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Table 1 Odds ratios (OR), 95%-CI, and test statistics of the explanatory variables in the logistic regression. Variable importance was assessed using the difference of the AIC of the full model (model 1) and a model leaving one variable out (∆ (AIC)); positive values indicate better model fit

From: Strong evidence for age as the single most dominant predictor of medically supervised driving test—mini mental status test outcomes provide only weak but significant moderate additional predictive value

  OR (95%-CI) z-value p-value Delta (AIC)
Age 1.09 (1.04—1.15) 3.35 0.0008 11.60
MMST 0.81 (0.66—0.99) -2.04 0.042 2.35
Gender 1.31 (0.53—3.27) 0.60 0.55 -1.64
UT 0.95 (0.75—1.20) -0.43 0.67 -1.81
TMT-A 0.93 (0.43—2.01) -0.19 0.85 -1.96
TMT-B 1.00 (0.48—2.14) 0.01 0.99 -2.00