Table 3
Mean body mass index (BMI) for self-reported, measured and corrected data, by sex, household population aged 18 to 79, Canada, 2008

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  Self-reported Measured Corrected
Based on 2007 to 2009 Canadian Health Measures Survey Based on 2005 Canadian Community Health Survey
Mean Bias 95% confidence interval Mean Mean Bias 95% confidence interval Mean Bias 95% confidence interval
from to from to from to
Men 26.4* -1.2 -1.4 -1.0 27.5 26.9* -0.6 -0.8 -0.4 27.3* -0.2 -0.4 0.0
Women 25.4* -1.5 -1.7 -1.2 26.9 26.2* -0.7 -0.9 -0.5 26.6* -0.3 -0.5 -0.1
* significantly different from measured estimate (p < 0.05)
Note: The bias is the mean of the difference between the self-reported/corrected value and the measured value.
Source: 2008 Canadian Community Health Survey (subsample).