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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).