Table 4.
Correlation coefficients of nutrients between the WDRs and the AFFQ for young children and adolescents
| Nutrients | Young children (n = 48) | Adolescents (n = 41) | ||
|---|---|---|---|---|
| crude valuea | adjusted valueb | crude valuea | adjusted valueb | |
| Energy (kcal/day) | 0.57** | 0.31 | ||
| Protein (g/day) | 0.55** | 0.15 | 0.25 | 0.32* |
| Total fat (g/day) | 0.41** | 0.23 | -0.07 | -0.01 |
| Carbohydrate (g/day) | 0.57** | 0.17 | 0.45** | -0.01 |
| Sodium (mg/day) | 0.39** | 0.41** | 0.30 | 0.41** |
| Potassium (mg/day) | 0.54** | 0.53** | 0.25 | 0.34* |
| Calcium (mg/day) | 0.50** | 0.33* | 0.37* | 0.50** |
| Magnesium (mg/day) | 0.50** | 0.68** | 0.16 | 0.17 |
| Phosphorous (mg/day) | 0.54** | 0.28 | 0.28 | 0.25 |
| Iron (mg/day) | 0.41** | 0.27 | 0.25 | 0.44** |
| Zinc (mg/day) | 0.49** | 0.22 | 0.36* | 0.05 |
| Copper (mg/day) | 0.51** | 0.47** | 0.40* | 0.45** |
| Manganese (mg/day) | 0.71** | 0.61** | 0.26 | 0.15 |
| Vitamin A (μgRE/day) | 0.25 | 0.42** | 0.21 | 0.30 |
| Vitamin D (μg/day) | 0.23 | 0.24 | 0.17 | 0.26 |
| Alpha tocopherol (mg/day)‡ | 0.11 | 0.21 | 0.01 | 0.28 |
| Vitamin K (μg/day)‡ | 0.16 | 0.35* | 0.28 | 0.43** |
| Vitamins B1 (mg/day)‡ | 0.48** | 0.37* | 0.02 | 0.22 |
| Vitamins B2 (mg/day)‡ | 0.24 | 0.29 | 0.33* | 0.37* |
| Niacin (mg/day)‡ | 0.22 | 0.34* | 0.34* | 0.38* |
| Vitamin B6 (mg/day)‡ | 0.33* | 0.50** | 0.24 | 0.38* |
| Vitamin B12 (μg/day)‡ | 0.21 | 0.32* | 0.31 | 0.25 |
| Folic acid (μg/day)‡ | 0.18 | 0.46** | 0.16 | 0.43** |
| Pantothenic acid (mg/day)‡ | 0.26 | 0.33* | 0.29 | 0.23 |
| Vitamins C (mg/day)‡ | 0.25 | 0.28 | 0.24 | 0.51** |
| Cholesterol (mg/day)‡ | 0.09 | 0.29* | 0.20 | 0.09 |
| Dietary fiber (g/day)‡ | 0.51** | 0.61** | 0.21 | 0.42** |
| Saturated fatty acid (g/day)‡ | 0.54** | 0.31* | 0.02 | 0.32* |
| Monounsaturated fatty acid (g/day)‡ | 0.35* | 0.19 | -0.13 | 0.02 |
| Polyunsaturated fatty acid (g/day)‡ | 0.13 | 0.16 | -0.09 | 0.23 |
| n-3 polyunsaturated fatty acid (mg/day)‡ | 0.33* | 0.33* | 0.09 | 0.35* |
| n-6 polyunsaturated fatty acid (mg/day)‡ | 0.18 | 0.15 | -0.09 | 0.19 |
| Myristic acid (mg/day)‡ | 0.64** | 0.18 | 0.35* | 0.63** |
| Oleic acid (mg/day)‡ | 0.37* | 0.19 | -0.13 | 0.01 |
| Linoleic acid (mg/day)‡ | 0.17 | 0.16 | -0.09 | 0.20 |
| Alpha-linolenic acid (mg/day)‡ | 0.11 | 0.01 | -0.06 | 0.24 |
| Arachidonic acid (mg/day)‡ | 0.45** | 0.22 | 0.17 | 0.03 |
| Icosapentaenoic acid (mg/day)‡ | 0.44** | 0.39** | 0.27 | 0.34* |
| Docosahexaenoic acid (mg/day)‡ | 0.38** | 0.35* | 0.29 | 0.31 |
a: Unadjusted Pearson correlation coefficient
b: Nutrient intakes were adjusted for age, sex and energy
‡: The data (Alpha tocopherol, Vitamin K, Vitamin B1, Vitamin B2, Niacin, Vitamin B6, and Vitamin 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
WDR: Weighed dietary record
SD: Standard deviation
*p < 0.05, **: p < 0.01