Statistics Canada
www.statcan.gc.ca
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What is already known on this subject?
Self-reported data underestimate the true prevalence of obesity and overestimate the relationship between obesity and obesity-related health conditions.
For fiscal and logistical reasons, most population health surveillance in Canada is based on self-reported information.
What does this study add?
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Correction factors can be generated to adjust self-reported data to produce more accurate estimates of obesity.
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Although not perfectly predictive of the measured values of body mass index (BMI), corrected values are an improvement over self-reported estimates.
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For future studies examining BMI for adult populations, based on data from the 2005 Canadian Community Health Survey, corrected estimates of BMI are recommened.
