Table 3
Under-reporting of selected nutrients, household population aged 12 or older, Canada excluding territories, 2004

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Nutrients Average or percentage  Under-reporting
All respondents Plausible respondents % difference between plausible and all respondents 95% confidence interval
from to
Energy (kilocalories) 2,173 2,349 8.1 6.6 9.6
Proteins (grams) 87.6 92.6 5.7 3.9 7.6
% of calories 16.2 15.6 -3.3 -4.5 -2.2
Carbohydrates (grams) 270 291 8 6.4 9.5
% of calories 49.7 49.2 -0.9 -1.6 -0.3
Fats (grams) 79.4 86.8 9.3 7.4 11.3
% of calories 31.5 32.4 2.8 2 3.7
Monounsaturated fats (grams) 31.9 35 9.7 7.5 11.9
% of calories 12.6 13 3.7 2.7 4.7
Polyunsaturated fats (grams) 14 15.3 9 6.6 11.4
% of calories 5.6 5.7 2.8 1.4 4.1
Saturated fats (grams) 25.9 28.3 9.4 7.3 11.5
% of calories 10.3 10.6 2.7 1.4 3.9
Alcohol (grams) 9.2 10.1 8.8 1.1 16.6
Caffeine (milligrams) 210 211 0.6 -2.8 4
Water (grams) 2,765 2,833 2.4 1.2 3.7
Cholesterol (milligrams) 285 301 5.5 3 8
Dietary fibre (grams) 17.5 18.5 6.1 4.2 8
Sugar (grams) 111 121 9.6 7.8 11.5
Vitamin D (micrograms) 5.9 6.3 7.3 3 11.7
Vitamin C (milligrams) 131 140 6.9 4.3 9.4
Vitamin B12 (micrograms) 4.5 4.6 3.3 -1.6 8.2
Vitamin B6 (milligrams) 1.9 2 5.1 3.1 7.2
Vitamin A (micrograms) 713 759 6.4 2.5 10.4
Niacin (milligrams) 40.5 42.8 5.6 3.8 7.4
Riboflavin (milligrams) 2 2.1 7.2 5.6 8.8
Thiamin (milligrams) 1.8 1.9 6.8 4.9 8.8
Dietary folate equivalent (micrograms) 474 510 7.5 5.7 9.2
Folic acid (micrograms) 128 138 8.3 5.2 11.3
Naturally occurring folate (micrograms) 237 252 6.4 4.6 8.2
Calcium (milligrams) 907 983 8.3 6.4 10.2
Sodium (milligrams) 3,222 3,429 6.4 4.7 8.2
Iron (milligrams) 14.7 15.6 6.1 4.3 8
Magnesium (micrograms) 331 352 6.2 4.7 7.7
Phosphorus (milligrams) 1,387 1,479 6.7 5 8.3
Potassium (milligrams) 3,156 3,331 5.6 4.1 7.1
Zinc (milligrams) 11.6 12.3 5.7 3.7 7.7
Note: Ratio of energy intake (EI) to energy expenditure (EE) of plausible respondents is between 0.70 and 1.42.
Source: 2004 Canadian Community Health Survey – Nutrition.