Table 3

Answer to questions about the participation in the clinical trial, stratified by the awareness of participating in a clinical trial

Aware (%)Not aware (%)p Value
Number of participants4829
Do you know what ‘clinical trial’ means?
 Yes45 (94)13 (45)<0.001
How much time was devoted to explain the study?
 Not enough14 (30)28 (97)<0.001
 30 min25 (53)1 (3)
 1 h6 (13)0
 During the time of one visit2 (4)0
Was the explanation sufficient?
 Yes26 (58)1 (3)<0.001
 No19 (42)28 (97)
Why did you decide to participate in?
 Did not answer13 (27)0<0.001
 Hope to improve9 (19)1 (3)
 No alternative treatment4 (8)0
 Important for research3 (6)0
 I was asked by the oncologist19 (40)28 (97)
Did you talk about the study with your GP?
 Yes28 (61)1 (3)<0.001
Did you talk with your family about participating?
 Yes22 (51)1 (3)<0.001
Who helped you with the decision?
 Nobody12 (27)0<0.001
 Oncologist22 (50)28 (97)
 Family7 (16)1 (3)
 Others3 (7)0
Who did you ask for more details about the trial?
 None26 (57)28 (97)0.006
 Physician10 (22)1 (3)
 Family1 (2)0
 Others2 (4)0
 I didn't need more details7 (15)0
  • Comparison between the two groups was performed by χ2 test or Fisher's exact test as appropriate.

  • GP, general practitioner.