Children provided with each food type (number and %) and mean weight and 95% CI of each food type provided in packed lunches in 2006 for 1148 children and in 2016 for 323 children (total of 1471 English children with results adjusted for school clusters)
| Food type | Provided 2006, % (n) | Provided 2016, % (n) | Difference (p value) | Mean weight provided 2006 (g) | 95% CI | Mean weight provided 2016 (g) | 95% CI | Mean portion size 2006 (g) | 95% CI | Mean portion size 2016 (g) | 95% CI | Difference in portion size (g) | 95% CI (p value) |
| Sandwich | 85 (978) | 83 (267) | 2.5 (0.349) | 95.7 | 91.5 to 99.7 | 91.9 | 78.5 to 105 | 112 | 109 to 116 | 111 | 100 to 121 | −0.1 | −1.2 to 0.9 (0.829) |
| Permitted savoury food | n/a | 10 (31) | n/a | n/a | n/a | 11.7 | −2.1 to 25.6 | n/a | n/a | 122 | 1.9 to 242.9 | n/a | n/a |
| High-fat savoury food | 14 (165) | 14 (44) | −0.8 (0.692) | 12.8 | 10.0 to 15.6 | 10.9 | 7.6 to 14.2 | 89.0 | 72.4 to 105.5 | 80.2 | 57.5 to 102.8 | −8.8 | −36.2 to 18.6 (0.525) |
| Vegetables/salad (any) | 20 (233) | 20 (66) | 0.1 (0.959) | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a |
| Vegetables/salad (outside sandwich) | 11 (130) | 10 (33) | −1.1 (0.660) | 7.0 | 5.2 to 8.8 | 7.7 | 4.9 to 10.5 | 63.3 | 55.2 to 71.5 | 75.3 | 50.1 to 100 | 12.0 | −11.5 to 35.4 (0.312) |
| Fruit | 54 (621) | 57 (185) | 3.2 (0.397) | 69.5 | 61.7 to 77.4 | 66.5 | 55.8 to 77.2 | 131 | 124 to 137 | 116 | 104 to 128 | −14.8 | −26.8 to −2.9 (0.016) |
| Cheese snacks | 18 (202) | 20 (63) | 1.9 (0.510) | 7.1 | 5.7 to 8.6 | 5.6 | 3.8 to 7.4 | 42.4 | 37.1 to 47.7 | 28.8 | 25.2 to 32.3 | −13.7 | −19.9 to −7.4 (<0.001) |
| Milk-based desserts | 47 (537) | 42 (137) | −4.5 (0.379) | 39.2 | 35.3 to 43.0 | 27.7 | 19.8 to 5.5 | 86.0 | 81.5 to 90.5 | 65.2 | 58.6 to 71.9 | −20.7 | −28.2 to −13.3 (<0.001) |
| Savoury snacks | 61 (697) | 60 (195) | −0.3 (0.936) | 16.6 | 15.3 to 17.9 | 15.7 | 13.3 to 18.0 | 27.3 | 26.1 to 28.5 | 26.0 | 24.4 to 27.5 | −1.4 | −3.2 to 0.5 (0.146) |
| Confectionery | 62 (707) | 52 (167) | −9.9 (0.055) | 22.7 | 20.8 to 24.7 | 16.2 | 12.9 to 19.5 | 36.9 | 34.8 to 39.1 | 31.4 | 29.1 to 33.6 | −5.5 | −8.6 to −2.5 (0.001) |
| Permitted cakes and biscuits | 15 (170) | 24 (79) | 9.6 (0.005) | 7.4 | 5.8 to 9.0 | 9.2 | 6.5 to 11.9 | 50.1 | 44.6 to 55.7 | 37.4 | 33.7 to 41.1 | −12.7 | −18.9 to −6.5 (<0.001) |
| Sweetened drinks | 60 (693) | 46 (149) | −14.4 (0.007) | 213 | 195 to 231 | 137 | 107 to 167 | 353 | 338 to 369 | 298 | 264 to 332 | −55.5 | −90.0 to −21.0 (0.002) |
| Permitted drinks | 29 (338) | 31 (100) | 1.4 (0.711) | 101 | 87.4 to 114 | 99.8 | 70.5 to 127 | 342 | 323 to 362 | 320 | 282 to 358 | −22.2 | −63.3 to 18.8 (0.284) |