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Table 3 Hierarchical linear model predicting MMI station performance (N = 11,658 ratings within 1438 candidates over 8 years)

From: Exploring sociodemographic subgroup differences in multiple mini-interview (MMI) performance based on MMI station type and the implications for the predictive fairness of the Hamburg MMI

Fixed effects b 95%-CI p Effect size
First language German 0.16 0.08; 0.24 < 0.001 − 0.000
Interaction terms (male vs female):
 gender x station type    0.003 0.001
 gender x age    0.003 − 0.000
 age x station type    < 0.001 0.002
 Younger than 21
  Simulation − 0.27 − 0.34; − 0.20 < 0.001  
  Interview − 0.22 − 0.29; − 0.15 < 0.001  
  Group − 0.01 − 0.16; 0.14 0.883  
 21 and older
  Simulation − 0.11 − 0.20; − 0.02 0.020  
  Interview − 0.06 − 0.15; 0.03 0.174  
  Group 0.15 − 0.01; 0.31 0.072  
Interaction medical family background x station type (at least one vs. no parent is physician)    0.004 0.001
 Simulation − 0.06 − 0.12; 0.01 0.087  
 Interview 0.07 − 0.00; 0.13 0.053  
 Group − 0.05 − 0.21; 0.11 0.572  
R2 .006
Between year variance 0.02 2.0% of total variance
Between candidate variance (within year) 0.12 15.4% of total variance
Within rating / unexplained variance 0.77 82.6% of total variance