Table 1
Estimation of standard deviation (SD), by age group and sex, household population aged 12 or older, 2004

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Age group and sex Size of double- recall sample Table 1, Formula 1
Table 1, Formula 2
Table 1, Formula 3
Standard Deviation
Total 5,581 32.6 10.6 8.2 35.3
12 to 13
Male 298 30.3 5.4 8.2 31.8
Female 257 28.3 7.4 8.2 30.4
14 to 18
Male 566 33.2 4.8 8.2 34.5
Female 583 33.6 7.2 8.2 35.4
19 to 30
Male 402 36.0 10.4 8.2 38.3
Female 552 35.9 10.5 8.2 38.3
31 to 50
Male 410 31.9 11.0 8.2 34.7
Female 512 34.2 10.8 8.2 36.8
51 to 70
Male 434 32.8 11.7 8.2 35.8
Female 619 33.3 11.6 8.2 36.2
71 or older
Male 331 28.4 13.3 8.2 32.4
Female 617 29.1 13.4 8.2 33.0
Note: Table 1 formula 1 is within-individual variation in reported energy intake. Table 1 formula 2 is within-individual variation in predicted energy requirement. Table 1 formula 3 is within-individual variation in measurement error and day-to-day variation in total energy requirement (TEE).
Sources: 2004 Canadian Community Health Survey - Nutrition.