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首页> 外文期刊>Journal of studies on alcohol and drugs. >Accuracy of photographs to capture respondent-defined drink size.
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Accuracy of photographs to capture respondent-defined drink size.

机译：照片的准确性，以捕获受访者定义的饮料量。

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OBJECTIVE: Evidence suggests that people misjudge the size of their drinks, calling into question the validity of data from surveys and screening instruments assessing alcohol quantity in terms of standard drinks. This article studied the validity of photographs of glasses to assess drink size. METHOD: In a U.S. national sample of 323 drinkers, respondents were mailed a measuring beaker and a set of photographs of wine, beer, and other drinking glasses for use in a subsequent telephone survey. In the interview, they were asked to pick the glass most similar to what they use at home and to identify the letter associated with their usual pour level. Then, a protocol where subjects measured the actual number of ounces in their typical drink, by pouring water into their usual glass and measuring this volume using the measuring beaker, gave a direct measure of home drink volume. We compared drink sizes using the two approaches. RESULTS: Photographs worked well for certain groups, including women, young people, and nonwhites (for wine) and whites (for beer). The greatest magnitude of error arising from the use of photographs was for wine drinks among those age 50 and older, those with a 4-year degree, frequent 5+ drinkers in general, and heavy-volume wine drinkers. Average drink size based on the most popular wine and beer glasses in the photographs were 0.62 oz (18 ml) and 1.62 oz (48 ml) larger than beaker pours, respectively. Error between actual drinks and photographs was especially high for a large balloon-shaped wine glass, chosen by only 3% of wine drinkers. CONCLUSIONS: Whenever possible, researchers and clinicians should incorporate protocols that allow for some type of direct measurement using the actual vessels from home. When this is not viable, photographs represent a solution that is practical, shows promise for beer and wine drinks, and is relevant to any drinking context.
机译：目的：证据表明人们会误判其饮料的大小，这使根据标准饮料对酒精含量进行评估的调查和筛查工具的数据的有效性受到质疑。本文研究了眼镜照片评估饮料量的有效性。方法：在美国全国323名饮酒者的样本中，向受访者邮寄了一个量杯和一组葡萄酒，啤酒和其他水杯的照片，以用于随后的电话调查。在采访中，他们被要求挑选与他们在家中使用的最相似的玻璃杯，并确定与他们通常的倾倒水平有关的字母。然后，根据一项协议，受试者通过将水倒入其常用的玻璃杯中并使用量杯来测量其标准饮料中的实际盎司数，从而可以直接测量家庭饮料的体积。我们使用两种方法比较了饮料的大小。结果：照片在某些人群中效果很好，包括妇女，年轻人，非白人（葡萄酒）和白人（啤酒）。使用照片引起的最大误差是年龄在50岁及以上，年龄在4岁以下，通常喝酒次数超过5人，酒量大的人中的葡萄酒。根据照片中最受欢迎的葡萄酒杯和啤酒杯的平均饮料量分别比烧杯大0.62盎司（18毫升）和1.62盎司（48毫升）。对于大型气球形酒杯，实际饮酒和照片之间的误差特别高，只有3％的饮酒者选择这种酒。结论：只要有可能，研究人员和临床医生都应采用规程，允许使用在家中的实际血管进行某种直接测量。如果这样做不可行，则照片代表一种可行的解决方案，可以显示出啤酒和葡萄酒饮料的前景，并且与任何饮酒环境有关。

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