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Updated: Sep 28, 2026

Assessment of Child Anthropometry in a Large Epidemiologic Study
Published on: February 2, 2017
Obesity in Iranian children
A R Dorosty1, F Siassi, J J Reilly
1Department of Human Nutrition, University of Glasgow, UK.
Insights
Childhood obesity in Iran is higher than expected, with differing prevalence rates based on measurement methods. Consistent monitoring is crucial, but definitions of obesity must be carefully considered.
Area of Science:
- Pediatrics
- Public Health
- Epidemiology
Background:
- Childhood obesity is a growing global concern.
- Accurate prevalence data is essential for effective public health interventions.
- Different definitions of obesity can lead to varying prevalence estimates.
Purpose of the Study:
- To determine the prevalence of obesity in Iranian children aged 2-5 years.
- To compare obesity prevalence using Iranian reference data versus the International Obesity Task Force (IOTF) criteria.
- To highlight the importance of consistent obesity monitoring in developing countries.
Main Methods:
- A cross-sectional survey of 4315 children aged 2-5 years in Iran.
- Body Mass Index (BMI) was calculated and compared against two different reference standards: Iranian data and IOTF criteria.
- Prevalence rates were analyzed and compared between the two approaches.
Main Results:
- Obesity prevalence was significantly higher than anticipated in the surveyed population.
- Obesity rates increased with age.
- Contradictory trends in prevalence were observed when comparing the Iranian reference data with the IOTF approach.
Conclusions:
- Monitoring childhood obesity using BMI is vital in developing nations.
- Discrepancies in obesity definitions can significantly impact prevalence estimates.
- Careful consideration of obesity definitions is necessary for accurate public health assessments and interventions.
Abstract:
We surveyed 4315 2-5 year olds in Iran. Prevalence of obesity (BMI >95th centile, Iranian reference data) was compared with the recent "IOTF" approach. Prevalence was significantly higher than expected, and increased with age, but contradictory trends were obtained from the two approaches. Monitoring of childhood obesity using the BMI in developing countries is indicated, but differences associated with obesity definition should be considered.
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