Mean differences in levels of nutrients provided and consumed by girls compared to boys and by pupils at schools with high %FSME compared to low %FSME adjusted for school KS2 results and ethnicity
| Nutrient | Effect size of gender (g) | Effect size of %FSME (g) | ||
| Nutrient provided (95% CI) | Nutrient consumed (95% CI) | Nutrient provided (95% CI) | Nutrient consumed (95% CI) | |
| Energy (kj) | −44 (−142 to 54) | 1.81 (−87.9 to 91.6) | −53 (−222 to 116) | −30 (−206 to 146) |
| Energy (kcal) | −9.5 (−32.4 to 13.5) | 0.39 (−18.9 to 19.7) | −5.68 (−44.7 to 33.3) | −6.4 (−44.3 to 31.5) |
| Protein (g) | −0.8 (−1.7 to 0.2) | −0.27 (−1 to 0.5) | −0.40 (−1.8 to 1) | −0.2 (−1.5 to 1.2) |
| Total fat (g) | −0.9 (−2.2 to 0.3) | −0.30 (−1.3 to 0.7) | 0.12 (−1.9 to 2.1) | −0.2 (−2.1 to 1.7) |
| Total fat as % of E | −1.0 (−2.2 to 0.2) | −0.71 (−2 to 0.6) | −0.23 (−2.1 to 1.6) | −0.4 (−2.5 to 1.7) |
| Saturated fat (g) | −0.5 (−1.1 to 0.1) | −0.15 (−0.6 to 0.3) | 0.17 (−0.7 to 1) | 0.0 (−0.8 to 0.8) |
| Saturated fat as % of E | −0.5 (−1.1 to 0.1) | −0.34 (−1.1 to 0.4) | −0.19 (−1 to 0.6) | −0.3 (−1.2 to 0.7) |
| Total carbohydrate (g) | 0.5 (−3.4 to 4.3) | 1.08 (−2.1 to 4.2) | −1.38 (−7.9 to 5.1) | −1.2 (−7 to 4.7) |
| Total sugar (g) | 2.4 (−0.6 to 5.4) | 1.67 (−0.5 to 3.9) | −0.18 (−5.2 to 4.8) | −0.3 (−4.3 to 3.7) |
| NMES (g) | 0.7 (−2.1 to 3.5) | 0.30 (−1.8 to 2.4) | 2.56 (−1.6 to 6.7) | 2.3 (−0.8 to 5.4) |
| NMES as % of E | 1.5 (0 to 2.9) | 0.47 (−1.1 to 2) | 2.05 (−0.2 to 4.3) | 2.7 (0.4 to 5.1) |
| NSP (g) | 0.0 (−0.2 to 0.2) | 0.01 (−0.2 to 0.3) | −0.40 (−0.8 to 0) | 0.1 (−0.3 to 0.4) |
| Sodium (mg) | −66.8 (−113 to −20.4) | −33.80 (−72.6 to 5) | −17.50 (−93.4 to 58.4) | 1.9 (−66.6 to 70.4) |
| Vitamin A (μg) | 30.9 (−1.9 to 63.7) | 17.86 (−5.3 to 41) | −12.32 (−52.8 to 28.2) | −0.8 (−29.3 to 27.8) |
| Vitamin C (mg) | 3.5 (−2.3 to 9.3) | 1.10 (−2.8 to 5) | −8.78 (−19.8 to 2.2) | −3.6 (−10.6 to 3.4) |
| Folate (μg) | 3.0 (−0.8 to 6.7) | 2.61 (−0.3 to 5.5) | −1.14 (−7.3 to 5) | −0.7 (−5.9 to 4.5) |
| Calcium (mg) | −3.5 (−23.2 to 16.3) | 1.25 (−15.2 to 17.7) | 1.96 (−26 to 29.9) | 4.8 (−21.7 to 31.3) |
| Iron (mg) | −0.1 (−0.2 to 0) | −0.03 (−0.1 to 0.1) | −0.07 (−0.3 to 0.1) | −0.1 (−0.3 to 0.1) |
| Zinc (mg) | −0.1 (−0.2 to 0) | −0.02 (−0.1 to 0.1) | −0.01 (−0.2 to 0.2) | 0.0 (−0.2 to 0.2) |
E, energy; %FSME, percentage free school meals eligibility; NMES, non-milk extrinsic sugars; NSP, non-starch polysaccharides.