Table 2 Use of vegetables, fruits and cereals in cases and matched controls
From: Nutrition and lung cancer: a case control study in Iran
Diet | Â | Control (%) | Case (%) | ORa(95% CI) | P_value | |
|---|---|---|---|---|---|---|
Vegetables | Raw | Lower third | 128 (26.8) | 113 (48.3) | Referent | - |
Middle third | 218 (45.7) | 68 (29.1) | 0.31 (0.20-0.48) | <0.0001 | ||
Upper third | 131 (27.5) | 53 (22.6) | 0.52 (0.32-0.86) | 0.01 | ||
| Â | Cooked | Lower third | 174 (38.5) | 67 (29.5) | Referent | - |
Middle third | 115 (25.4) | 86 (37.9) | 2.02 (1.28-3.20) | 0.003 | ||
Upper third | 163 (36.1) | 74 (32.6) | 1.39 (0.86-2.26) | 0.176 | ||
Fruits | Â | Lower third | 166 (34.5) | 128 (54.0) | Referent | - |
Middle third | 161 (33.5) | 68 (28.7) | 0.60 (0.40-0.89) | 0.01 | ||
Upper third | 154 (32.0) | 41 (17.3) | 0.31 (0.18-0.52) | <0.0001 | ||
| Â | Â | Â | Test for trend: P < 0.0001 | |||
Cereals | Rice | Lower third | 85 (38.6) | 67 (38.0) | Referent | - |
Middle third | 110 (46.0) | 86 (38.8) | 1.49 (1.01-2.20) | 0.04 | ||
Upper third | 44 (18.4) | 74 (23.2) | 0.97 (0.60-1.57) | 0.90 | ||
| Â | Bread | <four a month | 17 (3.5) | 5 (2.1) | Referent | - |
2-4 a week | 57 (11.8) | 12 (5.0) | 0.96 (0.28-3.27) | 0.95 | ||
Once a day | 154 (31.9) | 58 (24.4) | 1.72 (0.57-5.23) | 0.34 | ||
>once a day | 255 (52.8) | 163 (68.5) | 2.80 (0.94-8.31) | 0.06 | ||
| Â | Test for trend: P < 0.0001 | |||||