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Probationary and non-probationary drivers' nighttime crashes in Western Australia, 1996-2000
1University of Western Australia, Australia. claire@buntaize.net
Introduction:
This study was designed to explore the temporal aspects of crashes for probationary and non-probationary drivers.
Methods:
Data from the West Australian Road Injury Database from 1996-2000 were used to calculate age-sex-specific crash rates per 100,000 person-days and to plot proportions of fatal and hospital crashes by time for probationary and non-probationary drivers. The population attributable risk was used to estimate the potential number of lives saved by nighttime driving restriction in the probationary period.
Results:
Probationary drivers were seven times more likely to crash than non-probationary drivers. While the highest number of crashes was in the daytime, probationary drivers had a higher proportion of fatal or hospitalization crashes at night than non-probationary drivers.
Conclusion:
Restrictions on driving at night could form part of graduated driver training. Even if some probationary drivers disobeyed the restriction, a substantial reduction in car occupant fatalities and hospitalizations could result.
