Variables | Cases | Controls | P a | Adjusted OR | ||
---|---|---|---|---|---|---|
No | % | No | % | (95% CI) b | ||
Smoking1 | 0.042 | |||||
No | 130 | 45.61 | 281 | 49.30 | Reference | |
Yes | 155 | 54.39 | 289 | 50.70 | 0.194 | 2.02 (1.10 ~ 3.71) |
Pack-years of smoking1 | ||||||
Non-smoker | 130 | 45.61 | 281 | 49.30 | Reference | |
<30 | 56 | 19.65 | 124 | 21.75 | 0.814 | 1.54 (0.80 ~ 2.94) |
>30 | 99 | 34.74 | 165 | 28.95 | 0.034 | 1.97 (1.05 ~ 3.68) |
Alcohol drinking2 | 0.013 | |||||
No | 220 | 77.19 | 451 | 79.12 | Reference | |
Yes | 65 | 22.81 | 119 | 20.88 | 1.09 (0.70 ~ 1.57) | |
Tea drinking3 | 2.99 × 10-9 | |||||
No | 156 | 54.74 | 277 | 48.60 | ||
Yes | 129 | 45.26 | 293 | 51.40 | 0.63 (0.45 ~ 0.91) | |
Hot beverage/food intake4 | 5.74 × 10-5 | |||||
No | 111 | 38.95 | 359 | 62.98 | Reference | |
Yes | 174 | 61.05 | 211 | 37.02 | 2.95 (2.06~4.22) | |
Pickled vegetables5 | ||||||
No | 135 | 47.37 | 355 | 62.28 | 5.47 × 10-5 | Reference |
Yes | 150 | 52.63 | 215 | 37.72 | 1.87 (1.38~2.55) | |
Fresh vegetables and fruits (g/day)6 | 0.341 | |||||
<400 | 277 | 97.19 | 507 | 88.95 | Reference | |
≥400 | 8 | 2.81 | 63 | 11.05 | 0.20 (0.10 ~ 0.44) | |
Meat (g/day)7 | 0.016 | |||||
<200 | 267 | 93.68 | 507 | 88.95 | Reference | |
≥200 | 18 | 6.32 | 18 | 3.16 | 0.75 (0.42 ~ 1.35) | |
Family history of ESCC8 | 0.025 | |||||
No | 241 | 84.56 | 523 | 91.75 | Reference | |
Yes | 44 | 15.44 | 47 | 8.25 | 1.77 (1.11 ~ 2.80) | |
History of reflux esophagitis9 | 0.026 | |||||
No | 274 | 96.14 | 562 | 98.60 | Reference | |
Yes | 11 | 3.86 | 8 | 1.40 | 2.96 (1.14 ~ 7.67) |