"I have no clue what I drunk last night" using Smartphone technology to compare in-vivo and retrospective self-reports of alcohol consumption.
"I have no clue what I drunk last night" using Smartphone technology to compare in-vivo and retrospective self-reports of alcohol consumption.
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DOI：
10.1371/journal.pone.0126209
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发表时间：
2015
期刊：
影响因子：
3.7
通讯作者：
Price A
中科院分区：
文献类型：
--
作者：
Monk RL;Heim D;Qureshi A;Price A
本研究比较了酒精消费的实时测量与酒精消费的回顾性账户，以检查不同账户之间可能存在的差异和背景影响。在以前调查的基础上，专门设计的智能手机技术被用来测量实际上实时的酒精消费和环境影响。实时数据（与饮料类型和数量以及当前社会/环境背景相关的共10，560个数据点）与每日和每周的酒精消费回顾账户进行了比较。参与者报告说，在实时评估期间比回顾性地消耗更多的酒精饮料。对于日常账户，实时消费的饮料数量越多，实时和追溯账户之间的差异越大。这种效应在所有类型的饮料中都存在，但并不受社会和环境背景的影响。较高的体内酒精消耗量似乎与回顾性报告的除葡萄酒以外的酒精饮料类型的每周消耗量的较高差异有关。当将上下文因素纳入统计模型时，与两个或更多朋友在一起（而不是独自一人）减少了实时报告和回顾性报告之间的差异，而在酒吧（相对于在家）与更大的差异相关。总的来说，回顾性的账目可能会低估实际的、实时的酒精消费量。消费的增加也可能加剧实时和追溯账户之间的差异。尽管如此，这并不是一个全球性的影响，因为环境和社会背景与所消费的酒精类型和报告的时间框架（每周与每日回顾）相互作用。因此，在使用回顾性自我报告方法记录酒精消费量方面，似乎需要一定程度的谨慎。虽然实时采样不太可能完全没有错误，但它可能能够更好地解释社会和环境对自我报告消费的影响。
This research compared real-time measurements of alcohol consumption with retrospective accounts of alcohol consumption to examine possible discrepancies between, and contextual influences on, the different accounts. Building on previous investigations, a specifically designed Smartphone technology was utilized to measure alcohol consumption and contextual influences in de facto real-time. Real-time data (a total of 10,560 data points relating to type and number of drinks and current social / environmental context) were compared with daily and weekly retrospective accounts of alcohol consumption. Participants reported consuming more alcoholic drinks during real-time assessment than retrospectively. For daily accounts a higher number of drinks consumed in real-time was related to a higher discrepancy between real-time and retrospective accounts. This effect was found across all drink types but was not shaped by social and environmental contexts. Higher in-vivo alcohol consumption appeared to be related to a higher discrepancy in retrospectively reported weekly consumption for alcohol beverage types other than wine. When including contextual factors into the statistical models, being with two or more friends (as opposed to being alone) decreased the discrepancy between real-time and retrospective reports, whilst being in the pub (relative to being at home) was associated with greater discrepancies. Overall, retrospective accounts may underestimate the amount of actual, real-time alcohol consumed. Increased consumption may also exacerbate differences between real-time and retrospective accounts. Nonetheless, this is not a global effect as environmental and social contexts interact with the type of alcohol consumed and the time frame given for reporting (weekly vs. daily retrospective). A degree of caution therefore appears warranted with regards to the use of retrospective self-report methods of recording alcohol consumption. Whilst real-time sampling is unlikely to be completely error free, it may be better able to account for social and environmental influences on self-reported consumption.
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