Obesity prevalence estimates in a Canadian regional population of preschool children using variant growth references
2011

Obesity Rates in Preschool Children in Canada

Sample size: 1026 publication 10 minutes Evidence: moderate

Author Information

Author(s): Laurie K Twells, Leigh A Newhook

Primary Institution: Memorial University

Hypothesis

How do different growth references affect the prevalence estimates of overweight and obesity in preschool children?

Conclusion

The CDC reported a much higher prevalence of obesity compared to the other references, indicating that the prevalence of childhood obesity is dependent on the growth reference used.

Supporting Evidence

  • The CDC classified twice as many children as obese compared to the IOTF.
  • The prevalence of overweight was reported as 19.1% by CDC and 18.2% by IOTF.
  • The WHO reported a higher prevalence of obesity at 26.7%.

Takeaway

This study looked at how many preschool kids in Canada are overweight or obese using different methods. It found that the way we measure can change the results a lot.

Methodology

Weights and heights of preschool children were measured, and BMI was calculated using three different growth references.

Potential Biases

There may be inconsistencies in classification due to the different growth references used.

Limitations

The study used a non-random sample from one region in Canada.

Participant Demographics

The sample consisted of 1026 preschool children with a mean age of 4.5 years, including 537 boys and 489 girls.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1186/1471-2431-11-21

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