Table 2.
Selected Nutrient Intake
| Variable | Walnut-Enriched Diet | Control Diet | p Value |
|---|---|---|---|
| Energy (kcal) | 2222.0 ± 1054.4 | 1926.6 ± 928.5 | 0.19 |
| Fat (kcal) | 945.0 ± 525.6 | 676.7 ± 386.7 | 0.01 |
| Fat (g) | 105.1 ± 58.5 | 75.3 ± 43.0 | 0.01 |
| % Kcal fat | 41.4 ± 8.8 | 33.9 ± 7.5 | <0.01 |
| Saturated fatty acids (kcal) | 274.7 ± 180.5 | 231.8 ± 144.1 | 0.24 |
| % Kcal saturated fatty acids | 11.8 ± 3.5 | 11.6 ± 3.6 | 0.84 |
| MUFAs (g) | 27.7 ± 17.6 | 24.0 ± 14.1 | 0.29 |
| % Kcal MUFA | 10.8 ± 3.0 | 10.7 ± 3.2 | <0.01 |
| PUFAs (g) | 32.1 ± 16.6 | 12.7 ± 8.1 | <0.01 |
| % Kcal PUFA | 13.2 ± 6.0 | 6.0 ± 2.8 | <0.01 |
| Omega-3 fatty acids (g) | 5.0 ± 2.4 | 1.2 ± 0.8 | <0.01 |
| % Kcal omega-3 fatty acids | 2.1 ± 0.8 | 0.6 ± 1.1 | <0.01 |
| Omega-6 fatty acids (g) | 25.9 ± 14.0 | 10.4 ± 7.1 | <0.01 |
| % Kcal omega-6 fatty acids | 10.7 ± 5.1 | 4.8 ± 2.5 | <0.01 |
| Protein (g/d) | 91.8 ± 46.2 | 90.6 ± 43.7 | 0.91 |
| % Kcal protein | 16.8 ± 4.1 | 20.1 ± 7.4 | 0.02 |
| Carbohydrates (g) | 221.3 ± 105.8 | 218.4 ± 112.6 | 0.91 |
| % Kcal carbohydrate | 40.5 ± 7.5 | 45.3 ± 8.8 | 0.01 |
| Fiber (g/d) | 19.1 ± 10.4 | 16.9 ± 8.9 | 0.16 |
| % Kcal fiber | 3.5 ± 1.1 | 3.4 ± 1.0 | 0.58 |
| Cholesterol (mg/d) | 297.1 ± 176.5 | 321.9 ± 172.0 | 0.53 |
Values are mean ± SD; p values were obtained from 1-way analysis of variance. MUFA = monounsaturated fatty acid, PUFA = polyunsaturated fatty acid.