Table 3.
Quantity and composition of plate waste in school lunch programme
| Food groups | Kindergarten | Elementary school | ||
|---|---|---|---|---|
| Rice with side disha | One-dish mealb | Rice with side disha | One-dish mealb | |
| Plate collected | 324 | 216 | 144 | 96 |
| Wasted amount per serving portion | ||||
| Plate waste (g) | 85⋅6 ± 13⋅5c,d | 50⋅0 ± 4⋅8d | 38⋅4 ± 5⋅2c | 21⋅9 ± 2⋅9 |
| Rice (g) | 50⋅2 ± 10⋅7c,d | 28⋅9 ± 2⋅9d | 14⋅5 ± 3⋅1 | 14⋅1 ± 0⋅8 |
| Meats (g) | 4⋅3 ± 5⋅3c | 13⋅4 ± 1⋅6d | 5⋅2 ± 2⋅8 | 4⋅9 ± 1⋅2 |
| Vegetables (g) | 10⋅8 ± 9⋅5 | 0⋅0 ± 0⋅0d | 16⋅5 ± 2⋅2c | 2⋅2 ± 1⋅7 |
| Fruits (g) | 13⋅3 ± 11⋅9 | 5⋅3 ± 2⋅4d | 0⋅5 ± 0⋅9 | 0⋅7 ± 0⋅8 |
| Eggs (g) | 7⋅1 ± 6⋅6 | 2⋅3 ± 2⋅7 | 2⋅0 ± 2⋅8 | 0⋅0 ± 0⋅0 |
| % Wasted | ||||
| Plate waste | 29⋅0 ± 2⋅3c,d | 17⋅2 ± 1⋅0d | 10⋅3 ± 1⋅3 | 7⋅9 ± 1⋅6 |
| Rice | 32⋅6 ± 8⋅8c,d | 16⋅4 ± 1⋅7d | 7⋅0 ± 1⋅3 | 8⋅4 ± 1⋅0 |
| Meats | 9⋅5 ± 8⋅7 | 22⋅0 ± 6⋅4d | 13⋅3 ± 2⋅3 | 9⋅8 ± 3⋅6 |
| Vegetables | 27⋅3 ± 23⋅7 | 0⋅0 ± 0⋅0d | 35⋅4 ± 7⋅0c | 6⋅7 ± 4⋅4 |
| Fruits | 18⋅8 ± 17⋅9 | 16⋅3 ± 8⋅4d | 1⋅4 ± 2⋅5 | 1⋅9 ± 2⋅1 |
| Eggs | 14⋅1 ± 12⋅2 | 7⋅0 ± 8⋅0 | 2⋅9 ± 3⋅1 | 0⋅0 ± 0⋅0 |
a
Means ± standard deviations of 3 aggregate samples of 108 portions for kindergarten or 48 portions for elementary school.
b
Means ± standard deviations of 2 aggregate samples of 108 portions for kindergarten or 48 portions for elementary school.
c
Mean values of rice with side dish and one-dish meal of the same school are significantly different (P < 0⋅05).
d
Mean values of the same dish style of kindergarten and elementary school are significantly different (P < 0⋅05).