Table 4.
The associations of ABO blood type, cigarette smoking, alcohol drinking and family history of cancer with the risk of NK/T cell lymphoma.
| Cases (N=417) |
Controls (N=488) |
Univariable | Multivariable | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Variable | No. | % | No. | % | OR | 95%CI | p | AOR* | 95%CI | p |
| ABO blood type | ||||||||||
| A | 98 | 24.69 | 132 | 27.0 | 1(reference) | 1(reference) | ||||
| B | 101 | 25.44 | 122 | 25.0 | 1.115 | 0.769-1.616 | 0.565 | 1.096 | 0.752-1.597 | 0.635 |
| AB | 32 | 8.06 | 31 | 6.4 | 1.390 | 0.795-2.431 | 0.248 | 1.387 | 0.788-2.441 | 0.257 |
| O | 166 | 41.81 | 203 | 41.6 | 1.101 | 0.790-1.535 | 0.569 | 1.081 | 0.772-1.513 | 0.650 |
| Cigarette smoking | ||||||||||
| Never | 316 | 75.8 | 367 | 75.2 | 1(reference) | 1(reference) | ||||
| Ever | 101 | 24.2 | 121 | 24.8 | 0.969 | 0.715-1.314 | 0.841 | 0.762 | 0.517-1.123 | 0.762 |
| Alcohol drinking | ||||||||||
| Never | 352 | 84.4 | 433 | 88.7 | 1(reference) | 1(reference) | ||||
| Ever | 65 | 15.6 | 55 | 11.3 | 1.454 | 0.989-2.138 | 0.057 | 1.675 | 1.054-2.660 | 0.029 |
| Family history of cancer | ||||||||||
| No | 383 | 91.8 | 453 | 92.8 | 1(reference) | 1(reference) | ||||
| Yes | 34 | 8.2 | 35 | 7.2 | 1.149 | 0.703-1.878 | 0.579 | 1.194 | 0.719-1.983 | 0.494 |
The AOR* was adjusted by sex, age (as a continuous variable), ABO blood type, HBV infection status, smoking status, alcohol drinking and a family history of cancers.
Abbreviations: OR, odds ratio; AOR, adjusted odds ratio; 95% CI, 95% confidence interval.