Table 3 Change in self-efficacy after SBE scenario 2 (cardiorespiratory) for combined 2014 and 2018 cohort, where 0 = “not at all”, 1 = “a little”, 2 = “moderately”, 3 = “a lot” and 4 = “totally” confident

1.55 ± 0.61

2.43 ± 0.63

0.88

<  0.001

1 (0.7%)

110 (73.8%)

38 (25.5%)

149

1.49 ± 0.61

2.38 ± 0.65

0.89

<  0.001

2 (1.3%)

107 (71.8%)

40 (26.8%)

149

1.67 ± 0.64

2.52 ± 0.62

0.85

<  0.001

2 (1.4%)

107 (72.3%)

39 (26.4%)

148

1.98 ± 0.72

2.76 ± 0.67

0.78

<  0.001

3 (2%)

97 (65.1%)

49 (32.9%)

149

1.60 ± 0.63

2.45 ± 0.67

0.85

<  0.001

0 (0%)

107 (71.8%)

42 (28.2%)

149

1.58 ± 0.63

2.40 ± 0.69

0.81

<  0.001

3 (2%)

102 (68.5%)

44 (29.5%)

149

1.85 ± 0.70

2.71 ± 0.64

0.86

<  0.001

0 (0%)

104 (69.8%)

45 (30.2%)

149