Table 2.
SDQ | FFQ | ||||
---|---|---|---|---|---|
Median | IQR | Median | IQR | P value* | |
Nutrients for which the SDQ gave a higher estimated intake compared with the FFQ | |||||
Protein (g/MJ per d) | 10·4 | 2·0 | 9·0 | 1·9 | <0·001 |
Carbohydrate (g/MJ per d) | 28·8 | 4·1 | 26·9 | 4·9 | <0·001 |
Ca (mg/MJ per d) | 105·9 | 45·9 | 82·9 | 41·3 | <0·001 |
Se (μg/MJ per d) | 4·6 | 2·1 | 3·6 | 1·4 | <0·001 |
Zn (mg/MJ per d) | 1·4 | 0·3 | 1·1 | 0·3 | <0·001 |
Nutrients for which the FFQ gave a higher estimated intake compared with the SDQ | |||||
Fat (g/MJ per d) | 7·9 | 1·7 | 10·2 | 2·2 | <0·001 |
Fe (mg/MJ per d) | 1·2 | 0·3 | 1·6 | 0·3 | <0·001 |
Nutrient for which no statistically significant difference in intake between the SDQ and the FFQ was found | |||||
Alcohol (g/MJ per d)† | 0·3 | 0·5 | 0·4 | 0·4 | 0·73 |
IQR, interquartile range.
Data are presented as median and interquartile range of energy-adjusted intakes.
*P value derived from the Wilcoxon signed-rank test for the difference in intakes assessed with the two questionnaires.
†For the fifty-eight women who reported to consume alcohol.