Table 3.
Total daily intake, intake at lunch and daily intake provided by lunch (%)
| Nutrients/foods | Unit | Girls (n 1091) | Boys (n 911) | P | Parental education >12 years (n 1208) | Parental education ≤12 years (n 794) | P | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean | sd | Mean | sd | Mean | sd | Mean | sd | ||||
| Energy | |||||||||||
| Daily intake* | MJ | 7·37 | 2·37 | 8·85 | 3·45 | <0·001 | 8·17 | 3·02 | 7·84 | 2·96 | 0·002 |
| Intake at lunch† | MJ | 1·72 | 1·02 | 2·16 | 1·34 | <0·001 | 1·91 | 1·17 | 1·92 | 1·23 | 0·891 |
| Daily intake provided by lunch‡ | % | 23 | 11 | 24 | 12 | 0·022 | 23 | 11 | 24 | 12 | 0·080 |
| Vitamin D | |||||||||||
| Daily intake* | µg/10 MJ | 7·6 | 4·0 | 8·1 | 4·1 | 0·030 | 7·7 | 3·4 | 7·9 | 4·3 | 0·237 |
| Intake at lunch† | µg/10 MJ | 9·1 | 8·0 | 10·5 | 8·7 | 0·002 | 9·2 | 7·2 | 10·6 | 9·8 | <0·001 |
| Daily intake provided by lunch‡ | % | 27 | 18 | 30 | 19 | <0·001 | 27 | 18 | 30 | 20 | <0·001 |
| Fe | |||||||||||
| Daily intake* | mg/10 MJ | 10·0 | 3·4 | 9·8 | 2·7 | 0·172 | 10·1 | 3·4 | 9·6 | 2·5 | 0·003 |
| Intake at lunch† | mg/10 MJ | 10·8 | 4·8 | 10·5 | 5·1 | 0·364 | 10·9 | 5·2 | 10·3 | 4·5 | 0·021 |
| Daily intake provided by lunch‡ | % | 24 | 12 | 25 | 13 | 0·203 | 24 | 12 | 25 | 13 | 0·224 |
| Folate | |||||||||||
| Daily intake* | µg/10 MJ | 335 | 106 | 324 | 98 | 0·028 | 338 | 101 | 316 | 104 | <0·001 |
| Intake at lunch† | µg/10 MJ | 383 | 203 | 366 | 182 | 0·205 | 386 | 195 | 360 | 192 | 0·171 |
| Daily intake provided by lunch‡ | % | 25 | 13 | 26 | 14 | 0·028 | 25 | 13 | 26 | 14 | 0·155 |
| Fibre | |||||||||||
| Daily intake* | g/10 MJ | 23·6 | 7·8 | 21·0 | 6·7 | <0·001 | 23·1 | 7·5 | 21·5 | 7·2 | <0·001 |
| Intake at lunch† | g/10 MJ | 27·6 | 13·4 | 23·1 | 12·5 | <0·001 | 26·5 | 13·5 | 24·1 | 13·3 | 0·019 |
| Daily intake provided by lunch‡ | % | 25 | 13 | 25 | 14 | 0·973 | 25 | 13 | 25 | 14 | 0·389 |
| Saturated fat | |||||||||||
| Daily intake* | g/10 MJ | 36·0 | 8·4 | 36·5 | 8·7 | 0·138 | 36·2 | 8·3 | 36·3 | 9·0 | 0·815 |
| Intake at lunch† | g/10 MJ | 33·6 | 14·5 | 34·6 | 14·6 | 0·138 | 33·9 | 14·3 | 34·3 | 14·9 | 0·996 |
| Daily intake provided by lunch‡ | % | 22 | 14 | 24 | 15 | 0·061 | 22 | 13 | 24 | 15 | 0·029 |
| Vegetables | |||||||||||
| Daily intake* | g/10 MJ | 206 | 146 | 175 | 135 | <0·001 | 204 | 141 | 174 | 140 | <0·001 |
| Intake at lunch† | g/10 MJ | 444 | 470 | 345 | 393 | <0·001 | 415 | 402 | 375 | 747 | 0·465 |
| Daily intake provided by lunch‡ | % | 46 | 29 | 44 | 30 | 0·110 | 45 | 28 | 47 | 32 | 0·044 |
| Fish | |||||||||||
| Daily intake* | g/10 MJ | 32 | 47 | 35 | 54 | 0·406 | 32 | 47 | 36 | 54 | 0·028 |
| Intake at lunch† | g/10 MJ | 78 | 134 | 94 | 154 | 0·024 | 80 | 140 | 93 | 148 | 0·022 |
| Daily intake provided by lunch‡ | % | 57 | 44 | 63 | 43 | 0·046 | 57 | 44 | 64 | 43 | 0·007 |
| Red/processed meat | |||||||||||
| Daily intake* | g/10 MJ | 98 | 68 | 116 | 73 | <0·001 | 102 | 65 | 112 | 78 | 0·007 |
| Intake at lunch† | g/10 MJ | 139 | 141 | 169 | 179 | <0·001 | 149 | 147 | 158 | 148 | 0·875 |
| Daily intake provided by lunch‡ | % | 31 | 29 | 32 | 28 | 0·169 | 31 | 28 | 32 | 30 | 0·586 |
Mixed-effects linear regression model with daily energy or energy-adjusted nutrient or food intake as dependent variable; sex, grade and parental education as independent fixed effects; school as independent random effect.
Mixed-effects linear regression model with energy or energy-adjusted nutrient or food intake at lunch as dependent effect; sex, grade, parental education and energy-adjusted intake during the rest of the day as independent fixed effects; school as independent random effect.
Mixed-effects linear regression model with percentage of daily intake provided by lunch as dependent effect; sex, grade and parental education as independent fixed effects; school as independent random effect.