Levels and intervention effect of nutrients provided in packed lunches at follow-up, adjusted for gender and baseline level
| Nutrient | Control | Intervention | Intervention effect | p Value | |||
| n=539 | 95% CI | n=432 | 95% CI | Mean difference | 95% CI of difference | ||
| Energy (E) (kcal) | 593.1 | 549.5 to 636.7 | 607.4 | 561.5 to 653.3 | 14.3 | −20.9 to 49.5 | 0.43 |
| Protein (g) | 17.3 | 15.5 to 19.1 | 18.5 | 16.6 to 20.4 | 1.2 | −0.1 to 2.6 | 0.07 |
| Total fat (g) | 19.8 | 17.4 to 22.1 | 20.1 | 17.6 to 22.6 | 0.3 | −1.4 to 2 | 0.70 |
| Total fat (% E) | 28.7 | 26.6 to 30.8 | 28.4 | 26.2 to 30.6 | −0.3 | −1.6 to 1 | 0.63 |
| Saturated fat (g) | 7.6 | 6.6 to 8.7 | 8.1 | 7 to 9.2 | 0.4 | −0.3 to 1.2 | 0.24 |
| Saturated fat (% E) | 10.8 | 9.7 to 11.9 | 11.1 | 9.9 to 12.2 | 0.3 | −0.4 to 1 | 0.42 |
| Total carbohydrate (g) | 92.5 | 85.7 to 99.2 | 94.2 | 87.1 to 101.3 | 1.7 | −3.4 to 6.9 | 0.51 |
| Total sugar (g) | 53.0 | 48.1 to 57.9 | 53.3 | 48.1 to 58.4 | 0.3 | −3.2 to 3.7 | 0.89 |
| Non-milk extrinsic sugars (g) | 38.9 | 34.3 to 43.5 | 38.5 | 33.6 to 43.3 | −0.4 | −4 to 3.2 | 0.82 |
| Non-milk extrinsic sugars (% E) | 24.0 | 21.4 to 26.6 | 23.8 | 21 to 26.5 | −0.2 | −2.2 to 1.8 | 0.83 |
| Fibre (NSP) (g) | 3.1 | 2.6 to 3.7 | 3.4 | 2.8 to 4 | 0.3 | −0.1 to 0.7 | 0.21 |
| *Sodium (mg) | 777.4 | 686.4 to 880.6 | 805.1 | 706.2 to 918 | 27.8 | −52.1 to 116.6 | 0.51 |
| *Calcium (mg) | 222.5 | 193.8 to 255.4 | 240.6 | 208 to 278.2 | 18.1 | −6.7 to 45.7 | 0.16 |
| *Iron (mg) | 2.1 | 1.9 to 2.3 | 2.2 | 2 to 2.5 | 0.1 | −0.1 to 0.3 | 0.18 |
| *Zinc (mg) | 1.8 | 1.6 to 2.0 | 1.9 | 1.7 to 2.2 | 0.1 | 0 to 0.3 | 0.09 |
| *Folate (μg) | 42.9 | 38 to 48.5 | 48.0 | 42.3 to 54.6 | 5.1 | 0.2 to 10.6 | 0.04 |
| *Vitamin C (mg) | 30.8 | 23.9 to 39.8 | 36.0 | 27.5 to 47.1 | 5.1 | −1.1 to 12.7 | 0.11 |
| *Vitamin A (μg) | 57.5 | 41.3 to 80.0 | 78.0 | 55.1 to 110.4 | 20.6 | 3.0 to 43.4 | 0.02 |
↵* Nutrient log transformed.
NSP, non-starch polysaccharides.