Korean J Fam Pract 2019; 9(5): 403-407  https://doi.org/10.21215/kjfp.2019.9.5.403
Association of Work-Time, Leisure-Time Physical Activity and Osteoporosis Prevalence: Korea National Health and Nutrition Examination Survey in 2015–2016
Mikyung Lee, Rina Jung, Yoonyoung Jung, Jahyeun Ho, Hyoungmin Kim, Junga Kim, Soohyoung Lee, Ki hyun Park*
Department of Family Medicine, Seoul Medical Center, Seoul, Korea
Ki hyon Park
Tel: +82-2-2276-8513, Fax: +82-2-2276-7377
E-mail: knuck0@seoulmc.or.kr
ORCID: http://orcid.org/0000-0003-4374-3886
Received: July 6, 2018; Revised: October 7, 2018; Accepted: August 30, 2019; Published online: October 20, 2019.
© The Korean Academy of Family Medicine. All rights reserved.

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Background: Physical activity is an important factor for preventing osteoporosis. This study aimed to investigate the association of work- and leisure-time physical activities with osteoporosis in postmenopausal women.
Methods: Data were obtained from the Korea National Health and Nutritional Examination Survey 2015–2016. A total of 2,885 postmenopausal women were included in the analysis. The subjects were divided into 3 groups according to the intensity of the work- and leisure-time physical activities. T-test, chi-square test, and multivariable logistic regression analysis were used.
Results: No association was found between work-time physical activity and osteoporosis prevalence. However, a dose-response relationship was found in case of leisure-time physical activity. People with leisure-time physical activity of at least >1,000 MET-min/week showed lower prevalence of osteoporosis.
Conclusion: An appropriate level of leisure-time physical activity should be recommended to prevent and treat osteoporosis.
Keywords: Osteoporosis; Physical Activity; Work; Leisure
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