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Child physical development in the UK: the imprint of time and socioeconomic status

Author

Listed:
  • Bénédicte Apouey

    (PSE - Paris-Jourdan Sciences Economiques - ENS-PSL - École normale supérieure - Paris - PSL - Université Paris Sciences et Lettres - INRA - Institut National de la Recherche Agronomique - EHESS - École des hautes études en sciences sociales - ENPC - École nationale des ponts et chaussées - CNRS - Centre National de la Recherche Scientifique, PSE - Paris School of Economics - UP1 - Université Paris 1 Panthéon-Sorbonne - ENS-PSL - École normale supérieure - Paris - PSL - Université Paris Sciences et Lettres - EHESS - École des hautes études en sciences sociales - ENPC - École nationale des ponts et chaussées - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement)

Abstract

Objectives Social health inequalities remain a key policy challenge. The existing literature has not presented a synthetic view on the evolution of inequalities in physical development across childhood. We examine social disparities as children grow older using a range of different outcomes. Study design Population-based secondary data analysis. Methods We employ longitudinal data on British children aged 9 months to 12 years from the Millennium Cohort Study (n = 13,811–18,987) and focus on multiple child physical measures: weight, body mass index (BMI), overweight, fat mass and waist circumference. Results Higher family income is associated with lower BMI (for females), less body fat and a smaller likelihood of overweight (for both genders) on average throughout childhood. When income is multiplied by 3, the probability of overweight decreases by 2.8 (95% CI −0.041 to −0.016) percentage points for females and by 2.7 (95% CI −0.038 to −0.016) percentage points for males. Social inequalities in weight, BMI, overweight and body fat significantly widen as children grow older, for both genders. For instance, for females, when income is multiplied by 3, the probability of overweight decreases by 1.6 (95% CI −0.032 to −0.000) percentage points at ages 2–3 years, but by 8.6 (95% CI −0.112 to −0.060) percentage points at ages 10–12 years. Conclusions The trajectory of social inequalities, which may reflect the cumulative effect of family socioeconomic status, is a precursor of inequalities in adulthood.

Suggested Citation

  • Bénédicte Apouey, 2016. "Child physical development in the UK: the imprint of time and socioeconomic status," PSE-Ecole d'économie de Paris (Postprint) halshs-01496908, HAL.
    • Handle: RePEc:hal:pseptp:halshs-01496908
    DOI: 10.1016/j.puhe.2016.09.004
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    Cited by:

    1. Qi, Di & Wu, Yichao, 2020. "Family’s social economic status and child educational outcomes in China: The mediating effects of parenting practices and children’s learning attitudes," Children and Youth Services Review, Elsevier, vol. 118(C).

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    JEL classification:

    • I14 - Health, Education, and Welfare - - Health - - - Health and Inequality
    • I18 - Health, Education, and Welfare - - Health - - - Government Policy; Regulation; Public Health

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