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KMID : 1039620150050010018
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Korean Journal of Family Practice
2015 Volume.5 No. 1 p.18 ~ p.24
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Association between Osteoporosis and Sleep Duration in over Fifty Year Old Men and Postmenopausal Women
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Kim Jin-Seo
Shin Hyun-Young
Kwon Yong-Sung
Kang Hee-Cheol
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Abstract
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Background: Osteoprosis and osteoporosis induced fracture are well-known to limit social activity of elderly. In recent studies, it has been demonstrated the relation between sleep duration and metabolic syndrom such as obesity and hypertension. In this study, we study the association between sleep duration and osteoporosis.
Methods: The data from the 2010 Korean National health and Nutrition Survey was used, and 1,243 subjects aged 50 years and 1,562 subjects postmanopausal women were included in the analysis. We defined age, sex, body mass index, smoking, alcohol, regular exercise, bone mineral density, hypertension, diabetes mellitus, dyslipidemia through screening survey, self-reported questionnaires and alimentary survey. Sleep duration was categorized into 5 groups based on the average number of sleeping hour per day (≤5 hour, 6 hour, 7 hour, 8 hour, and ≥9 hour). We analyzed the association between sleep duration and osteoporosis by multiple logistic regression with weighted method. Group of ≤5 hour served as the reference group.
Results: Chracteristics of group of osteoporosis and no osteoporosis were compared by average daily sleep duration. On ≤5 hour and 7 hour, there are more percentile in group of osteoporosis than group of no osteoporosis. On 6 hour, 8 hour, and ≥9 hour, there are more percentile in group of no osteoporosis, which were statistically significant (P-value=0.03). Risk of osteoporosis was increased by long sleep duration: 6 hour (odds ratio [OR], 1.19), 7 hour (OR, 1.27), 8 hour (OR, 0.93) and ≥9 hour (OR, 0.76) without statistically significance.
Conclusion: There are no significant relation between sleep duration and osteoporosis.
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KEYWORD
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Sleep Duration, Osteoporosis, Bone Density
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