Table 1. Distribution of 1294 cases of prostate cancer and 1451 controls according to age and selected covariates. Italy, 1991–2002.
| Cases no. (%) | Controls no. (%) | |
|---|---|---|
| Age | ||
| 45–59 | 219 (16.9) | 431 (29.7) |
| 60–64 | 310 (24.0) | 359 (24.7) |
| 65–69 | 419 (32.4) | 364 (25.1) |
| 70–74 | 346 (26.7) | 297 (20.5) |
| Education (years)a | ||
| <7 | 636 (49.6) | 844 (58.5) |
| 7–11 | 384 (29.9) | 407 (28.2) |
| ⩾12 | 263 (20.5) | 192 (13.3) |
| Occupational physical activity at age 30a | ||
| Very active | 518 (40.2) | 684 (47.1) |
| Moderately active | 335 (26.0) | 393 (27.1) |
| Inactive | 437 (33.9) | 374 (25.8) |
| Family history of prostate cancer in first-degree relatives | ||
| No | 1204 (93.0) | 1423 (98.1) |
| Yes | 90 (7.0) | 28 (1.9) |
| Pathological stage (TNM) | ||
| I–II | 321 (24.8) | |
| III–IV | 231 (17.9) | |
| Unknown | 742 (57.3) | |
| Histological grade (Gleason score) | ||
| 2–6 (more differentiated) | 538 (41.6) | |
| 7–10 | 384 (29.7) | |
| Unknown | 372 (28.8) | |
a
The sum does not add up to the total because of some missing values.