Table 4 Predictors of preference for different consent procedure
From: A trial of consent procedures for future research with clinically derived biological samples
Preference reported in the questionnaire | |||||
|---|---|---|---|---|---|
Prefer one-time consent | Prefer opt-out plus | Prefer opt-out | Information not needed | P -value** | |
Study group | 0.53 | ||||
One-time consent (n=56) | 38%* | 45%* | 9%* | 9%* | |
Opt-out plus (n=68) | 35% | 37% | 18% | 10% | |
Control group (n=115) | 31% | 46% | 17% | 5% | |
Age (at time of study) | 0.008 | ||||
<50 years (n=50) | 40% | 40% | 18% | 2% | |
50–64 year (n=134) | 37% | 45% | 13% | 5% | |
65–75 years (n=55) | 20% | 42% | 20% | 18% | |
Sex | 0.46 | ||||
Female (n=131) | 38% | 41% | 14% | 7% | |
Male (n=108) | 29% | 45% | 18% | 8% | |
Cancer diagnosis | 0.86 | ||||
Breast cancer (n=98) | 39% | 42% | 13% | 6% | |
Prostate cancer (n=71) | 32% | 44% | 16% | 9% | |
Colorectal cancer (n=70) | 29% | 44% | 19% | 9% | |
Educational level (a) | 0.01 | ||||
Low (n=40) | 20% | 35% | 28% | 18% | |
Intermediate (n=113) | 35% | 43% | 15% | 7% | |
High (n=86) | 38% | 48% | 11% | 4% | |
Do you consider yourself the owner of stored tissue? | 0.039 | ||||
No (n=144, 62%) | 29% | 42% | 20% | 9% | |
Yes (n=87, 38% ) | 41% | 45% | 8% | 6% | |
Do you consider yourself the owner of DNA in stored tissue? | 0.006 | ||||
No (n=111, 47%) | 32% | 37% | 19% | 12% | |
Yes (n=98, 43%) | 36% | 53% | 7% | 4% | |
