Table 2 Multiple logistic regression analysis to identify predictors of "Non-Complier group"
Odds Ratio (95%CI) | |
|---|---|
Age | |
- <50 | 1.38 (0.75–2.55) |
- ≧50 | - |
Sex | |
- Male | 0.76 (0.25–2.32) |
- Female | - |
Prior experience of participating in clinical trial | |
- Yes | 0.40a (0.21–0.74) |
- No | - |
Current participation in other study | |
- Yes | 1.02 (0.56–1.87) |
- No | - |
Working site | |
- University, national or private hospital | 1.55 (0.86–2.80) |
- Own private clinic | - |
Using Internet or FAX for recruitment and follow-up | |
- Using both | 0.59 (0.30–1.15) |
- Using Internet | 0.59 (0.26–1.33) |
- Using FAX | - |
Simplicity of study protocol | |
- Agree | 0.84 (0.44–1.58) |
- Neutral or Disagree | - |
Special interest in the use of Internet for this trial | |
- Agree | 1.01 (0.53–1.94) |
- Neutral or Disagree | - |
Expectation that it would be easy to explain to patients about CASE-J | |
- Agree | 1.44 (0.67–3.11) |
- Neutral or Disagree | - |
Well-organized support system for case registration and follow-up | |
- Agree | 0.41a (0.22–0.75) |
- Neutral or Disagree | - |
Number of recruiting patients | |
- <10 | 2.25a (1.01–5.02) |
- ≧10 | - |