Evaluation of ethnic differences in cardiometabolic risk in children

Ann Epidemiol. 2023 Sep:85:121-126.e7. doi: 10.1016/j.annepidem.2023.05.014. Epub 2023 Jun 8.

Abstract

Purpose: In adults, cardiometabolic conditions manifest differently by ethnicity with South Asians particularly predisposed. Whether these differences arise in childhood remains narrowly explored. To address this evidence gap, we examined whether children of different ethnicities display differences in cardiometabolic risk (CMR).

Methods: A cross-sectional analysis was conducted among 5557 children (3-11 years). Multivariable linear regression models adjusted for age, sex, z-body mass index, and demographic factors were used to estimate differences in CMR outcomes between children with parents that self-reported European ancestry (reference group) and one of 13 other ethnicities (African, Arab, East Asian, Latin American, South Asian, Southeast Asian, Mixed Ethnicities, and Other). The primary outcome was a CMR score, calculated as the sum of age- and sex-standardized waist circumference, systolic blood pressure (SBP), glucose, log-triglycerides, and inverse high-density lipoprotein cholesterol (HDL-C), divided by √5.

Results: Lower mean CMR scores were observed among children with African (β = -0.62, 95% CI: -0.92; -0.32) and East Asian (β = -0.41, 95% CI: -0.68, -0.15) ancestry compared to children with European ancestry. Children with South Asian ancestry had higher SBP (β = 2.25, 95% CI: 1.27, 3.22) and non-HDL-C (β = 0.17, 95% CI: 0.07, 0.26) than children with European ancestry.

Conclusions: Ethnic differences in CMR were observed in early and middle childhood.

Keywords: Blood pressure; Cardiometabolic risk; Children; Cholesterol; Ethnicity; Glucose; Triglycerides; Waist circumference.

MeSH terms

  • Adult
  • Blood Glucose
  • Body Mass Index
  • Cardiometabolic Risk Factors
  • Cardiovascular Diseases* / epidemiology
  • Child
  • Cholesterol
  • Cross-Sectional Studies
  • Ethnicity
  • Humans
  • Triglycerides
  • Waist Circumference / physiology

Substances

  • Blood Glucose
  • Triglycerides
  • Cholesterol