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

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