Table 2. Daily food intake and the risk of oral cancer and risk scores for the final predictors.
| Variables | Cases (%)n = 930 | Controls (%)n = 2667 | UnadjustedOR (95% CI) | AdjustedOR (95% CI)a | Risk score |
|---|---|---|---|---|---|
| Poultry meat (per week) | |||||
| ≥ 3 times | 130 (13.98) | 615 (23.06) | 1.00 | 1.00 | 0 |
| < 3 times | 800 (86.02) | 2052 (76.94) | 1.84 (1.50–2.27) | 1.71 (1.37–2.12) | 5 |
| Fish (per week) | |||||
| ≥ 3 times | 430 (46.24) | 1590 (59.62) | 1.00 | 1.00 | 0 |
| < 3 times | 500 (53.76) | 1077 (40.38) | 1.72 (1.48–2.00) | 1.75 (1.49–2.05) | 6 |
| Seafood (per week) | |||||
| ≥ 3 times | 206 (22.15) | 937 (35.13) | 1.00 | 1.00 | 0 |
| < 3 times | 724 (77.85) | 1730 (64.87) | 1.90 (1.60–2.27) | 1.99 (1.65–2.40) | 7 |
| Leafy Vegetables (per day) | |||||
| ≥ 1 time | 786 (84.52) | 2552 (95.69) | 1.00 | 1.00 | 0 |
| < 1 time | 144 (15.48) | 115 (4.31) | 4.07 (3.14–5.26) | 3.91 (2.98–5.14) | 14 |
| Other vegetables (per day) | |||||
| ≥ 1 time | 755 (81.18) | 2489 (93.33) | 1.00 | 1.00 | 0 |
| < 1 time | 175 (18.82) | 178 (6.67) | 3.24 (2.59–4.05) | 3.16 (2.49–4.01) | 12 |
| Fruits (per week) | |||||
| ≥ 3 times | 321 (34.52) | 1651 (61.90) | 1.00 | 1.00 | 0 |
| < 3 times | 609 (65.48) | 1016 (38.10) | 3.08 (2.64–3.60) | 3.00 (2.53–3.56) | 11 |
| Milk and dairy products (per week) | |||||
| ≥ 1 time | 326 (35.05) | 1243 (46.61) | 1.00 | 1.00 | 0 |
| < 1 time | 604 (64.95) | 1424 (53.39) | 1.62 (1.39–1.89) | 1.60 (1.36–1.90) | 5 |
| Eggs (per week) | |||||
| ≥ 5 times | 270 (29.03) | 1012 (37.95) | 1.00 | 1.00 | 0 |
| < 5 times | 660 (70.97) | 1655 (62.05) | 1.49 (1.27–1.76) | 1.44 (1.21–1.71) | 4 |
| Pickled food (per week) | |||||
| < 1 time | 639 (68.71) | 1932 (72.44) | 1.00 | 1.00 | 0 |
| ≥ 1 time | 291 (31.29) | 735 (27.56) | 1.20 (1.02–1.41) | 1.21 (1.02–1.43) | 2 |
| Red meat (per week) | |||||
| < 5 times | 433 (46.56) | 1267 (47.51) | 1.00 | 1.00 | |
| ≥ 5 times | 497 (53.44) | 1400 (52.49) | 1.04 (0.89–1.21) | 1.01 (0.86–1.19) | |
| Processed meat (per week) | |||||
| < 1 time | 801 (86.13) | 2284 (85.64) | 1.00 | 1.00 | |
| ≥ 1 time | 129 (13.87) | 383 (14.36) | 0.96 (0.77–1.19) | 1.03 (0.82–1.29) | |
| Beans and soy products (per week) | |||||
| ≥ 1 time | 624 (67.10) | 1824 (68.39) | 1.00 | 1.00 | |
| < 1 time | 306 (32.90) | 843 (31.61) | 1.06 (0.90–1.24) | 1.12 (0.95–1.33) | |
aadjusted for age, gender, education, residence, BMI, family history of cancer, tobacco smoking, alcohol consumption, denture wearing, recurrent oral ulceration.