Skip to main content

Table 1 Physicians' factors and respective odds ratios

From: Factors associated with compliance and non-compliance by physicians in a large-scale randomized clinical trial

  Non-Complier (n = 69) Complier (n = 357) Odds Ratio (95% CI)
Age    
   - mean (SD) 47.1 (7.2) 49.9 (8.4)  
   - median (range) 46 (31–67) 49 (31–77)  
   - <50 (%) 44 (66.7) 188 (53.3) 1.75a (1.01–3.05)
   - 50 (%) 22 (33.3) 165 (46.7) -
Sex    
   - Male (%) 62 (92.5) 335 (94.6) 0.70 (0.25–1.95)
   - Female (%) 5 (7.5) 19 (5.4)  
Prior experience of participating in clinical trial    
   - Yes (%) 42 (62.7) 281 (79.6) 0.43a (0.25–0.75)
   - No (%) 25 (37.3) 72 (20.4) -
Current participation in other study    
   - Yes (%) 44 (65.7) 245 (69.0) 0.86 (0.49–1.49)
   - No (%) 23 (34.3) 110 (31.0) -
Working site    
   - University, national or private hospital (%) 30 (44.8) 133 (37.8) 1.34 (0.79–2.26)
   - Own private clinic (%) 37 (55.2) 219 (62.2) -
Using Internet or FAX for recruitment and follow-up    
   - Using both (%) 14 (20.3) 72 (20.2) 0.78 (0.38–1.59)
   - Using Internet (%) 28 (40.6) 176 (49.3) 0.64 (0.36–1.14)
   - Using FAX (%) 27 (39.1) 109 (30.5) -
Simplicity of study protocol    
   - Agree (%) 36 (53.7) 205 (61.0) 0.74 (0.44–1.26)
   - Neutral or Disagree (%) 31 (46.3) 131 (39.0) -
Special interest in the use of Internet for this trial    
   - Agree (%) 22 (32.8) 128 (38.7) 0.78 (0.44–1.35)
   - Neutral or Disagree (%) 45 (67.2) 203 (61.3) -
Expectation that it would be easy to explain to patients about CASE-J    
   - Agree (%) 14 (20.6) 74 (21.9) 0.92 (0.49–1.76)
   - Neutral or Disagree (%) 54 (79.4) 264 (78.1) -
Well-organized support system for case registration and follow-up    
   - Agree (%) 29 (43.3) 212 (62.5) 0.46a (0.27–0.78)
   - Neutral or Disagree (%) 38 (56.7) 127 (37.5) -
Number of recruiting patients    
   - mean 5.9 (10.4) 10.3 (22.8)  
   - median (range) 2 (1–65) 4 (1–200)  
   - <10 (%) 60 (87.0) 265 (74.2) 2.31a (1.10–4.85)
   - 10 (%) 9 (13.0) 92 (25.8) -
  1. a: Significantly associated