Table 3.
Mean daily intakes of nutrient by quartile categories of the DGAI 2005*, † in adult participants of the Tehran Lipid and Glucose Study
| Nutrient | DGAI 2005 quartile category | |||
|---|---|---|---|---|
| 1 | 2 | 3 | 4 | |
| DGAI range | 2.50-7.00 | 7.25-8.25 | 8.50-9.50 | 9.75-15.00 |
| No. of participants | 700 | 629 | 580 | 601 |
| Energy (kcal) | 2,219 | 2,194 | 2,251 | 2,374 |
| Total fibre (g) | 26.2 | 28.3 | 32.0 | 32.9 |
| Carbohydrate (g) | 307 | 328 | 336 | 350 |
| Protein (g) | 69.8 | 71.9 | 76.8 | 85.1 |
| Total fat (g) | 87.6 | 77.4 | 75.4 | 74.1 |
| Saturated fat (g) | 30.8 | 27.3 | 25.0 | 23.0 |
| Polyunsaturated fat (g) | 18.8 | 17.0 | 16.0 | 14.3 |
| Monounsaturated fat (g) | 31.4 | 28.0 | 26.2 | 23.9 |
| n-3 fatty acids (g) | 1.3 | 1.2 | 1.1 | 1.0 |
| Trans-fat (g) | 4.8 | 3.9 | 3.4 | 2.4 |
| Cholesterol (mg) | 258 | 223 | 220 | 203 |
| Vitamin C (mg) | 98 | 114 | 147 | 190 |
| Vitamin E (mg TE) | 7.9 | 7.7 | 7.8 | 8.1 NS |
| Folate (µg) | 479 | 501 | 530 | 567 |
| Vitamin B-12 (µg) | 4.2 | 4.0 | 4.1 | 4.1 NS |
| Vitamin D (µg) | 1.92 | 1.92 | 2.00 | 2.02 NS |
| Beta-carotene (µg) | 2,253 | 2,789 | 3,574 | 5,469 |
| Sodium (mg) | 4,852 | 4,652 | 4,360 | 4,114 |
| Potassium (mg) | 2,919 | 3,168 | 3,618 | 4,343 |
| Calcium (mg) | 990 | 1,010 | 1,092 | 1,202 |
| Phosphorus (mg) | 1,300 | 1,356 | 1,450 | 1,622 |
| Zinc (mg) | 10.5 | 11.2 | 11.7 | 12.5 |
| Magnesium (mg) | 309 | 341 | 374 | 436 |
| Iron (mg) | 13.4 | 14.2 | 15.3 | 16.7 |
| Vitamin A (RAE) | 460 | 467 | 537 | 715 |
*Values are adjusted for total reported energy intake, age, and gender, except for energy intake. The p value for trend was calculated using the linear regression coefficient for the DGAI score for each subject. p<0.001 for all nutrients, except otherwise listed;
†Only micronutrients from food sources are presented.
DGAI=Dietary Guidelines for the Americans Adherence Index;
NS=Non-significant; RAE=Retinol
activity equivalents; TE=Tocopherol