 2.41, 95 % CI: 1.05–5.51; >7 h/day × MF, OR: 2.92, 95 % CI: 1.43–5.93). Conclusions Excessive sitting time and a sedentary occupation correlated positively with MS in South Korean adults. Accordingly, a reduction in the overall sitting time or inclusion of energy-expending activities in the workplace might improve the rate of MS.http://link.springer.com/article/10.1186/s12889-016-3617-5Sitting-timeSedentary behaviorOccupationMetabolic syndrome
spellingShingle Jin Young Nam
Juyoung Kim
Kyung Hee Cho
Young Choi
Jaewoo Choi
Jaeyong Shin
Eun-Cheol Park
Associations of sitting time and occupation with metabolic syndrome in South Korean adults: a cross-sectional study
BMC Public Health
Sitting-time
Sedentary behavior
Occupation
Metabolic syndrome
title Associations of sitting time and occupation with metabolic syndrome in South Korean adults: a cross-sectional study
title_full Associations of sitting time and occupation with metabolic syndrome in South Korean adults: a cross-sectional study
title_fullStr Associations of sitting time and occupation with metabolic syndrome in South Korean adults: a cross-sectional study
title_full_unstemmed Associations of sitting time and occupation with metabolic syndrome in South Korean adults: a cross-sectional study
title_short Associations of sitting time and occupation with metabolic syndrome in South Korean adults: a cross-sectional study
title_sort associations of sitting time and occupation with metabolic syndrome in south korean adults a cross sectional study
topic Sitting-time
Sedentary behavior
Occupation
Metabolic syndrome
url http://link.springer.com/article/10.1186/s12889-016-3617-5
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