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Li, Jianghong
Akaliyski, Plamen
Schäfer, Jakob
Kendall, Garth
Oddy, Wendy H.
Stanley, Fiona
Strazdins, Lyndall
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[Journal:] Social Science & Medicine [ISSN:] 0277-9536 [Publisher:] Elsevier [Place:] Amsterdam [Volume:] 186 [Year:] 2017 [Pages:] 52-60
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.
maternal work hours
fathers’ work hours
child BMI
family income
the Raine Study
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