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    The relationship between pedometer-determined physical activity, body mass index and lean body mass index in children.

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    Authors
    Duncan, Michael
    Nevill, Alan M.
    Woodfield, Lorayne
    Al-Nakeeb, Yahya
    Issue Date
    2010
    
    Metadata
    Show full item record
    Abstract
    OBJECTIVE: To cross-sectionally assess weekend to weekday variation of physical activity in British children and to consider the role of Body Mass Index (BMI, W/H(2)) and Lean Body Mass Index (LBMI, H(2)/W) when examining this issue. METHODS: A total of 496 children aged 8-14 years, were measured for height and weight and the activity levels were analysed using pedometers to measure mean step counts for 4 consecutive days (2 weekdays, 2 weekend days). RESULTS: Boys had significantly lower BMI than girls. Higher values for average weekend steps were associated with lower BMI values. BMI values were; however, found to be positively skewed but when the analysis was repeated using LBMI, data was normally distributed and the conclusions remained the same. CONCLUSIONS: Weekday steps are higher than weekend steps for children irrespective of gender or weight status. Mean steps taken during weekend days are significantly associated with reduced BMI in children. These findings may be questioned because BMI is highly skewed and not normally distributed. However, LBMI provides a suitable alternative that is normally distributed and can be used to compare the relationship between weight status and physical activity.
    Citation
    International journal of pediatric obesity, 5 (5): 445-50
    Journal
    International journal of pediatric obesity : IJPO : an official journal of the International Association for the Study of Obesity
    URI
    http://hdl.handle.net/2436/112776
    DOI
    10.3109/17477160903568421
    PubMed ID
    20233151
    Additional Links
    http://informahealthcare.com/doi/abs/10.3109/17477160903568421
    Type
    Journal article
    Language
    en
    ISSN
    1747-7174
    ae974a485f413a2113503eed53cd6c53
    10.3109/17477160903568421
    Scopus Count
    Collections
    Faculty of Education, Health and Wellbeing

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