Table 5.
Frequency and Monthly Allium Vegetable Intake and Stomach Cancer Risk in Qingdao
| Frequency | Cases | Controls | OR* & 95% CI | Monthly Amount | Cases | Controls | OR* & 95% CI |
|---|---|---|---|---|---|---|---|
| Onion Leaves | Onion leaves | ||||||
| Never | 36 (17.9) | 39 (19.4) | 1.00 | Never | 36 (17.9) | 39 (19.4) | 1.00 |
| Occasional | 154 (76.6) | 146 (72.6) | 1.20 (0.67–2.15) | Low | 115 (57.2) | 105 (52.2) | 1.29 (0.70–2.37) |
| Often | 11 (5.5) | 16 (8.0) | 0.78 (0.30–2.05) | High | 50 (24.9) | 57 (28.4) | 0.96 (0.50–1.86) |
| P for trend | 0.9087 | P for trend | 0.7539 | ||||
| Scallions | Scallions | ||||||
| Never | 47 (23.4) | 34 (16.9) | 1.00 | Never | 47 (23.4) | 34 (16.9) | 1.00 |
| Occasional | 75 (37.3) | 89 (44.3) | 0.49 (0.25–0.93) | Low | 69 (34.3) | 83 (41.3) | 0.49 (0.26–0.94) |
| Often | 79 (39.3) | 78 (38.8) | 0.68 (0.33–1.42) | High | 85 (42.3) | 84 (41.8) | 0.68 (0.33–1.40) |
| P for trend | 0.4086 | 0.4204 | |||||
| Garlic Stalks | Garlic Stalks | ||||||
| Never | 39 (19.4) | 14 (7.0) | 1.00 | Never | 39 (19.4) | 14 (7.0) | 1.00 |
| Occasional | 115 (57.2) | 140 (69.7) | 0.21 (0.09–0.50) | Low | 75 (37.3) | 101 (50.3) | 0.19 (0.08–0.45) |
| Often | 47 (23.4) | 47 (23.4) | 0.30 (0.12–0.77) | High | 87 (43.3) | 86 (42.8) | 0.30 (0.13–0.73) |
| P for trend | 0.0660 | P for trend | 0.1462 | ||||
| Garlic | Garlic | ||||||
| Never | 16 (8.0) | 11 (5.5) | 1.00 | Never | 16 (8.0) | 11 (5.5) | 1.00 |
| Occasional | 96 (47.8) | 81 (40.3) | 0.71 (0.27–1.88) | Low | 100 (49.8) | 96 (47.8) | 0.66 (0.25–1.76) |
| Often | 89 (44.3) | 109 (54.2) | 0.45 (0.15–1.30) | High | 85 (42.3) | 94 (46.8) | 0.58 (0.20–1.70) |
| P for trend | 0.0606 | P for trend | 0.3812 | ||||
| Onions | Onions | ||||||
| Never | 19 (9.5) | 8 (4.0) | 1.00 | Never | 19 (9.5) | 8 (4.0) | 1.00 |
| Occasional | 72 (35.8) | 78 (38.8) | 0.21 (0.06–0.79) | Low | 83 (41.3) | 87 (43.5) | 0.29 (0.09–0.94) |
| Often | 110 (54.7) | 115 (57.2) | 0.14 (0.03–0.71) | High | 99 (49.3) | 105 (52.5) | 0.07 (0.01–0.52) |
| P for trend | 0.0204 | P for trend | 0.0042 | ||||
| Chinese Chives | Chinese Chives | ||||||
| Never | 23 (11.4) | 13 (6.5) | 1.00 | Never | 23 (11.4) | 13 (6.5) | 1.00 |
| Occasional | 147 (73.1) | 150 (74.6) | 0.51 (0.27–1.11) | Low | 93 (46.3) | 95 (47.3) | 0.48 (0.21–1.09) |
| Often | 31 (15.4) | 38 (18.9) | 0.44 (0.18–1.08) | High | 85 (42.3) | 93 (46.3) | 0.49 (0.22–1.10) |
| P for trend | 0.1060 | P for trend | 0.2139 |
*
Adjusted for matching variables (age, gender), education, BMI, pack-year of smoking, alcohol drinking, salt intake, and vegetable and fruit intake