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Table 3 Predictors of respondents’ willingness to participate in a randomized controlled trial

From: Willingness to participate in a randomized trial comparing catheters to fistulas for vascular access in incident hemodialysis patients: an international survey of nephrologists

  Adjusted odds ratio 95 % CI p value
Region    
 Canada Reference
 Europe 0.32 0.11–0.91 0.03
 Australia/New Zealand 0.37 0.16–0.85 0.02
Number of years licensed and practicing as a nephrologist    
 5 Reference
 5 to 10 5.07 1.41–18.26 0.01
 10 to 15 1.55 0.54–4.43 0.42
 >15 1.20 0.49–2.91 0.69
Percentage of time spent in direct patient care (clinical duties)    
 <25 % Reference
 25–50 % 1.55 0.30–8.02 0.60
 51–75 % 0.82 0.19–3.59 0.79
 >75 % 0.86 0.20–3.63 0.84
Primary hospital affiliation is urban 1.40 0.44–4.45 0.57
Primary hospital has a nephrology fellowship training program? 0.70 0.29–1.70 0.44
Risk of primary failure for arteriovenous fistulas at your center    
 <25 % Reference
 25–50 % 1.74 0.78–3.91 0.18
 51–75 % 0.56 0.12–2.60 0.46
 Do not know 4.08 1.41–11.78 0.01
Self-identified vascular access expert 2.44 0.91–6.53 0.08
  1. CI, confidence interval, OR odds ratio