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. 2004 Aug 3;171(3):240-2.
doi: 10.1503/cmaj.1040075.

Prevalence of overweight and obesity in a provincial population of Canadian preschool children

Patricia M Canning  1 , Mary L Courage, Lynn M Frizzell
Affiliations

Prevalence of overweight and obesity in a provincial population of Canadian preschool children

Patricia M Canning et al. CMAJ. .

Abstract

Background: More and more school-aged children in Canada and elsewhere are becoming overweight or obese. Many countries are now reporting a similar trend among preschool children. However, little information is available on the prevalence of overweight and obesity among preschool children in Canada. In addition, available data are based on reported rather than measured heights and weights. We conducted this study to determine the prevalence of overweight and obesity, using measured heights and weights, in the 1997 cohort of children aged 3-5 years born in Newfoundland and Labrador.

Methods: We calculated the body mass indices (BMIs) using heights and weights measured by public health nurses during the province-wide Preschool Health Check Program conducted between October 2000 and January 2003. Descriptive data on the children's BMIs and prevalence estimates were generated and analyzed by sex and age with the use of the classification system recommended by the International Obesity Task Force.

Results: Data were available for 4161 of the 5428 children born in 1997; boys and girls were equally represented (50.1% and 49.9% respectively). Overall, 25.6% of the preschool children in the cohort were overweight or obese. The rates did not differ significantly by sex or age group.

Interpretation: These results indicate that a high proportion of children aged 3-5 years in Newfoundland and Labrador are overweight or obese. It appears that prevention measures should begin before the age of 3 years.

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Figures

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Fig. 1: Prevalence of overweight (squares) and obesity (triangles) among preschool children in Newfoundland and Labrador, by sex and age group. Error bars represent 95% confidence intervals.
See this image and copyright information in PMC

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