Table 2.
Patients’ responses to trial participation questionnaire
| No | Statement | Agree | Unsure | Disagree | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| % | CAU | INT | % | CAU | INT | % | CAU | INT | ||
| 1 | I thought the trial/study offered the best treatment available | 100 | 12 | 12 | – | – | – | – | – | – |
| 2 | I believed the benefits of treatment in the trial would outweigh the side effects. | 71 | 6 | 11 | 29 | 6 | 1 | – | – | – |
| 3 | I was satisfied that either treatment in the trial would be suitable. | 83 | 10 | 10 | 13 | 1 | 2 | 4 | 1 | – |
| 4 | I was worried that my illness would get worse unless I joined the trial. | 17 | 2 | 2 | 8 | 2 | – | 75 | 8 | 10 |
| 5 | The idea of randomization worried me. | 17 | 4 | – | 13 | 1 | 2 | 70 | 7 | 10 |
| 6 | I wanted a doctor to choose my treatment rather than randomized by computer | 54 | 8 | 5 | 21 | 4 | 1 | 25 | 0 | 6 |
| 7 | The doctor told me what I needed to know about the trial. | 67 | 9 | 7 | 13 | 2 | 1 | 20 | 1 | 4 |
| 8 | I trusted the doctor treating me. | 96 | 12 | 11 | – | – | – | 4 | – | 1 |
| 9 | I was given too much information to read about the trial. | 42 | 7 | 3 | 13 | – | 3 | 45 | 5 | 6 |
| 10 | I was given enough information to read about the trial. | 88 | 11 | 10 | 8 | 1 | 1 | 4 | – | 1 |
| 11 | I knew I could leave the trial at any time and still be treated. | 100 | 12 | 12 | – | – | – | – | – | – |
| 12 | I did not feel able to say no. | 4 | 1 | – | 8 | 2 | – | 88 | 9 | 12 |
| 13 | I wanted to help with the doctor’s research | 100 | 12 | 12 | – | – | – | – | – | – |
| 14 | I feel that others with my illness will benefit from the results of the trial. | 100 | 12 | 12 | – | – | – | – | – | – |
| 15 | The doctor wanted me to join the trial. | 38 | 4 | 5 | 37 | 5 | 4 | 25 | 3 | 3 |
| 16 | Others, for example, family or friends, wanted me to join the trial. | 42 | 7 | 3 | 12 | 3 | – | 46 | 2 | 9 |
Note: % = overall percentage from all respondents, CAU number in care as usual group, INT number in intervention group