Table 1 |
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|
Pearson's correlation coefficient between the first and second FFQs for all subjects |
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|
Nutrients |
CFFQ |
AFFQ |
|
n = 89 |
n = 89 |
|
|
|
||
|
Energy (kcal/day) |
0.73** |
0.80** |
|
Protein (g/day) |
0.77** |
0.73** |
|
Total fat (g/day) |
0.76** |
0.71** |
|
Carbohydrate (g/day) |
0.67** |
0.83** |
|
Sodium (mg/day) |
0.76** |
0.75** |
|
Potassium (mg/day) |
0.77** |
0.72** |
|
Calcium (mg/day) |
0.78** |
0.78** |
|
Magnesium (mg/day) |
0.77** |
0.79** |
|
Phosphorous (mg/day) |
0.79** |
0.77** |
|
Iron (mg/day) |
0.74** |
0.67** |
|
Zinc (mg/day) |
0.79** |
0.76** |
|
Copper (mg/day) |
0.69** |
0.75** |
|
Manganese (mg/day) |
0.72** |
0.39** |
|
Vitamin A (μgRE/day) |
0.72** |
0.72** |
|
Vitamin D (mcg/day) |
0.74** |
0.65** |
|
Alpha tocopherol (mg/day)‡ |
0.76** |
0.73** |
|
Vitamin K (mg/day)‡ |
0.82** |
0.68** |
|
Vitamins B1 (mg/day)‡ |
0.80** |
0.78** |
|
Vitamins B2 (mg/day)‡ |
0.82** |
0.77** |
|
Niacin (mg/day)‡ |
0.80** |
0.77** |
|
Vitamin B6 (mg/day)‡ |
0.82** |
0.77** |
|
Vitamin B12 (μg/day)‡ |
0.76** |
0.71** |
|
Folic acid (μg/day)‡ |
0.81** |
0.67** |
|
Pantothenic acid (mg/day)‡ |
0.84** |
0.79** |
|
Vitamins C (mg/day)‡ |
0.72** |
0.61** |
|
Cholesterol (mg/day)‡ |
0.80** |
0.67** |
|
Dietary fiber (g/day)‡ |
0.78** |
0.77** |
|
Saturated fatty acid (g/day)‡ |
0.81** |
0.80** |
|
Monounsaturated fatty acid (g/day)‡ |
0.78** |
0.74** |
|
Polyunsaturated fatty acid (g/day)‡ |
0.78** |
0.72** |
|
n-3 polyunsaturated fatty acid (mg/day)‡ |
0.56** |
0.72** |
|
n-6 polyunsaturated fatty acid (mg/day)‡ |
0.55** |
0.71** |
|
Myristic acid (mg/day)‡ |
0.71** |
0.82** |
|
Oleic acid (mg/day)‡ |
0.57** |
0.74** |
|
Linoleic acid (mg/day)‡ |
0.54** |
0.71** |
|
Alpha-linolenic acid (mg/day)‡ |
0.58** |
0.70** |
|
Arachidonic acid (mg/day)‡ |
0.61** |
0.68** |
|
Icosapentaenoic acid (mg/day)‡ |
0.56** |
0.63** |
|
Docosahexaenoic acid (mg/day)‡ |
0.55** |
0.65** |
|
|
||
|
‡: The data (Alpha tocopherol, Vitamin K, Vitamins B1, B2, Niacin, B6, and B12) were transformed by natural log to improve normality CFFQ: Food frequency questionnaire for dietary assessment in children AFFQ: Food frequency questionnaire for dietary assessment in adults **: p < 0.01 |
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|
Kobayashi et al. Nutrition Journal 2011 10:27 doi:10.1186/1475-2891-10-27 |
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