Title: Predictors of alcohol impairment among crash involved drivers and riders in Western Australia
Abstract: Impairment due to alcohol continues to be a significant cause of traffic crashes and associated injury. In Western Australia 2010, around one-third of drivers/riders in fatal crashes recorded a Blood Alcohol Concentration level of 0.05g/100ml or higher. Understanding the risk factors for driver/rider impairment remains critical to establishing relevant and effective countermeasures. The aims of the study were to investigate various factors associated with reported BAC levels for motor car drivers and motorcycle riders involved in a crash in Western Australia during the period 2005-2009, and, to make relevant recommendations for policy and practice in managing the risk of alcohol impairment. Police reported crashes in Western Australia for the period 2005-2009 were extracted from the Integrated Road Information System. Multinomial logistic regression was used to identify the road user factors significantly associated with a driver/rider recorded BAC of 0.001-0.049g/100ml; 0.05-0.10g/100ml and greater than 0.101g/100ml compared with zero BAC (reference group). Compared with drivers/riders with a BAC level of zero, the odds of recording a higher level BAC was significantly greater for those who were younger, male, unlicensed, and not wearing a seatbelt. Location of crash (remote area) was only significant at the highest level of BAC. The findings highlight the need for interventions that target lat risk driversr and address the relationship between drink driving and other on-road risk behaviours.
Publication Year: 2013
Publication Date: 2013-08-01
Language: en
Type: article
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