Table 1. Association between nutrient intake and GDP, by educational status, adjusted for age and sex.
| Lower Education | Intermediate Education | Higher Education | P-value** | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Slope* | 95% CI | Slope* | 95% CI | Slope* | 95% CI | |||||
| Energy (kcal) | 24 | 5 | 42 | 34 | 30 | 37 | 28 | 21 | 35 | 0·2 |
| Total fat (%E) | 0·2 | -0·02 | 0·4 | 0·05 | 0·004 | 0·09 | -0·2 | -0·3 | -0·1 | <0·001 |
| TFA (%E) | 0·02 | 0·01 | 0·04 | -0·004 | -0·01 | 0·00001 | -0·01 | -0·01 | -0·001 | <0·001 |
| Total sugar (%E) | 0·4 | 0·2 | 0·6 | 0·4 | 0·3 | 0·4 | 0·4 | 0·3 | 0·5 | 0·9 |
| Iron (mg) | -0·03 | -0·16 | 0·09 | -0·004 | -0·03 | 0·02 | -0·10 | -0·16 | -0·05 | 0·004 |
| Total folate (μg) | 2 | -11 | 15 | 18 | 18 | 19 | 14 | 12 | 16 | <0·001 |
| Vitamin D (μg) | 0·10 | 0·03 | 0·17 | 0·17 | 0·15 | 0·19 | 0·10 | 0·03 | 0·16 | 0·04 |
*Slope represents the change in nutrient intake (per unit specified) for each 10% increase in GDP.
** P-value represents the difference between subgroups defined by educational status in estimated association between GDP and nutrient intake.