| withdrawers | attendees | χ2 | ||
---|---|---|---|---|---|
 | n | % | n | % | p-value |
to obtain certainty | 29 | 60 | 32 | 38 | 0.01 |
to be able to take preventive actions | 23 | 48 | 49 | 48 | 0.97 |
to estimate the risk for my children | 17 | 35 | 51 | 60 | 0.01 |
to help science | 6 | 13 | 10 | 12 | 0.90 |
worried about cancer (recurrence) | 12 | 25 | 24 | 28 | 0.69 |
requested by a family member | 3 | 6 | 19 | 22 | 0.02 |
referred by a physician | 11 | 23 | 11 | 13 | 0.14 |
general planning for the future | 2 | 4 | 0 | - | [0.06] |
family planning | 1 | 2 | 4 | 5 | 0.45 |