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 | - |
a: Significantly associated