项目

前测

后测1

p value¹

后测2

p value²

全谷杂粮类

36 (3.2%)³

225 (18.3%)

<0.001

94 (7.5%)

<0.001

水果类

850 (75.4%)

1012 (82.2%)

<0.001

1060 (84.1%)

<0.001

豆鱼蛋肉类

437 (38.7%)

634 (51.5%)

<0.001

678 (53.8%)

<0.001

油脂与坚果种子类

156 (13.8%)

253 (20.6%)

<0.001

162 (12.9%)

0.485

蔬菜类

146 (12.9%)

492 (40.0%)

<0.001

396 (31.4%)

<0.001