Department of Obstetrics and Gynecology, Oregon Health and Science University, 3181 SW Sam Jackson Park Rd., L 466, Portland, OR 97239, USA.
Nutr J. 2013 Jun 6;12:72. doi: 10.1186/1475-2891-12-72.
This study used focus groups to pilot and evaluate a new nutrition label format and refine the label design. Physical activity equivalent labels present calorie information in terms of the amount of physical activity that would be required to expend the calories in a specified food item.
Three focus groups with a total of twenty participants discussed food choices and nutrition labeling. They provided information on comprehension, usability and acceptability of the label. A systematic coding process was used to apply descriptive codes to the data and to identify emerging themes and attitudes.
Participants in all three groups were able to comprehend the label format. Discussion about label format focused on issues including gender of the depicted figure, physical fitness of the figure, preference for walking or running labels, and preference for information in miles or minutes. Feedback from earlier focus groups was used to refine the labels in an iterative process.
In contrast to calorie labels, participants shown physical activity labels asked and answered, "How does this label apply to me?" This shift toward personalized understanding may indicate that physical activity labels offer an advantage over currently available nutrition labels.
本研究采用焦点小组对新的营养标签格式进行试点和评估，并对标签设计进行优化。活动量相当标签以消耗特定食物中卡路里所需的活动量来呈现卡路里信息。
三组共二十名参与者讨论了食物选择和营养标签。他们提供了关于标签的理解、可用性和可接受性的信息。采用系统的编码过程将描述性代码应用于数据，并确定新出现的主题和态度。
所有三组参与者都能够理解标签格式。关于标签格式的讨论集中在以下问题上，包括所描绘人物的性别、人物的健康水平、对步行或跑步标签的偏好，以及对英里或分钟信息的偏好。早期焦点小组的反馈用于迭代过程优化标签。
与卡路里标签相比，参与者看到活动量标签时会问并回答：“这个标签对我有什么影响？”这种向个性化理解的转变可能表明活动量标签比目前可用的营养标签具有优势。
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