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Table 2 Lifestyle and dietary factors between case and control groups
| Variables | Case | Control | P | Crud OR (95%CI) | |
|---|---|---|---|---|---|
| Smoking | Non-smoker | 349 (71.7) | 382 (76.1) | 0.006 | Ref. |
| Current smoker | 120 (24.6) | 88 (17.5) | 1.49 (1.09,2.04) | ||
| Physical activities | Previous smoker | 18 (3.7) | 32 (6.4) | 0.62 (0.34,1.11) | |
| < 120 min/week | 323 (90.5) | 301 (93.2) | 0.353 | Ref. | |
| 120~ 180 min/week | 30 (8.4) | 18 (5.6) | 1.55 (0.85,2.84) | ||
| > 180 min/week | 4 (1.1) | 4 (1.2) | 0.93 (0.23,3.76) | ||
| Food intake frequencies(times/week) | |||||
| Meat | Never | 159 (32.6) | 229 (45.6) | < 0.001 | Ref. |
| 1~ 2 | 215 (44.1) | 209 (41.6) | 1.48 (1.12,1.96) | ||
| 3~ 4 | 81 (16.6) | 51 (10.2) | 2.29 (1.53,3.43) | ||
| ≥5 | 32 (6.6) | 13 (2.6) | 3.55 (1.80,6.97) | ||
| Viscera | Never | 225 (46.2) | 273 (54.4) | 0.207 | Ref. |
| 1~ 2 | 223 (47.8) | 206 (41.0) | 1.37 (1.06,1.78) | ||
| 3~ 4 | 22 (4.9) | 16 (3.2) | 1.82 (0.94,3.51) | ||
| ≥5 | 5 (1.0) | 7 (1.4) | 0.87 (0.27,2.77) | ||
| Fried food | Never | 143 (29.4) | 184 (36.7) | 0.109 | Ref. |
| 1~ 2 | 265 (54.4) | 247 (49.2) | 1.38 (1.04,1.83) | ||
| 3~ 4 | 66 (13.6) | 58 (11.6) | 1.46 (0.97,2.22) | ||
| ≥5 | 13 (2.7) | 13 (2.6) | 1.29 (0.58,2.86) | ||
| Vegetables | Never | 13 (2.7) | 12 (2.4) | 0.550 | Ref. |
| 1~ 2 | 53 (10.9) | 48 (9.6) | 1.08 (0.49,2.41) | ||
| 3~ 4 | 97 (19.9) | 118 (23.5) | 1.10 (0.73,1.68) | ||
| ≥5 | 324 (66.5) | 324 (64.5) | 0.82 (0.60,1.12) | ||
| Fruits | Never | 42 (8.6) | 35 (7.0) | 0.601 | Ref. |
| 1~ 2 | 122 (25.1) | 121 (24.1) | 0.84 (0.50,1.41) | ||
| 3~ 4 | 108 (22.2) | 147 (29.3) | 0.61 (0.37,1.02) | ||
| ≥5 | 215 (44.1) | 199 (39.6) | 0.90 (0.55,1.47) | ||
| Alcohol drink | < 1 | 434 (89.0) | 447 (89.0) | 0.971 | Ref. |
| ≥1 | 53 (10.9) | 55 (11.0) | 0.97 (0.67,1.48) | ||
| Tea | < 1 | 326 (66.9) | 340 (67.7) | 0.791 | Ref. |
| ≥1 | 161 (33.1) | 162 (32.3) | 1.04 (0.80,1.35) | ||
