Table 2.
Dietary nutrients and food group intake across tertiles of DASH diet score in 3218 participants of the Tehran Lipid and Glucose Study.
| Nutrient and food groups | Tertiles of DASH score | P for trend | ||
|---|---|---|---|---|
| Tertile 1 (n = 1220) | Tertile 2 (n = 1070) | Tertile 3 (n = 928) | ||
| DASH score (median) | 20.0 | 24.0 | 29.0 | |
| Vegetables (g/1000 Kcal) | 112.2 ± 60.0 | 147.1 ± 80.4 | 192.8 ± 108.9 | <0.001 |
| Fruits (g/1000 Kcal) | 117.5 ± 101.1 | 162.6 ± 114.7 | 229.3 ± 151.6 | <0.001 |
| Whole grains (g/1000 Kcal) | 52.3 ± 41.6 | 60.9 ± 41.4 | 62.7 ± 38.8 | <0.001 |
| Nuts and legumes (g/1000 Kcal) | 17.8 ± 13.2 | 21.7 ± 14.4 | 27.6 ± 18.6 | <0.001 |
| Low-fat dairy (g/1000 Kcal) | 83.7 ± 68.7 | 112.4 ± 81.1 | 132.6 ± 86.1 | <0.001 |
| sweetened beverages (g/1000 Kcal) | 19.3 (8.1–83.0) | 9.5 (3.5–19.8) | 4.1 (0.77–11.3) | <0.001 |
| Red and processed meat (g/1000 Kcal) | 12.2 ± 8.6 | 8.9 ± 6.3 | 6.8 ± 6.0 | <0.001 |
| Total energy (kcal/day) | 2292 ± 697 | 2430 ± 728 | 2585 ± 701 | <0.001 |
| Carbohydrates (% of energy) | 57.5 ± 6.6 | 58.3 ± 6.4 | 60.3 ± 12.8 | <0.001 |
| Proteins (% of energy) | 14.4 ± 3.1 | 15.0 ± 3.3 | 15.7 ± 12.9 | <0.001 |
| Fat (% of energy) | 30.8 ± 6.5 | 30.3 ± 5.9 | 29.0 ± 5.7 | <0.001 |
| Saturated fat (% of energy) | 10.0 ± 2.8 | 9.9 ± 2.5 | 9.4 ± 2.7 | <0.001 |
| Monounsaturated fat (% of energy) | 10.4 ± 3.0 | 10.1 ± 2.5 | 9.6 ± 3.1 | <0.001 |
| Polyunsaturated fat(% of energy) | 6.2 ± 2.0 | 6.0 ± 1.9 | 5.8 ± 2.4 | <0.001 |
| Dietary fiber (g/1000Kcal) | 18.1 ± 7.0 | 19.5 ± 6.3 | 21.4 ± 6.1 | <0.001 |
| Folate (µg/1000Kcal) | 245 ± 43 | 251 ± 40 | 259 ± 42 | <0.001 |
| Sodium (mg/1000Kcal) | 1559 ± 459 | 1525 ± 393 | 1430 ± 362 | <0.001 |
| Potassium (mg/1000 kcal) | 1677 ± 415 | 1977 ± 488 | 2265 ± 532 | <0.001 |
| Calcium (mg/1000Kcal) | 547 ± 167 | 637 ± 196 | 689 ± 204 | <0.001 |
Data values are mean ± SD or median (interquartile range).