Table 2 Predictor variables for Mentor’s satisfaction; on University level (Level 2) and Mentor level (Level 1) by univariate multilevel linear regression analysis

Level 2 predictors

Mentor recruitment

Did you volunteer to become a mentor, or is it mandatory in your job?

-0.211

0.008**

[-0.367,-0.055]

Structured meetings

Based on information on the three programs

0.056

0.299

[-0.049,0.158]

Additional financial compensation

Based on information on the three programs

0.056

0.299

[-0.049,0.158]

Level 1 predictors

Mentor characteristics

Age

0.008

0.487

[-0.049,0.102]

Gender

0.002

0.908

[-0.161,0.181]

What is the nature of your current work?

-0.013

0.600

[-0.161,0.093]

For how many years, in total, have you been a mentor of medical students?

0.012

0.023**

[0.002,0.026]

Mentor support

I find it unclear what the mentor program’s expectations are

0.185

< 0.001**

[-0.260,-0.110]

I find it difficult to fulfil the program’s expectations

0.184

< 0.001**

[-0.269,-0.107]

What is your opinion about the quality of the training provided, including workshops and information meetings, to help mentors?

0.247

< 0.001**

[0.148,0.342]

What is your opinion about the quality of the written material on mentoring and the mentor program, provided to you as a mentor?

0.187

< 0.001**

[0.081,0.289]

Student perspective

The students seem to find the group meetings valuable

0.466

< 0.001**

[0.351,0.580]

The students in my group have lots of ideas for the group process and discussions

0.259

< 0.001**

[0.180,0.338]

‘Engaging mentoring approach’

Factor containing six items that illustrates an engaging way to be a mentor

0.228

< 0.001**

[0.148, 0.310]

‘Perceived rewards’

Factor containing six items that illustrates potential rewards of being a mentor

0.428

< 0.001**

[0.330, 0.473]

‘Perceived student resistance’

Factor containing three items that illustrates students’ resistance in the groups

-0.238

< 0.001**

[-0.331,-0.144]