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Table 6 Significant independent predictors of course performance (hierarchical multivariate linear regression analysis)

From: The value of the UK Clinical Aptitude Test in predicting pre-clinical performance: a prospective cohort study at Nottingham Medical School

Outcome variable

Predictor variable block †

R 2

Δ R2 ‡

Significant predictors

Beta

t

P §

 

Including UKCAT total score

      

Theme A

1 (socio-demographic)

0.02

0.04

None

   
 

2 (UKCAT total score)

0.04

0.03 *

UKCAT total score

0.17

2.24

0.03

Theme B

1 (socio-demographic)

0.01

0.03

None

   
 

2 (UKCAT total score)

0.02

0.02

None

   

Theme C

1 (socio-demographic)

0.12

0.14 ***

Male sex

-0.23

-3.22

0.002

    

White Ethnicity

0.24

3.07

0.002

 

2 (UKCAT total score)

0.15

0.03 *

Male sex

-0.25

-3.55

< 0.001

    

White Ethnicity

0.22

2.83

0.005

    

UKCAT total score

0.18

2.54

0.012

Theme D

1 (socio-demographic)

0.03

0.06 *

Male sex

-0.17

-2.31

0.02

 

2 (UKCAT total score)

0.04

0.01

Male sex

-0.16

-2.12

0.04

Theme D OSCE

1 (socio-demographic)

0.01

0.03

None

   
 

2 (UKCAT total score)

0.00

0.00

None

   
 

Including UKCAT sub-test scores

      

Theme A

1 (socio-demographic)

0.02

0.04

None

   
 

2 (UKCAT sub-test scores)

0.09

0.09 **

UK student

-0.18

-2.22

0.028

    

Selective Schooling

-0.18

-2.39

0.018

    

UKCAT Verbal Reasoning

0.19

2.41

0.017

    

UKCAT Quantitative Reasoning

0.22

2.85

0.005

Theme B

1 (socio-demographic)

0.01

0.03

None

   
 

2 (UKCAT sub-test scores)

0.05

0.06 *

Selective Schooling

-0.16

-2.13

0.034

    

UKCAT Verbal Reasoning

0.20

2.54

0.012

Theme C

1 (socio-demographic)

0.12

0.14 ***

Male sex

-0.23

-3.22

0.002

    

White Ethnicity

0.24

3.07

0.002

 

2 (UKCAT sub-test scores)

0.19

0.08 **

Male sex

-0.26

-3.63

< 0.001

    

White Ethnicity

0.18

2.38

0.019

    

Selective Schooling

-.016

-2.24

0.026

    

UKCAT Verbal Reasoning

0.28

3.86

< 0.001

Theme D

1 (socio-demographic)

0.03

0.06 *

Male sex

-0.17

-2.31

0.02

 

2 (UKCAT sub-test scores)

0.06

0.04

Male sex

-0.18

-2.37

0.019

    

Selective Schooling

-0.16

-2.07

0.04

    

UKCAT Decision Analysis

-.21

-2.67

0.008

Theme D OSCE

1 (socio-demographic)

0.03

0.03

None

   
 

2 (UKCAT sub-test scores)

0.05

0.03

None

   
  1. † denotes the successive addition of variable blocks to the hierarchical regression, as defined in the Methods
  2. ‡ a significant value in this column it indicates that the additional block of variables adds significantly (in terms of variance) to the prediction of the outcome variable. * p < .05, ** p < .01, *** p < .001
  3. § using the Bonferroni correction for multiple comparisons, p = < 0.01 for significance
  4. VR = Verbal Reasoning, QR = Quantitative Reasoning, AR = Abstract Reasoning, DA = Decision Analysis
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