Table 7 Univariable models and multivariable models for dependencies of expected supervision level

Gender (female)

−0.24 (− 0.51 to 0.02)

0.071

− 0.19 (− 0.33 to − 0.04)

0.012

0.354

Postgraduate year

0.10 (0.07 to 0.13)

< 0.001

0.03 (0.00 to 0.05)

0.026

0.762

Duration of training

0.37 (0.25 to 0.48)

< 0.001

0.05 (−0.06 to 0.17)

0.371

1.000

Skill repetitions

0.57 (0.54 to 0.61)

< 0.001

0.12 (0.07 to 0.17)

< 0.001

< 0.001

Perceived learning behavior

1.02 (0.98 to 1.06)

< 0.001

0.65 (0.57 to 0.72)

< 0.001

< 0.001

Base specialty

< 0.001

0.850

1.000

 - Intensive care medicine

Ref.

Ref.

 - Anesthesiology

−0.08 (−0.38 to 0.23)

0.621

− 0.01 (− 0.21 to 0.19)

0.945

1.000

 - Internal medicine

−0.71 (− 0.99 to − 0.43)

< 0.001

0.07 (− 0.15 to 0.28)

0.541

1.000

 - Surgery

− 0.43 (− 0.81 to − 0.06)

0.023

0.03 (− 0.25 to 0.31)

0.838

1.000

 - Others

− 0.62 (−1.15 to − 0.10)

0.020

−0.10 (− 0.49 to 0.28)

0.595

1.000

Skill type

< 0.001

< 0.001

< 0.001

 - Chest drain insertion

Ref.

Ref.

 - Tracheotomy

−0.77 (−0.98 to − 0.56)

< 0.001

− 0.35 (− 0.50 to − 0.20)

< 0.001

< 0.001

 - cricothyroidotomy

−1.09 (− 1.30 to − 0.88)

< 0.001

− 0.37 (− 0.53 to − 0.21)

< 0.001

< 0.001

 - pericardiocentesis

−1.20 (− 1.41 to − 0.99)

< 0.001

−0.38 (− 0.54 to − 0.22)

< 0.001

< 0.001

 - ECMO cannula insertion

− 1.23 (− 1.44 to − 1.02)

< 0.001

− 0.48 (− 0.64 to − 0.32)

< 0.001

< 0.001

 - Endotracheal intubation

0.10 (− 0.11 to 0.31)

0.341

− 0.12 (− 0.27 to 0.03)

0.123

1.000

 - Central line insertion

0.90 (0.69 to 1.11)

< 0.001

0.14 (− 0.03 to 0.31)

0.107

1.000

 - Arterial line insertion

1.20 (0.99 to 1.41)

< 0.001

0.24 (0.05 to 0.42)

0.011

0.349