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Table 1 Multivariate linear regression for change in total UMAT score from first sit to second sit (N = 17,089, r 2= 0.122)

From: Practice effects in medical school entrance testing with the undergraduate medicine and health sciences admission test (UMAT)

Predictor variable (reference group in brackets)

N

B (95% CI)

Beta

P-value

UMAT Score Percentile Test 1

17089

-0.26 (-0.27, -0.25)

-0.343

<0.001

Number of years between tests

17089

-0.88 (-1.14, -0.62)

-0.048

<0.001

Age (≤ 16 yr of age)

222

   

  17 yr

5958

-0.81 (-3.27, 1.66)

-0.020

0.522

  18 yr

7209

-2.20 (-4.66, 0.26)

-0.055

0.080

  19 yr

1682

-6.02 (-8.62, -3.41)

-0.091

<0.001

  20 - 30 yr

1749

-8.91 (-11.49, -6.33)

-0.138

<0.001

  > 30 yr

269

-10.18 (-13.47, -6.89)

-0.065

<0.001

Gender (Females)

9463

   

  Males

7626

0.62 (0.06, 1.17)

.016

0.030

Language spoken at home (English)

10726

   

  Asian Languages

5611

-4.32 (-4.94, -3.70)

-0.103

<0.001

  European Languages

349

-2.48 (-4.45, -0.51)

-0.018

0.014

  Other Languages

403

-6.91 (-8.76, -5.07)

-0.053

<0.001

School type (Government)

8911

   

  Catholic

2565

-0.63 (-1.46, 0.20)

-0.011

0.137

  Independent

5102

0.92 (0.26, 1.57)

0.021

0.007

  Other

84

-3.03 (-4.82, -1.23)

-0.024

0.001

  TAFE

427

-2.04 (-6.05, 1.96)

-0.007

0.317

Country (Australia)

12522

   

  New Zealand

4436

1.22 (0.53, 1.91)

0.027

0.001

  Other Country

131

2.32 (-0.86, 5.50)

0.010

0.153

Aboriginal & Torres Strait Islander (ATSI)

17044

   

  Non-ATSI

45

-4.99 (-10.38, 0.39)

-0.013

0.069

  1. (Significant P-values are boldfaced).