Table 1. Effect of gum-chewing on driving capacity (N=26).

	Chewing gum condition (mean ± SD)
	No gum	Chewing gum
Mean distance driven above speed limit (m)	609.9 ± 190.9	456.5 ± 166.9*
Lane position (m)	6.79 ± 0.46	6.81 ± 0.54
Mean distance driven across center line (m)	59.2 ± 34.3	43.5 ± 32.9
Mean distance driven off road (m)	127.0 ± 77.5	86.4 ± 47.9*

^*p < 0.05