| 项目 | 前测 | 后测1 | p-value1 | 后测2 | p-value2 |
| 白饭 | 1061 (98.7%)3 | 1053 (98.0%) | 0.102 | 1051 (97.8%) | 0.068 |
| 水果 | 1057 (98.3%) | 1056 (98.2%) | 0.847 | 1060 (98.6%) | 0.590 |
| 蔬菜 | 1043 (97.0%) | 1041 (96.8%) | 0.785 | 1047 (97.4%) | 0.593 |
| 鱼 | 1005 (93.5%) | 1003 (93.3%) | 0.841 | 1015 (94.4%) | 0.327 |
| 坚果 | 758 (70.5%) | 758 (70.5%) | 1.000 | 874 (81.3%) | <0.001 |
| 牛奶 | 986 (91.7%) | 961 (89.4%) | 0.031 | 1014 (94.3%) | 0.009 |
| 含糖红茶 | 1045 (97.2%) | 1059 (98.5%) | 0.013 | 1058 (98.4%) | 0.016 |
| 调味果汁 | 1033 (96.1%) | 1048 (97.5%) | 0.032 | 1051 (97.8%) | 0.008 |
| 巧克力 | 1055 (98.1%) | 1060 (98.6%) | 0.297 | 1064 (99.0%) | 0.061 |
| 冰淇淋 | 1053 (98.0%) | 1059 (98.5%) | 0.180 | 1065 (99.1%) | 0.014 |
| 牛肉干 | 1019 (94.8%) | 1044 (97.1%) | 0.002 | 1039 (96.7%) | 0.027 |
| 总分 | 19.69 ± 1.834 | 19.73 ± 1.63 | 0.496 | 20.08 ± 1.43 | <0.001 |