| 题目 | 前测 | 后测 1 | p value1 | 后测 2 | p value2 |
| 你每天有吃青菜吗？ |
|
| <0.001 |
| <0.001 |
| 都没有 | 15 (1.3%)3 | 13 (1.1%) |
| 19 (1.5%) |
|
| 有时有，有时没有 | 395 (35.0%) | 339 (27.5%) |
| 316 (25.1%) |
|
| 每天都有 | 718 (63.7%) | 879 (71.4%) |
| 925 (73.4%) |
|
| 你每天有吃水果吗？ |
|
| 0.019 |
| 0.020 |
| 都没有 | 17 (1.5%) | 22 (1.8%) |
| 14 (1.1%) |
|
| 有时有，有时没有 | 605 (53.6%) | 589 (47.8%) |
| 610 (48.4%) |
|
| 每天都有 | 506 (44.9%) | 620 (50.4%) |
| 636 (50.5%) |
|
| 你每天有喝牛奶吗？ |
|
| 0.161 |
| 0.306 |
| 都没有 | 88 (7.8%) | 116 (9.4%) |
| 105 (8.3%) |
|
| 有时有，有时没有 | 621 (55.1%) | 635 (51.6%) |
| 654 (51.9%) |
|
| 每天都有 | 419 (37.1%) | 480 (39.0%) |
| 501 (39.8%) |
|
| 你每天有吃“糙米饭或杂粮饭”吗？ |
|
| <0.001 |
| <0.001 |
| 都没有 | 242 (21.5%) | 150 (12.2%) |
| 145 (11.5%) |
|
| 有时有，有时没有 | 615 (54.5%) | 641 (52.1%) |
| 641 (50.9%) |
|
| 每天都有 | 271 (24.0%) | 440 (35.7%) |
| 474 (37.6%) |
|
| 你一星期有喝像汽水、奶茶、红茶 这样的饮料吗？ |
|
| 0.298 |
| 0.230 |
| 都没有 | 80 (7.1%) | 71 (5.8%) |
| 79 (6.3%) |
|
| 有时有，有时没有 | 763 (67.6%) | 826 (67.1%) |
| 893 (70.9%) |
|
| 每天都有 | 285 (25.3%) | 334 (27.1%) |
| 288 (22.9%) |
|
| 你一星期有吃零食？ |
|
| 0.242 |
| 0.191 |
| 都没有 | 123 (10.9%) | 111 (9.0%) |
| 122 (9.7%) |
|
| 有时有，有时没有 | 821 (72.8%) | 928 (75.4%) |
| 958 (76.0%) |
|
| 每天都有 | 184 (16.3%) | 192 (15.6%) |
| 180 (14.3%) |
|