Table 1 Participants' characteristics .
| Characteristics | Total | Women | ||
|---|---|---|---|---|
| Men | Women | Affected* | Unaffected | |
| Sex (n = 982) | 133 | 849 | 311 | 538 |
| Age at entry, years (n = 982) | ||||
| 18–30 | 6 (4.5) | 44 (5.2) | 1 (0.3) | 43 (8) |
| 31–40 | 12 (9) | 137 (16.1) | 18 (5.8) | 119 (22.1) |
| 41–50 | 36 (27.1) | 227 (26.7) | 71 (22.8) | 156 (29) |
| 51–60 | 36 (27.1) | 239 (28.2) | 111 (35.7) | 128 (23.8) |
| 61–70 | 34 (25.6) | 139 (16.4) | 75 (24.1) | 64 (11.9) |
| 71–80 | 8 (6) | 45 (5.3) | 26 (8.4) | 19 (3.5) |
| ⩾81 | 1 (0.8) | 18 (2.1) | 9 (2.9) | 9 (1.7) |
No men were affected at entry into the study.
Values are n (%).
*Women with breast and/or ovarian cancer at entry into the study.