Table 1
Estimation of standard deviation (SD), by dietary reference intake (DRI) group, household population aged 2 or older, 2004 and 2015

Table 1
Estimation of standard deviation (SD), by dietary reference intake (DRI) group, household population aged 2 or older, 2004 and 2015
Table summary
This table displays the results of Estimation of standard deviation (SD). The information is grouped by Age (appearing as row headers), Sex, Variance components (%), SD (%), (equation) and (equation) (appearing as column headers).
Age	Sex	Variance components (%)					SD (%)
		$C V_{r E I}^{2}$		$C V_{p E R}^{2}$		$C V_{m T E E}^{2}$	SD (%)
		2004	2015	2004	2015	2004 and 2015	2004	2015
Total	Both	32.0	32.0	11.6	11.5	8.2	35.0	35.0
2 to 3	Both	25.8	27.3	10.6	10.7	8.2	29.0	30.5
4 to 8	Both	28.3	28.4	9.2	9.0	8.2	30.8	30.9
9 to 13	Male	30.4	30.5	6.2	6.1	8.2	32.0	32.2
9 to 13	Female	30.2	29.7	8.1	8.0	8.2	32.3	31.9
14 to 18	Male	37.6	33.2	5.9	6.0	8.2	39.0	34.7
14 to 18	Female	32.8	33.6	8.7	8.8	8.2	34.9	35.7
19 to 30	Male	34.3	36.0	11.5	11.5	8.2	37.1	38.6
19 to 30	Female	40.3	35.9	11.7	11.7	8.2	42.8	38.6
31 to 50	Male	33.9	31.9	11.7	12.0	8.2	36.8	35.1
31 to 50	Female	32.7	34.2	12.1	12.2	8.2	35.9	37.2
51 to 70	Male	32.6	32.8	12.8	12.8	8.2	36.0	36.1
51 to 70	Female	33.2	33.3	13.1	13.1	8.2	36.6	36.7
71 or older	Male	27.5	28.4	14.2	14.4	8.2	32.1	32.9
71 or older	Female	30.9	29.1	14.8	14.8	8.2	35.2	33.6
Notes: $C V_{r E I}^{2}$ is within-individual variation in reported energy intake. $C V_{p E R}^{2}$ is within-individual variation in predicted energy requirement. $C V_{m T E E}^{2}$ is within-individual variation in measurement error and day-to-day variation in total energy expenditure (TEE). TEE is based on height, weight, age, sex and body mass index categories. Physical activity levels are assumed to be low active for respondents aged 13 and younger and sedentary for respondents aged 14 and older. Sources: Canadian Community Health Survey, 2004 and 2015.

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