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Do perceived norms of social media users' eating habits and preferences predict our own food consumption and BMI?

机译：感知社交媒体用户的饮食习惯和偏好是否预测了我们自己的食物消费和BMI？

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In laboratory studies, exposure to social norm messages conveying the typical eating behaviour of others has influenced participants' own consumption of food. Given the widespread use of social media, it is plausible that we are implicitly exposed to norms in our wider social circles, and that these influence our eating behaviour, and potentially, Body Mass Index (BMI). This study examined whether four perceived norms (perceived descriptive, injunctive, liking and frequency norms) about Facebook users' eating habits and preferences predicted participants' own food consumption and BMI. In a cross-sectional survey, men and women university students (n = 369; mean age = 22.1 years; mean BMI = 23.7) were asked to report their perceptions of Facebook users' consumption of, and preferences for, fruit, vegetables, energy-dense snacks and sugar sweetened beverages (SSBs), their own consumption of and preferences for these foods, and their BMI. Multiple linear regression revealed that perceived descriptive norms and perceived frequency norms about Facebook users' fruit and vegetable consumption were significant positive predictors of participants' own fruit and vegetable consumption (both ps .05). These findings suggest that perceived norms concerning actual consumption (descriptive and frequency) and norms related to approval (injunctive) may guide consumption of low and high energy-dense foods and beverages differently. Further work is required to establish whether these perceived norms also affect dietary behaviour over time.
机译：在实验室研究中，传达他人的典型饮食行为的社会规范信息影响了参与者自己的食物消费。鉴于社交媒体的广泛使用，我们隐含地暴露在我们更广泛的社交界中的规范，并且这些影响我们的饮食行为，潜在的体重指数（BMI）。本研究审查了关于Facebook用户的饮食习惯和偏好预测参与者自己的食物消费和BMI的四个感知规范（感知的描述性，禁令，喜欢和频率规范）是否进行了四个感知的规范在横断调查，男女大学生（n = 369;平均年龄= 22.1岁;均值bmi = 23.7）被要求报告他们对Facebook用户的消费和偏好，水果，蔬菜，能量的看法 - 阵列小吃和糖加糖饮料（SSBS），他们自己的消费和偏好这些食物，以及他们的BMI。多个线性回归透露，对Facebook用户的水果和蔬菜消费的感知描述性规范和感知频率规范是参与者自己的果实和蔬菜消费的显着阳性预测因子（PS .05）。这些研究结果表明，关于实际消费（描述性和频率）和与批准（禁令）相关的规范的鉴定规范可以指导不同的低能量密集的食品和饮料。需要进一步的工作来确定这些感知规范是否会随着时间的推移而影响饮食行为。

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