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Objective <p>This study aimed to estimate the prevalence of overweight and obesity and identify associated sociodemographic and familial factors among school-aged children (6–12 years) in Zhuzhou, China.</p> Methods <p>A multistage cluster sampling strategy was employed to obtain anthropometric data, including weight, height, and waist circumference, from 115,227 children enrolled in 110 primary schools across Zhuzhou. The prevalence rates of overweight and obesity were calculated. Additionally, parental questionnaires were distributed on a voluntary basis to collect sociodemographic and familial data. Binary logistic regression analyses was conducted to identify factors independently associated with overweight and obesity.</p> Results <p>Among the sampled population, the prevalence of overweight and obesity was 13.90% and 8.76%, respectively. Children residing in suburban areas exhibited higher prevalence values than those in urban areas (overweight: 15.12% vs. 13.70%; obesity: 9.41% vs. 8.66%; <i>p</i> &lt; 0.05). Central abdominal obesity was significantly more common than peripheral obesity among children classified as obese (8.11% vs. 0.59%). Boys had a higher prevalence of both overweight and obesity compared with girls (overweight: 15.41% vs. 12.20%; obesity: 12.58% vs. 4.48%). Among children with obesity, the proportion of central obesity was higher in girls than in boys (95.02% vs. 92.64%). Independent risk factors for overweight and obesity included male sex, birth weight &gt; 4&#xa0;kg, parental overweight or obesity, parental educational attainment at the bachelor’s level or higher, and high household socioeconomic status.</p> Conclusion <p>Given that the rate of overweight and obesity among school-age children in Zhuzhou City is relatively high. Targeted early monitoring and weight management interventions are recommended for children with a birth weight &gt; 4&#xa0;kg, particularly males. Preventive strategies should also include health education for families with a history of overweight or obesity, those with higher educational attainment, and those with favorable socioeconomic conditions. The promotion of regular physical activity is essential for reducing the prevalence of overweight and obesity in this population.</p>

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Prevalence and Associated Factors of Overweight and Obesity among School-Aged Children in Zhuzhou, China

  • 期刊论文

  • 发表日期：

    2026年2月28日

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  • Xiao-Min Ye,
  • Qiong Tang,
  • Min-Liang Yan,
  • Li-Juan Yan,
  • Dai Gong,
  • Li Zou,
  • Yi-Can Yang,
  • Xiang-Lan Wen

摘要

Objective

This study aimed to estimate the prevalence of overweight and obesity and identify associated sociodemographic and familial factors among school-aged children (6–12 years) in Zhuzhou, China.

Methods

A multistage cluster sampling strategy was employed to obtain anthropometric data, including weight, height, and waist circumference, from 115,227 children enrolled in 110 primary schools across Zhuzhou. The prevalence rates of overweight and obesity were calculated. Additionally, parental questionnaires were distributed on a voluntary basis to collect sociodemographic and familial data. Binary logistic regression analyses was conducted to identify factors independently associated with overweight and obesity.

Results

Among the sampled population, the prevalence of overweight and obesity was 13.90% and 8.76%, respectively. Children residing in suburban areas exhibited higher prevalence values than those in urban areas (overweight: 15.12% vs. 13.70%; obesity: 9.41% vs. 8.66%; p < 0.05). Central abdominal obesity was significantly more common than peripheral obesity among children classified as obese (8.11% vs. 0.59%). Boys had a higher prevalence of both overweight and obesity compared with girls (overweight: 15.41% vs. 12.20%; obesity: 12.58% vs. 4.48%). Among children with obesity, the proportion of central obesity was higher in girls than in boys (95.02% vs. 92.64%). Independent risk factors for overweight and obesity included male sex, birth weight > 4 kg, parental overweight or obesity, parental educational attainment at the bachelor’s level or higher, and high household socioeconomic status.

Conclusion

Given that the rate of overweight and obesity among school-age children in Zhuzhou City is relatively high. Targeted early monitoring and weight management interventions are recommended for children with a birth weight > 4 kg, particularly males. Preventive strategies should also include health education for families with a history of overweight or obesity, those with higher educational attainment, and those with favorable socioeconomic conditions. The promotion of regular physical activity is essential for reducing the prevalence of overweight and obesity in this population.