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The high prevalence of overweight and obesity in Mexican children
Blanca E del Río-Navarro1, Oscar Velázquez-Monroy, Claudia P Sánchez-Castillo
1Hospital Infantil de Mexico, Federico Gómez, Mexico City, Mexico.
Insights
Overweight and obesity affect Mexican children aged 10-17, with varying rates based on Centers for Disease Control and Prevention (CDC) and International Obesity Task Force (IOTF) criteria. Rates are higher in Northern Mexico, necessitating new public health strategies.
Area of Science:
- Pediatric Endocrinology
- Public Health Nutrition
- Childhood Obesity Research
Background:
- Childhood overweight and obesity represent a significant global health concern.
- Understanding national and regional prevalence is crucial for targeted interventions.
Purpose of the Study:
- To determine the prevalence of overweight and obesity in Mexican children aged 10-17 years.
- To compare prevalence data using Centers for Disease Control and Prevention (CDC) and International Obesity Task Force (IOTF) criteria.
Main Methods:
- Utilized data from the Mexican National Health Survey 2000, including 7862 boys and 8947 girls.
- Measured height and weight to calculate Body Mass Index (BMI) percentiles.
- Applied CDC and IOTF BMI criteria to categorize overweight and obesity.
Main Results:
- Overweight prevalence (CDC) ranged from 10.8% to 19.1% and obesity from 6.8% to 14.7% across age and sex groups.
- IOTF criteria yielded similar overweight rates but lower obesity rates.
- Prevalence did not correlate with stunting, and higher rates were observed in Northern Mexico.
Conclusions:
- Mexican children exhibit lower overweight/obesity prevalence compared to U.S. Mexican-American children.
- Geographic disparities exist, with higher rates in Northern Mexico.
- Urgent need for updated prevention and management policies for excess weight in this population.
Objective:
To establish the prevalence of overweight and obesity in Mexican children 10 to 17 years of age according to the percentiles from both the Centers of Disease Control and Prevention (CDC) and the International Obesity Task Force (IOTF).
Research Methods And Procedures:
Heights and weights were measured in children from nationally representative, randomly chosen households in the Mexican National Health Survey 2000. The study population consisted of 7862 boys and 8947 girls, 10 to 17 years of age. Measurements used were the percentage of children in the corresponding BMI categories for overweight and obesity specified by the CDC and the IOTF BMI percentiles.
Results:
The children were short, with mean Z scores for height by age varying from - 0.62 +/- 1.26 to -1.12 +/- 1.06 in boys and from -0.45 +/- 1.25 to -1.19 +/- 1.12 in girls. CDC-based overweight prevalences varied by age from 10.8% to 16.1% in boys and 14.3% to 19.1% in girls, with obesity prevalences from 9.2% to 14.7% in boys and 6.8% to 10.6% in girls; these prevalences did not relate to stunting. IOTF-based excess weight prevalences were similar, with higher overweight rates (boys, 15.4% to 18.8%; girls, 18.4% to 22.3%) but lower obesity rates (boys, 6.1% to 9%; girls, 5.9% to 8.2%).
Discussion:
Mexican children have one-half the overweight/obesity prevalences of U.S. Mexican-American children; however, there are higher rates in Northern Mexico, which is closer to the U.S. These escalating rates of excess weight demand new prevention, as well as management, policies.
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