(a)
| Risk factors | B | Sx | Wald | P value | OR | 95% CI |
|---|---|---|---|---|---|---|
| Gender | 0.13 | 0.057 | 5.207 | 0.022 | 1.14 | 1.01–1.27 |
| Age | −0.037 | 0.004 | 78.336 | 0.000 | 0.96 | 0.95–0.97 |
| Marriage | 0.073 | 0.1 | 0.527 | 0.468 | 1.08 | 0.88–1.31 |
| Education level | −0.011 | 0.044 | 0.064 | 0.800 | 1.00 | 0.91–1.08 |
| Family number | 0.013 | 0.02 | 0.436 | 0.570 | 1.01 | 0.97–1.05 |
| Annual income | 0.000 | 0.000 | 0.212 | 0.748 | 1.00 | 1.00–1.00 |
| Smoking | −0.076 | 0.08 | 0.902 | 0.722 | 0.98 | 0.85–1.11 |
| Number of cigarettes per day | 0.003 | 0.003 | 0.934 | 0.347 | 1.00 | 0.99–1.01 |
| The period of smoking | −0.059 | 0.036 | 2.643 | 0.356 | 0.97 | 0.91–1.03 |
| Alcohol | 0.108 | 0.09 | 1.458 | 0.404 | 1.66 | 0.92–1.24 |
| Beer consumption per day | 0.000 | 0.001 | 0.039 | 0.455 | 1.00 | 1.00–1.00 |
| The period of drinking beer | −0.033 | 0.037 | 0.768 | 0.220 | 0.97 | 0.93–1.02 |
| Wine consumption per day | 0.001 | 0.001 | 0.862 | 0.208 | 1.00 | 1.00–1.00 |
| The period of drinking beer | 0.003 | 0.007 | 0.177 | 0.333 | 1.00 | 0.99–1.01 |
| Tea | −0.043 | 0.137 | 0.099 | 0.831 | 0.97 | 0.74–1.27 |
| Frequency of eating vegetables | 0.002 | 0.003 | 0.488 | 0.485 | 1.00 | 0.99–1.01 |
| Fruit | −0.166 | 0.184 | 0.812 | 0.336 | 0.84 | 0.58–1.20 |
| Frequency of eating fruits | −0.001 | 0.005 | 0.011 | 0.918 | 1.00 | 0.99–1.01 |
| Meat, milk, and eggs | −2.527 | 3.536 | 0.511 | |||
| Frequency of eating milk, egg, and meat | 0.002 | 0.003 | 0.31 | 0.577 | 1.00 | 0.99–1.01 |
| Bean | −0.395 | 0.715 | 0.305 | 0.524 | 0.65 | 0.17–2.45 |
| Frequency of eating beans | 0.002 | 0.006 | 0.151 | 0.698 | 1.00 | 0.99–1.01 |
| Onion and garlic | −0.059 | 0.42 | 0.02 | 0.738 | 0.88 | 0.41–1.89 |
| Frequency of eating onion and garlic | 0.011 | 1.007 | 2.516 | 0.112 | 1.01 | 1.00–1.02 |
| Kipper food | 0.164 | 0.065 | 6.349 | 0.012 | 1.16 | 1.03–1.30 |
| Frequency of eating pickled foods | 0.006 | 0.003 | 3.774 | 0.052 | 1.01 | 1.00–1.02 |
| Fried food | 0.183 | 0.132 | 1.931 | 0.245 | 1.13 | 0.92–1.38 |
| Frequency of eating fried foods | 0.073 | 0.035 | 4.309 | 0.036 | 1.08 | 1.00–1.15 |
| Scalding food | −0.347 | 0.147 | 5.568 | 0.321 | 0.89 | 0.70–1.12 |
| Frequency of eating hot foods | 0.009 | 0.033 | 0.072 | 0.788 | 1.01 | 0.95–1.08 |
| Digestive diseases | 0.171 | 0.207 | 0.683 | 0.000 | 0.71 | 0.61–0.82 |
| Gastroenteral inflammation | −0.523 | 0.206 | 6.457 | 0.000 | 0.67 | 0.57–0.80 |
| Peptic ulcer | −0.64 | 0.217 | 8.706 | 0.000 | 0.57 | 0.42–0.76 |
| Esophageal inflammation | −0.047 | 0.226 | 0.044 | 0.838 | 0.95 | 0.61–1.49 |
| Hepatitis | −0.239 | 0.26 | 0.85 | 0.636 | 0.91 | 0.63–1.33 |
| BMI | −0.001 | 0.001 | 0.685 | 0.426 | 1.00 | 1.00–1.00 |