Table 5 Factors associated with low comprehension scores of QuIC Part A items
A4. Experimental nature of study | A8.Potential risks or discomforts | A9. Benefit to self | A13. Compensation | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Quite disagree* | Unsure | Totally agree | P | Quite disagree* | Unsure | Totally agree | P | Quite disagree | Unsure | Totally agree* | P | Quite disagree | Unsure | Totally agree* | P | |
Medical centres | ||||||||||||||||
Site A | 3.5% | 7.1% | 12.7% | 0.54 | 3.0% | 6.5% | 13.8% | 0.009 | 5.7% | 8.7% | 8.9% | 0.927 | 0.8% | 6.5% | 16.0% | <0.0001 |
Site B | 1.1% | 3.3% | 5.4% | 2.7% | 4.1% | 3.0% | 3.2% | 3.5% | 3.0% | 2.2% | 6.0% | 1.6% | ||||
Site C | 6.5% | 9.2% | 22.2% | 4.3% | 14.3% | 19.2% | 9.2% | 14.6% | 14.1% | 7.6% | 21.7% | 8.7% | ||||
Site D | 3.0% | 4.1% | 8.9% | 3.5% | 6.8% | 5.7% | 3.8% | 7.0% | 5.1% | 1.6% | 9.8% | 4.6% | ||||
Site E | 0.8% | 3.0% | 9.2% | 0.8% | 4.6% | 7.8% | 4.1% | 5.1% | 4.1% | 3.0% | 7.3% | 2.7% | ||||
Prior knowledge: had you known about “RCTs” before you took part in J-START? | ||||||||||||||||
Yes | 6.2% | 9. 8% | 13.0% | 0.002 | 5.4% | 10.5% | 13.0% | 0.266 | 6.5% | 11.9% | 10.5% | 0.613 | 4.1% | 16.0% | 8.9% | 0.629 |
No | 8.7% | 16.8% | 45.5% | 8.9% | 25.7% | 36.5% | 19.5% | 27.0% | 24.6% | 11.1% | 35.2% | 24.7% | ||||
Prior knowledge: had you known about J-START before the informed consent? | ||||||||||||||||
Yes | 6.5% | 7.1% | 12.5% | 0.003 | 3.5% | 8.7% | 13.8% | 0.703 | 6.2% | 11.4% | 8.4% | 0.529 | 4.1% | 13.8% | 8.1% | 0.851 |
No | 8.4% | 19.5% | 46.1% | 10.8% | 27.6% | 35.7% | 19.7% | 27.6% | 26.8% | 11.1% | 37.4% | 25.5% | ||||
Helpfulness of media: Educational video was an aid to understanding J-START | ||||||||||||||||
Yes | 9.8% | 19.8% | 44.2% | 0.538 | 9.5% | 24.6% | 39.5% | 0.003 | 19.2% | 27.0% | 27.3% | 0.517 | 9.2% | 35.5% | 29.0% | 0.001 |
No | 1.1% | 1.4% | 4.1% | 0.3% | 4.3% | 2.2% | 1.4% | 3.5% | 1.9% | 1.1% | 4.3% | 1.1% | ||||
Unsure | 4.1% | 5.4% | 10.3% | 4.6% | 7.3% | 7.8% | 5.4% | 8.4% | 6.0% | 4.9% | 11.4% | 3.5% | ||||
Evaluations of the verbal delivery of the information: I had sufficient opportunity to ask questions | ||||||||||||||||
Yes | 14.1% | 23.9% | 51.8% | 0.411 | 14.1% | 30.8% | 44.9% | 0.025 | 25.1% | 33.5% | 31.1% | 0.023 | 13.3% | 44.4% | 32.0% | 0.049 |
No | 0.8% | 2.7% | 6.8% | 0.3% | 5.4% | 4.6% | 0.8% | 5.4% | 4.1% | 1.9% | 6.8% | 1.6% | ||||
Evaluations of the verbal delivery of the information: I had enough time to understand information | ||||||||||||||||
Yes | 9.8% | 17.9% | 40.7% | 0.828 | 9.2% | 21.6% | 37.6% | 0.007 | 18.1% | 25.7% | 24.6% | 0.729 | 9.2% | 32.8% | 26.3% | 0.013 |
No | 5.2% | 8.7% | 17.9% | 5.1% | 14.6% | 11.9% | 7.8% | 13.2% | 10.5% | 6.0% | 18.4% | 7.3% | ||||
Evaluations of the verbal delivery of the information: Did you find it easy to say no? | ||||||||||||||||
Yes | 11.7% | 18.7% | 45.0% | 0.409 | 10.5% | 25.4% | 39.5% | 0.137 | 22.4% | 25.7% | 27.3% | 0.001 | 13.0% | 36.0% | 26.3% | 0.043 |
No | 3.3% | 7.9% | 13.6% | 3.8% | 10.8% | 10.0% | 3.5% | 13.2% | 7.8% | 2.2% | 15.2% | 7.3% | ||||