Table 4 Impact of different predictors on the barriers experienced by participants (N = 322)

Research training

 No

2.96***

1.52–5.76

0.85

0.46–1.58

1.70

0.95–3.03

1.87*

1.05–3.34

 Yes

1

Reference

1

Reference

1

Reference

1

Reference

Research Interest

 1

0.25

0.05–1.38

2.90

0.48–17.36

1.59

0.30–8.51

1.38

0.28–6.84

 2

0.33

0.09–1.27

0.91

0.25–3.31

0.84

0.24–2.94

2.52

0.68–9.28

 3

0.51

0.22–1.18

1.78

0.85–3.73

1.43

0.69–2.96

0.85

0.42–1.73

 4

0.55

0.26–1.15

1.90*

1.02–3.53

0.86

0.47–1.55

0.80

0.45–1.45

 5

1

Reference

1

Reference

1

Reference

1

Reference

Research start year

No involvement

in research

0.18

0.02–1.79

0.10*

0.01–0.90

0.72

0.17–3.08

0.85

0.22–3.33

 Grade 1

0.48

0.04–6.48

0.13

0.01–1.52

0.93

0.16–5.60

0.80

0.15–4.42

 Grade 2

0.34

0.03–3.86

0.11

0.01–1.13

0.72

0.14–3.62

0.69

0.15–3.16

 Grade 3

0.15

0.01–1.61

0.07*

0.01–0.65

0.52

0.11–2.52

0.41

0.09–1.82

 Grade 4

0.02**

0.001–0.31

0.05*

0.004–0.75

0.42

0.05–3.58

0.17

0.02–1.27

 Grade 5

1

Reference

1

Reference

1

Reference

1

Reference