The obesity epidemic in children: Latino children are disproportionately affected at younger ages

Gilbert C Liu, Tamara Hannon, Rong Qi, Stephen M Downs, David G Marrero, Gilbert C Liu, Tamara Hannon, Rong Qi, Stephen M Downs, David G Marrero

Abstract

Background and objectives: National surveillance clearly illustrates that U.S. children are becoming increasingly overweight. However, the timing of the onset of childhood overweight has not been well-described.

Patients and methods: An accelerated failure time (AFT) model was used to describe the emergence of overweight based on a 12-year collection of height and weight data of over 40,000 children. Race, sex, insurance status and their interactions were specifically examined as predictors of earlier onset of overweight. The outcome of interest was an estimate of the age at which the model predicted that a subgroup would attain a 20% prevalence of overweight.

Results: The three-way interaction of race, sex, and insurance status was a significant predictor of onset of overweight. The model estimated that the publicly insured Latino male subgroup had the earliest onset of overweight, attaining a prevalence of 20% overweight by 4.3 years of age. The emergence of overweight in Latino subjects was significantly earlier than that for black or white subjects, irrespective of sex or insurance status.

Conclusion: Regardless of sex or insurance status, overweight emerges at significantly younger ages in Latino children when compared to black and white children. Substantial numbers of Latino male children are predicted to develop overweight at preschool ages. Obesity prevention may need to be directed toward parents or children well before children enter grade-school.

Keywords: Accelerated failure time; Emergence; Hispanic; Latino; Obesity; Onset.

Figures

Figure 1
Figure 1
Accelerated failure time model results for onset of overweight.

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Source: PubMed

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