Table 1. Distribution of 777 cases of endometrial cancer and 1550 controls according to age, history of diabetes and other selected variables. Italy and Switzerland, 1988–2006.
| Characteristic | Case number (%) | Control number (%) | ORa (95% CI) |
|---|---|---|---|
| Age (years) | |||
| <40 | 24 (3.1) | 73 (4.7) | |
| 40–49 | 75 (9.6) | 174 (11.2) | |
| 50–59 | 233 (30.0) | 444 (28.6) | |
| 60–69 | 312 (40.1) | 589 (38.0) | |
| ⩾70 | 133 (17.1) | 270 (17.4) | |
| History of diabetes | |||
| No | 700 (90.1) | 1479 (95.4) | 1b |
| Yes | 77 (9.9) | 71 (4.6) | 1.7 (1.2–2.5) |
| BMI at diagnosis (kg m−2)c | |||
| < 30 | 555 (71.8) | 1325 (85.89) | 1b |
| ⩾30 | 218 (28.2) | 222 (14.2) | 2.4 (1.9–3.1) |
| BMI (kg m−2) at age 30–39c | |||
| < 25 | 532 (71.2) | 1152 (79.6) | 1b |
| ⩾25 | 215 (28.8) | 295 (10.4) | 1.6 (1.3–2.0) |
| Physical activity at age 30–39 c | |||
| Moderate/high | 543 (70.2) | 1219 (79.2) | 1b |
| Low | 230 (29.7) | 321 (20.8) | 1.4 (1.1–1.8) |
| History of hypertension | |||
| No | 519 (66.8) | 1169 (75.4) | 1b |
| Yes | 258 (33.2) | 381 (24.6) | 1.2 (1.0–1.5) |
BMI, body mass index; CI, confidence interval; HRT, hormone replacement therapy; OC, oral contraceptive; OR, odds ratio.
a
Estimates from logistic regression models, including terms for the above factors plus year of interview, study centre, education, parity, menopausal status, OC and HRT use.
b
Reference category.
c
The sum does not add up to the total because of some missing values.