Table 1. Characteristics of trial participants.
| Number of participants | Intervention n=45 | Control n=50 |
|---|---|---|
| Age of participant (years) mean (s.d.) | 49.5 (14.9) | 45.8 (13.9) |
| Gender of participants, female % | 86.7 | 88.0 |
| Participant category, n (%) | ||
| Intervention available | 26 (57.8) | 25 (50.0) |
| High offspring risk | 4 (8.9) | 5 (10.0) |
| Low offspring risk | 15 (33.3) | 20 (40.0) |
| Total number of at-riska relatives | 554 | 536 |
| Average number per participant, mean(s.d.) | 12.3 (8.5) | 10.7 (7.6) |
| Gender of at-risk relatives, female % | 49.5 | 48.3 |
| Number of at-risk relatives by category (%) | ||
| Intervention available | 356 (64.3) | 304 (56.7) |
| High offspring risk | 19 (3.4) | 60 (11.2) |
| Low offspring risk | 179 (32.3) | 172 (32.1) |
a
A person's ‘at-risk status' is on the basis of genetic relatedness, taking into account the inheritance pattern for the condition involved.