Table 2

Logistic regression analysis of poor tracking error on the driving simulator (only significant variables are shown)

Variable B Wald test p value Odds ratio2-150 Lower 95% CI2-150 Upper 95% CI2-150
Alcohol0.03776.29<0.011.041.011.07
Age0.0496.17<0.011.051.011.09
Sex (female)2.2324.16<0.049.32** 1.09** 79.4**
Near miss accidents0.96283.82<0.052.621.006.88
  • 2-150 OR for every 1 unit increase in variable (i.e. estimated risk of poor performance on simulator increases by 2.62 for every additional near miss accident reported) except ** which represents the estimated increased risk of women compared with men.