Table 2.
Distribution of Selected Variables among Patients and Controls
| Variable | Cases, n (%) (N = 863) | Controls, n (%) (N = 876) | ORa (95% CI) | P value |
|---|---|---|---|---|
| Age at diagnosis | ||||
| <50 | 111 (12.9) | 119 (13.6) | 1.00 | |
| 51–60 | 254 (29.4) | 275 (31.4) | 0.99 (0.73–1.35) | 0.956 |
| 61–70 | 322 (37.3) | 309 (35.3) | 1.13 (0.84–1.53) | 0.427 |
| >70 | 176 (20.4) | 173 (19.7) | 1.11 (0.79–1.54) | 0.552 |
| Sex | ||||
| Female | 342 (39.6) | 355 (40.5) | 1.00 | |
| Male | 521 (60.4) | 521 (59.5) | 1.05 (0.87–1.27) | 0.611 |
| Family history of cancerb | ||||
| No | 306 (35.7) | 406 (46.6) | 1.00 | |
| Yes | 550 (64.3) | 465 (53.4) | 1.59 (1.31–1.93) | <0.001 |
| History of diabetes | ||||
| No | 663 (76.8) | 783 (89.4) | 1.00 | |
| Yes | 200 (23.2) | 93 (10.6) | 2.58 (1.97–3.36) | <0.001 |
| Smoking status | ||||
| Non-smoker | 363 (42.1) | 457 (52.2) | 1.00 | |
| Smoker | 500 (57.9) | 419 (47.8) | 1.49 (1.23–1.80) | <0.001 |
| BMI (kg/m2)c | ||||
| <25.0 | 382 (50.5) | 425 (62.4) | 1.00 | |
| 25.0–30.0 | 285 (37.6) | 219 (32.2) | 1.45 (1.16–1.81) | 0.001 |
| >30.0 | 90 (11.9) | 37 (5.4) | 2.71 (1.80–4.07) | <0.001 |
a
Crude odds ratio.
b
Missing value from 7 patients and 5 controls.
c
Information was available for 757 cases and 681 controls recruited after 2004.