Table 2. Associations between tea and milk consumption and risk of oral cancer.
| Variables | Tea consumption | Milk consumption | ||||||
|---|---|---|---|---|---|---|---|---|
| No | Yes | No | Yes | |||||
| Cases/ Controls | OR | Cases/ Controls | OR(95%CI)a | Cases/ Controls | OR | Cases/ Controls | OR(95%CI)a | |
| All subjects | 345/1067 | 1.00 | 76/331 | 0.73(0.54-0.97) | 254/685 | 1.00 | 167/713 | 0.69(0.55-0.88) |
| Age(years) | ||||||||
| ≤60 | 172/602 | 1.00 | 46/183 | 0.86(0.58-1.28) | 137/334 | 1.00 | 81/451 | 0.61(0.44-0.85) |
| >60 | 173/465 | 1.00 | 30/148 | 0.46(0.29-0.73) | 117/351 | 1.00 | 86/262 | 0.82(0.59-1.16) |
| Gender | ||||||||
| Male | 73/252 | 1.00 | 32/150 | 0.68(0.42-1.11) | 67/184 | 1.00 | 38/218 | 0.56(0.35-0.89) |
| Female | 272/815 | 1.00 | 44/181 | 0.74(0.51-1.06) | 187/501 | 1.00 | 129/495 | 0.75(0.57-0.98) |
| Residence | ||||||||
| Rural | 200/626 | 1.00 | 42/116 | 1.03(0.69-1.55) | 160/436 | 1.00 | 82/306 | 0.78(0.57-1.07) |
| Urban | 145/441 | 1.00 | 34/215 | 0.46(0.30-0.71) | 94/249 | 1.00 | 85/407 | 0.55(0.39-0.78) |
| BMI | ||||||||
| 18.5-23.9 | 215/631 | 1.00 | 44/178 | 0.71(0.48-1.04) | 156/370 | 1.00 | 103/439 | 0.62(0.46-0.84) |
| <18.5 | 43/87 | 1.00 | 9/15 | 0.95(0.35-2.57) | 28/35 | 1.00 | 24/67 | 0.54(0.25-1.17) |
| ≥24 | 87/349 | 1.00 | 23/138 | 0.70(0.41-1.18) | 70/280 | 1.00 | 40/207 | 0.80(0.52-1.24) |
aORs were adjusted for age, gender, education level, marital status, residence, body mass index and denture wearing.