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    Non-linear relationship between maternal work hours and child body weight: Evidence from the Western Australian Pregnancy Cohort (Raine) Study

    253041.pdf (538.5Kb)
    Access Status
    Open access
    Authors
    Li, Jianghong
    Akaliyski, P.
    Schäfer, J.
    Kendall, Garth
    Oddy, W.
    Stanley, F.
    Strazdins, L.
    Date
    2017
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Li, J. and Akaliyski, P. and Schäfer, J. and Kendall, G. and Oddy, W. and Stanley, F. and Strazdins, L. 2017. Non-linear relationship between maternal work hours and child body weight: Evidence from the Western Australian Pregnancy Cohort (Raine) Study. Social Science and Medicine. 186: pp. 52-60.
    Source Title
    Social Science and Medicine
    DOI
    10.1016/j.socscimed.2017.05.046
    ISSN
    0277-9536
    School
    Centre for Population Health Research
    URI
    http://hdl.handle.net/20.500.11937/54024
    Collection
    • Curtin Research Publications
    Abstract

    Using longitudinal data from the Western Australia Pregnancy Cohort (Raine) Study and both random-effects and fixed-effects models, this study examined the connection between maternal work hours and child overweight or obesity. Following children in two-parent families from early childhood to early adolescence, multivariate analyses revealed a non-linear and developmentally dynamic relationship. Among preschool children (ages 2 to 5), we found lower likelihood of child overweight and obesity when mothers worked 24 h or less per week, compared to when mothers worked 35 or more hours. This effect was stronger in low-to-medium income families. For older children (ages 8 to 14), compared to working 35–40 h a week, working shorter hours (1–24, 25–34) or longer hours (41 or more) was both associated with increases in child overweight and obesity. These non-linear effects were more pronounced in low-to-medium income families, particularly when fathers also worked long hours.

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