| 因素 | 合并个数 | 异质性检验 | OR | 95% CI | |
| Q值 | P值 | ||||
| 文化程度 | 3 | 22.688 | 0.015* | 1.76 | 0.4845~6.3581 | 
| 进食快 | 7 | 26.200 | 0.000* | 1.92 | 1.3257~2.7756 | 
| 吸烟 | 16 | 53.796 | 0.005* | 3.02 | 2.1913~4.1696 | 
| 饮酒 | 14 | 117.374 | 0.000* | 2.37 | 1.6574~3.3762 | 
| 腌晒食品(酸菜) | 13 | 11.060 | 0.000* | 1.85 | 1.5199~2.2397 | 
| 热烫饮食 | 9 | 31.616 | 0.000* | 2.31 | 1.6146~3.2991 | 
| 饮用水 | 5 | 7.210 | 0.007* | 2.20 | 1.3919~3.4737 | 
| 干硬食物 | 4 | 10.119 | 0.240 | 2.61 | 1.8203~3.7525 | 
| 辛辣饮食 | 3 | 7.314 | 0.061 | 2.94 | 1.8103~4.7601 | 
| 肉蛋类食物 | 3 | 35.039 | 0.047* | 3.40 | 0.2877~40.2726 | 
| 饮茶 | 3 | 15.504 | 0.005* | 1.20 | 0.4585~3.1623 | 
| 精神创伤史 | 4 | 18.394 | 0.001* | 1.79 | 1.0617~3.0308 |