Has increased body weight made driving safer?

Has increased body weight made driving safer?
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体重增加是否使驾驶变得更安全?

DOI:
10.1002/hec.2991
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发表时间:
2014
期刊:
影响因子:
2.1
通讯作者:
Tefft,NathanW
Tefft,NathanW
中科院分区:
医学3区
文献类型:
--
作者:
Dunn,RichardA;Tefft,NathanW

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我们开发了一个模型的酒精消费量,包括身体质量和醉酒条件的总酒精消费量之间的负面生物关系。我们的模型预测,醉酒对体重的弹性等于酒精本身的价格弹性,这与体重增加醉酒的有效价格一致。考虑到酒精通常被认为是价格无弹性的,这一结果意味着随着体重的增加,他们会消耗更多的酒精,但会变得不那么醉。我们测试了这一预测,发现司机血液酒精含量(BAC)与司机体重呈负相关。在BAC高于0.10的致命事故中,司机肥胖的可能性比不涉及酒精的致命事故中的司机低7.8个百分点。这种关系无法用驾驶员属性(年龄和性别)、驾驶员行为(速度和安全带使用)、车辆属性(重量等级、车型年份和乘员数量)或事故背景(事故发生的县、时间和星期几)来解释。版权所有© 2013约翰威利父子有限公司.
We develop a model of alcohol consumption that incorporates the negative biological relationship between body mass and inebriation conditional on total alcohol consumption. Our model predicts that the elasticity of inebriation with respect to weight is equal to the own‐price elasticity of alcohol, consistent with body mass increasing the effective price of inebriation. Given that alcohol is generally considered price inelastic, this result implies that as individuals gain weight, they consume more alcohol but become less inebriated. We test this prediction and find that driver blood alcohol content (BAC) is negatively associated with driver weight. In fatal accidents with driver BAC above 0.10, the driver was 7.8 percentage points less likely to be obese than drivers in fatal accidents that did not involve alcohol. This relationship is not explained by driver attributes (age and sex), driver behaviors (speed and seatbelt use), vehicle attributes (weight class, model year, and number of occupants), or accident context (county of accident, time of day, and day of week). Copyright © 2013 John Wiley & Sons, Ltd.
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