Table 3 Factors best predicting driving suitability (stepwise discriminant).

Factor	F to remove at final step	Significance of F to remove	Wilks λ	Coefficient* (correlation†)
H&Y stage 3	40.5	0	0.404	0.7 (0.71)
Car test score	18.0	0	0.339	0.51 (.68)
H&Y stage 2 and other condition	11.6	0.005	0.321	0.32 (.55)
Reaction time to brake	11.2	0.008	0.320	0.31 (.45)

*Standardised canonical discriminant function coefficient.

†Pooled within‐group correlations between the discriminating variables and standardised discriminant function.