Cross-validation of pedometer-determined cut-points for healthy weight in British children from White and South Asian backgrounds

Michael J. Duncan, Emma Eyre, E. Bryant, Samantha Birch

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    Abstract

    Background: Evidence-based pedometer cut-points for health have not been sufficiently examined in the context of ethnicity. Objective: To (1) evaluate previously described steps/day cut-points in a sample of White and South Asian British primary school children and (2) use ROC analysis to generate alternative, ethnic specific, steps/day cut-offs for children. Methods and procedures: Height, body mass and pedometer determined physical activity were assessed in 763 British children (357 boys and 406 girls) from White (n=593) and South Asian (n=170) ethnic groups, aged 8-11 years. Results: The Vincent and Pangrazi cut-points significantly predicted BMI in white (p=0.006, Adjusted R 2 =0.08) and South Asian children (p=0.039, Adjusted R 2 =0.078). The Tudor-Locke et al. cut-points significantly predicted BMI in White children (p=0.0001, Adjusted R 2 =0.079) but not South Asian children (p
    Original languageEnglish
    Pages (from-to)389-394
    JournalAnnals of Human Biology
    Volume41
    Issue number5
    Early online date6 Feb 2014
    DOIs
    Publication statusPublished - 2014

    Bibliographical note

    This is an electronic version of an article published in Annals of Human Biology, 41 (5), pp. 389-394. Annals of Human Biology is available online at: http://informahealthcare.com/doi/abs/10.3109/03014460.2014.881919 .

    Keywords

    • ambulatory physical activity
    • ethnicity
    • obesity
    • overweight

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