Swedish Institute for Social Research, Stockholm University, Stockholm, Sweden.
Addiction. 2013 Jun;108(6):1051-8. doi: 10.1111/add.12126. Epub 2013 Mar 6.
Research suggests an association between population drinking and a large number of outcomes. However, driving while under the influence of alcohol (DWI) is conspicuously absent from this list of outcomes. The aim of this study was to estimate the relation between DWI and total consumption of alcohol on annual time-series data for Norway and Sweden. DESIGN, SETTING, AND MEASUREMENTS: For Norway, we used data on convictions for DWI per 100 000 inhabitants (aged 15-69 years). The DWI proxy for Sweden comprised the proportion (%) of all police-reported traffic accidents with personal injuries where the driver was under the influence of alcohol. Data on total alcohol sales in litres of pure alcohol per inhabitant (aged 15 years and older) were used as proxy for total alcohol consumption. We focused on the period 1957-89, during which the legislation concerning DWI remained unchanged in Norway as well as in Sweden. The statistical analyses were based on co-integrated models.
The estimates of the association between DWI and per capita alcohol consumption were strongly significant in Norway as well as in Sweden. For Norway, the estimated elasticity equalled 2 (P < 0.001) and for Sweden 1.5 (P < 0.001).
In Norway and Sweden, as total population level of alcohol consumption increases or decreases so does the incidence of driving while intoxicated.
研究表明，人群饮酒与许多结果之间存在关联。然而，在这些结果中，明显没有酒后驾车（DWI）这一项。本研究的目的是估计挪威和瑞典的年度时间序列数据中 DWI 与总饮酒量之间的关系。
设计、设置和测量：对于挪威，我们使用每 10 万居民（15-69 岁）因 DWI 被定罪的数据。瑞典的 DWI 代表了所有涉及个人受伤的警方报告的交通事故中，驾驶员处于醉酒状态的比例（%）。作为总饮酒量的代表，我们使用了每居民（15 岁及以上）纯酒精销售量的数据。我们关注的是 1957-89 年期间，在这段时间里，挪威和瑞典的 DWI 立法都没有改变。统计分析基于协整模型。
在挪威和瑞典，DWI 与人均酒精消费之间的关联估计值具有很强的显著性。在挪威，估计的弹性为 2（P<0.001），在瑞典为 1.5（P<0.001）。
在挪威和瑞典，随着总人口酒精消费水平的增加或减少，醉酒驾车的发生率也随之增加。
