Study document | Always | Often | Sometimes | Never | No response |
---|---|---|---|---|---|
Study protocol | 29 (26.4) | 31 (28.2) | 9 (8.2) | 29 (26.4) | 12 (10.9) |
Briefing note | 28 (25.5) | 22 (20.0) | 20 (18.2) | 27 (24.5) | 13 (11.8) |
Informed consent form | 28 (25.5) | 26 (23.6) | 18 (16.4) | 27 (24.5) | 11 (10.0) |