Table 2.
Provision of energy and nutrients in 20 schools as compared to DRIs-2013/n (%).
| Item | Primary School | Middle School | High School | |||
|---|---|---|---|---|---|---|
| DRIs | Menu | DRIs | Menu | DRIs | Menu | |
| Energy (kcal) | 621 | 696 ± 139 | 783 | 752 ± 229 | 844 | 1005 ± 179 |
| (112.0) | (96.0) | (119.1) | ||||
| Protein (g) | 17.4 | 35.9 ± 7.5 | 23.4 | 32.0 ± 7.9 | 25.3 | 41.8 ± 10.0 |
| (206.3) | (136.8) | (165.2) | ||||
| Protein/%E | - | 21 ± 4 | - | 18 ± 5 | - | 17 ± 4 |
| Fat/%E | 20–30 | 32 ± 10 | 20–30 | 39 ± 10 | 20–30 | 37 ± 12 |
| Carbonhydrate/%E | 50–65 | 47 ± 10 | 50–65 | 43 ± 7 | 50–65 | 46 ± 12 |
| Vitamin A (μgRE) | 199 | 204 ± 184 | 258 | 258 ± 173 | 272 | 221 ± 144 |
| (102.5) | (100) | (81.3) | ||||
| Vitamin B1 (mg) | 0.39 | 0.48 ± 0.21 | 0.5 | 0.49 ± 0.20 | 0.54 | 0.60 ± 0.21 |
| (123.1) | (98.0) | (111.1) | ||||
| Vitamin B2 (mg) | 0.39 | 0.33 ± 0.09 | 0.48 | 0.32 ± 0.08 | 0.51 | 0.37 ± 0.09 |
| (84.6) | (66.7) | (72.5) | ||||
| Vitamin C (mg) | 26 | 39 ± 29 | 36 | 60 ± 34 | 38 | 54 ± 32 |
| (150.0) | (166.7) | (142.1) | ||||
| Calcium (mg) | 390 | 140 ± 85 | 413 | 217 ± 196 | 375 | 226 ± 183 |
| (35.9) | (52.5) | (60.3) | ||||
| Iron (mg) | 5.14 | 5.65 ± 1.77 | 6.28 | 6.91 ± 4.71 | 6.38 | 8.50 ± 4.71 |
| (109.9) | (110.0) | (133.2) | ||||
| Zinc (mg) | 2.81 | 4.42 ± 1.65 | 3.66 | 4.28 ± 1.25 | 3.75 | 5.52 ± 1.52 |
| (157.3) | (116.9) | (147.2) | ||||
DRIs are 40% of average of daily recommended intake in different age and sex group according to Chinese Dietary Reference Intakes (2013) (DRIs-2013). The value in brackets was the proportion that provision amount took up in the correspondent recommendation.