The Biological and Social Determinants of Childhood Obesity:Comparison of 2 Cohorts 50 Years Apart

Robinson, Natassia and McKay, Jill A. and Pearce, Mark S. and Albani, Viviana and Wright, Charlotte M. and Adamson, Ashley J. and Brown, Heather (2021) The Biological and Social Determinants of Childhood Obesity:Comparison of 2 Cohorts 50 Years Apart. Journal of Pediatrics, 228. 138-146.e5. ISSN 0022-3476

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Abstract

Objective: To determine whether the same relationships between early-life risk factors and socioeconomic status (SES) with childhood body mass index (BMI) are observed in a modern cohort (2000) compared with a historic cohort (1947). Study design: The relationships between early-life factors and SES with childhood BMI were examined in 2 prospective birth cohorts from the same region, born 50 years apart: 711 children in the 1947 Newcastle Thousand Families Study (NTFS) and 475 from the 2000 Gateshead Millennium Study (GMS). The associations between birth weight, breastfeeding, rapid infancy growth (0-12 months), early-life adversity (0-12 months), and parental SES (birth and childhood) with childhood BMI z-scores and whether overweight/obese (BMI >91st percentile using UK 1990 reference) aged 9 years were examined using linear regression, path analyses, and logistic regression. Results: In the NTFS, the most advantaged children were taller than the least (+0.91 height z-score, P = .001), whereas in GMS they had lower odds of overweight/obese than the least (0.35 [95% CI 0.14-0.86]). Rapid infancy growth was associated with increased BMI z-scores in both cohorts, and with increased likelihood of overweight/obese in GMS. Conclusions: This study suggests that children exposed to socioeconomic disadvantage or who have rapid infancy growth in modern environments are now at lower risk of growth restriction but greater risk of overweight.

Item Type:
Journal Article
Journal or Publication Title:
Journal of Pediatrics
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2700/2735
Subjects:
ID Code:
169429
Deposited By:
Deposited On:
26 Apr 2022 15:30
Refereed?:
Yes
Published?:
Published
Last Modified:
03 May 2022 03:34