青少年在Instagram上看到的内容:内容分析 #间歇性禁食, #食, 和 #低碳水化合物
Natalie B Lister1, Hannah Melville1, Hiba Jebeile1
1Children's Hospital Westmead Clinical School, The University of Sydney, Westmead, New South Wales, Australia.
概括
社交媒体上关于间歇性禁食,基托饮食和低碳水化合物饮食的帖子主要包括动物性食品,而不是营养信息. 这些在Instagram上流行的饮食标签对寻求饮食指导的青少年没有帮助.
科学领域:
- 营养科学 营养科学
- 社会媒体研究 社交媒体研究
- 青少年健康 青少年健康
背景情况:
- 社交媒体平台是青少年健康信息的重要来源.
- 流行饮食趋势,如间歇性禁食,基因 (keto) 和低碳水化合物 (低碳水化合物) 饮食,在网上广泛讨论.
- 了解青少年在这些平台上遇到的内容对于公共卫生至关重要.
研究的目的:
- 分析和描述与青少年社交媒体上的#intermittentfasting,#keto和#lowcarb标签相关的流行的饮食相关内容.
- 为了识别在线这些流行的饮食社区中呈现的食物类型,人员和信息.
主要方法:
- 采用系统方法,在两个不同的时间点,从Instagram上捕获200张"顶级"图像,用于三个饮食标签 (#间歇性禁食,#keto,#lowcarb) 的每一个标签.
- 图像使用预定义的本体学进行分类,将内容分类为食物 (核心/自由裁量),人 (个人,团体,前/后) 或信息.
- 使用描述性统计数据来总结不同标签的编码数据.
主要成果:
- 在Instagram上,有数以百万计的帖子是关于#间歇性禁食,#食和#低碳水化合物饮食的,随着时间的推移,这些帖子显著增长.
- 大多数内容包括食物图像 (44-69%),主要是动物蛋白质,以及人体图像 (14-39%),经常显示个体或变化前/后,经常显示白人女性.
- 一小部分职位 (2.3%) 提供营养信息,而超过12%的职位与商业产品或计划有关.
结论:
- 在Instagram上的饮食内容在#intermittentfasting,#keto和#lowcarb的标签下,主要是促进动物性食品,通常含有有限或不含蔬菜.
- 这些社交媒体标签并不能作为青少年营养教育的可靠来源.
- 这些发现表明,青少年通过这些流行的标签在网上寻找饮食信息,不太可能找到基于证据的指导,可能导致错误的饮食选择.
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