Mean (SD) daily number of portions of food groups in cases and controls (%)
| Food |
Cases (n = 114) |
Controls (n = 202) |
p value (t test) |
| Rice | 3.38 (1.44) | 3.37 (1.15) | 0.95 |
| Milk | 2.35 (1.30) | 2.70 (1.28) | 0.024 |
| Meat | 2.26 (1.05) | 2.14 (1.13) | 0.49 |
| Fruit | 2.62 (1.55) | 2.82 (1.47) | 0.24 |
| Vegetables | 4.16 (2.04) | 4.87 (2.40) | 0.007 |