Influence of early-life risk factors on socioeconomic inequalities in weight gain

Iguacel, Isabel, Chung, Alexandra, Gearon, Emma, Moreno, Luis A, Peeters, Anna and Backholer, Kathryn 2018, Influence of early-life risk factors on socioeconomic inequalities in weight gain, Journal of public health, pp. 1-9, doi: 10.1093/pubmed/fdy056.

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Title Influence of early-life risk factors on socioeconomic inequalities in weight gain
Author(s) Iguacel, Isabel
Chung, Alexandra
Gearon, Emma
Moreno, Luis A
Peeters, AnnaORCID iD for Peeters, Anna
Backholer, KathrynORCID iD for Backholer, Kathryn
Journal name Journal of public health
Start page 1
End page 9
Total pages 9
Publisher Oxford University Press
Place of publication Oxford, Eng.
Publication date 2018-03-26
ISSN 1741-3850
Keyword(s) childhood obesity
maternal obesity
socioeconomic deprivation
Summary Background: Previous research has examined the role of early-life risk factors on childhood weight gain.The extent to which these factors drive socioeconomic differences in weight is unclear. We aimed to quantify the influence of early-life risk factors on the development of socioeconomic inequalities in children's body mass index (BMI) z-score at 10-11 years. Methods: Overall, 2186 children from the Longitudinal Study of Australian Children were examined. Socioeconomic position (SEP) was measured as a continuous composite of parent's education, occupation and income. The Product of Coefficients mediation method was used to quantify the contribution of maternal smoking during pregnancy, gestational diabetes, prematurity, caesarean section, birthweight, not being breastfed, early introduction of solid food, maternal BMI and paternal BMI to the relationship between SEP and BMI z-score. Results: Each increasing decile of SEP (higher SEP) was associated with a 0.05 unit lower (95% CI: -0.06, -0.03) BMI z-score at 10-11 years. In total, 83.5% of these differences in BMI z-score could be explained by socioeconomic differences in maternal smoking during pregnancy (26.9%), maternal BMI (39.6%) and paternal BMI (17.0%). Conclusions: Interventions to reduce socioeconomic inequalities in excess weight gain during childhood should support the attainment of a healthy parental weight and prevent smoking during pregnancy.
Notes In press
Language eng
DOI 10.1093/pubmed/fdy056
Field of Research 1117 Public Health And Health Services
Copyright notice ©2018, The Authors
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Document type: Journal Article
Collections: School of Health and Social Development
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