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Background <p>The study of overweight and obesity in schoolchildren is crucial for preventing future chronic diseases and improving long-term health, particularly in vulnerable communities. The Yaqui indigenous community is undergoing a transition from a traditional lifestyle to a more modern lifestyle, facing an increased risk of overweight and obesity. This study aimed to assess the prevalence of overweight and obesity among Yaqui schoolchildren (aged 5–11 years) and to identify determinants associated with BMI Z-scores.</p> Methods <p>A cross-sectional study using probabilistic, multistage, and stratified sampling was conducted. Measurements of weight, height, and waist circumference were taken in schoolchildren. Likewise, the mother’s weight and height were recorded. Additionally, questionnaires were administered to assess physical activity, screen time, diet, pediatric clinical history, sociodemographic characteristics, food insecurity, and social support programs.</p> Results <p>In total, 509 schoolchildren, representing 2,779 Yaqui schoolchildren, were evaluated. The prevalence of overweight was 20.7%, obesity 14.9%, and abdominal obesity 21.1%. The factors positively associated with BMI Z-scores included higher maternal BMI, greater birth weight, increased screen time, and higher energy intake. In contrast, the food insecurity score was negatively associated with elevated BMI-for-age Z-scores.</p> Conclusions <p>The prevalence of overweight and obesity among Yaqui schoolchildren was higher than that reported in similar populations. The determinants identified in this study should be considered when designing effective intervention strategies to reduce the prevalence and its consequences at early ages in this indigenous group.</p>

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Prevalence of overweight and obesity and determinants associated with BMI Z-scores in Indigenous Yaqui schoolchildren from Sonora: a representative survey

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年5月30日

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  • Diana Marcela Valenzuela-Guzmán,
  • María Fernanda Cabrer-Rosales,
  • Elsia María Montero-Ruiz,
  • Iván Francisco Reprieto-López,
  • Martin Romero‑Martínez,
  • Araceli Serna-Gutiérrez,
  • Ana Cristina Gallegos-Aguilar,
  • Heliodoro Alemán-Mateo,
  • Rolando Giovanni Díaz-Zavala,
  • Julián Esparza-Romero

摘要

Background

The study of overweight and obesity in schoolchildren is crucial for preventing future chronic diseases and improving long-term health, particularly in vulnerable communities. The Yaqui indigenous community is undergoing a transition from a traditional lifestyle to a more modern lifestyle, facing an increased risk of overweight and obesity. This study aimed to assess the prevalence of overweight and obesity among Yaqui schoolchildren (aged 5–11 years) and to identify determinants associated with BMI Z-scores.

Methods

A cross-sectional study using probabilistic, multistage, and stratified sampling was conducted. Measurements of weight, height, and waist circumference were taken in schoolchildren. Likewise, the mother’s weight and height were recorded. Additionally, questionnaires were administered to assess physical activity, screen time, diet, pediatric clinical history, sociodemographic characteristics, food insecurity, and social support programs.

Results

In total, 509 schoolchildren, representing 2,779 Yaqui schoolchildren, were evaluated. The prevalence of overweight was 20.7%, obesity 14.9%, and abdominal obesity 21.1%. The factors positively associated with BMI Z-scores included higher maternal BMI, greater birth weight, increased screen time, and higher energy intake. In contrast, the food insecurity score was negatively associated with elevated BMI-for-age Z-scores.

Conclusions

The prevalence of overweight and obesity among Yaqui schoolchildren was higher than that reported in similar populations. The determinants identified in this study should be considered when designing effective intervention strategies to reduce the prevalence and its consequences at early ages in this indigenous group.