| A cross-sectional survey of factors influencing bone mass in junior high school students. | |
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MedLine Citation:
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PMID: 23224725 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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OBJECTIVE: The purpose of this study is to investigate factors influencing the osteo-sono assessment index (OSI) in junior high school students (boys, girls who had reached menarche, and girls who had not). METHODS: A total of 9,743 students (4,974 boys and 4,769 girls) in Ehime Prefecture participated in this study. We measured body mass index (BMI) and calcaneal bone mass using OSI. In parallel, participants answered a questionnaire relating to age, sex, menarche, exercise habits, milk intake, and history of bone fractures during the preceding year. To determine the factors influencing OSI, we calculated an individual standardized partial regression coefficient (β) using multiple linear regression (MLR) analysis. RESULTS: For boys, MLR showed that BMI (β = 0.300), age (β = 0.260), current exercise habits (β = 0.106), and milk intake per day in primary school (β = 0.085) statistically significantly influenced OSI. For girls who had reached menarche, BMI (β = 0.302), current exercise habits (β = 0.237), age (β = 0.140), and bone fracture during the preceding year (β = 0.036) influenced OSI. For girls who had not reached menarche, current exercise habits (β = 0.242), BMI (β = 0.135), and age (β = 0.085) influenced OSI. CONCLUSIONS: There were differences between the factors related to OSI among boys, girls who had reached menarche, and girls who had not. BMI, exercise habits, and age were the common factors related to OSI. Particularly for girls, exercise habits had a great influence on OSI. |
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Authors:
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Yuka Tamura; Isao Saito; Yasuhiko Asada; Taro Kishida; Masamitsu Yamaizumi; Tadahiro Kato |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-12-8 |
Journal Detail:
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Title: Environmental health and preventive medicine Volume: - ISSN: 1347-4715 ISO Abbreviation: Environ Health Prev Med Publication Date: 2012 Dec |
Date Detail:
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Created Date: 2012-12-10 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9609642 Medline TA: Environ Health Prev Med Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Applied Bioresource Science, The United Graduate School of Agricultural Sciences, Ehime University, 3-5-7 Tarumi, Matsuyama, Ehime, 790-8566, Japan, tamura.yuka.my@ehime-u.ac.jp. |
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