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Table 4 Multivariate linear regression for change in UMAT-3 score from first sit to second sit (N = 17,089, r 2= 0.270)

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-3 Score Percentile Test 1 17089 -0.49 (-0.50, -0.48) -0.525 <0.001
Number of years between tests 17089 -3.13 (-3.44, -2.82) -0.130 <0.001
Age (≤ 16 yr of age) 222    
  17 yr 5958 0.11 (-2.83, 3.06) 0.002 0.939
  18 yr 7209 -1.09 (-4.03, 1.85) -0.021 0.467
  19 yr 1682 -6.33 (-9.44, -3.22) -0.073 <0.001
  20 - 30 yr 1749 -9.72 (-12.80, -6.63) -0.115 <0.001
  > 30 yr 269 -11.99 (-15.93, -8.06) -0.058 <0.001
Gender (Females) 9463    
  Males 7626 3.65 (2.98, 4.33) 0.071 <0.001
Language spoken at home (English) 10726    
  Asian Languages 5611 -0.54 (-1.27, 0.19) -0.010 0.145
  European Languages 349 -3.28 (-5.63, -0.93) -0.018 0.006
  Other Languages 403 -4.40 (-6.59, -2.20) -0.026 <0.001
School type (Government) 8911    
  Catholic 2565 -1.61 (-2.60, -0.62) -0.022 0.001
  Independent 5102 1.01 (0.22, 1.80) 0.018 0.012
  Other 84 -3.28 (-5.43, -1.14) -0.020 0.003
  TAFE 427 -3.94 (-8.72, 0.84) -0.011 0.106
Country (Australia) 12522    
  New Zealand 4436 1.89 (1.07, 2.72) 0.032 <0.001
  Other Country 131 3.06 (-0.74, 6.86) 0.010 0.114
Aboriginal & Torres Strait Islander (ATSI) 17044    
  Non-ATSI 45 -5.25 (-11.68, 1.19) -0.010 0.110
  1. (Significant P-values are boldfaced).