The Feasibility of Using Instagram Data to Predict Exercise Identity and Physical Activity Levels: Cross-sectional Observational Study.
The Feasibility of Using Instagram Data to Predict Exercise Identity and Physical Activity Levels: Cross-sectional Observational Study.
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DOI：
10.2196/20954
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发表时间：
2021-04-19
影响因子：
7.4
通讯作者：
Rhodes RE
中科院分区：
文献类型：
--
作者：
Liu S;Perdew M;Lithopoulos A;Rhodes RE
运动认同是规律身体活动（PA）的重要预测因子。对同一性发展的潜在机制或前因缺乏研究。运动认同理论提出，投入、承诺和自我参照（例如，我是一个锻炼者）陈述以及社会激活（比较、支持）可能对认同发展至关重要。社交媒体可能是塑造身份的潜在机制。本研究的目的是：(1)探索参与者是否愿意与研究人员分享他们的Instagram数据，以预测他们的生活方式行为；(2)检验健身相关的Instagram使用（即健身相关Instagram帖子的百分比、健身相关关注和健身相关帖子的点赞数）是否与运动认同呈正相关；(3)评估运动认同是否在PA相关Instagram使用与每周PA分钟之间起到中介作用。参与者（18-30岁）被要求完成一份调查问卷，以评估他们目前的运动身份和PA水平。在完成问卷调查之前，参与者过去12个月的Instagram数据被提取出来并在他们的许可下进行分析。研究人员提取并分析了参与者在评估前12个月内与健身相关的Instagram帖子，每个与健身相关的帖子收到的点赞数量，以及与健身或健身相关的验证关注。使用Pearson相关分析来评估运动认同、PA和Instagram使用之间的关系。我们使用PROCESS宏观建模工具进行中介分析，以检验运动身份是否介导Instagram使用变量与PA之间的关系。描述性统计分析用于比较愿意分享Instagram数据的参与者和不愿意分享Instagram数据的参与者的数量。在招募的76名参与者中，54% （n=41）分享了他们的Instagram数据。与健身相关的Instagram帖子百分比（r=0.38； P= 0.01）和与健身相关的Instagram关注百分比（r=0.39； P= 0.01）与运动认同显著相关。收到的“喜欢”的平均数量（r=0.05， P= 0.75）与运动认同没有显著相关。运动身份显著影响Instagram使用指标（即与健身相关的Instagram帖子的百分比[P=.01]和与健身相关的Instagram验证账户的百分比[P=.01]）与健身水平之间的关系。运动身份对PA相关Instagram帖子的平均“喜欢”数与PA水平之间的关系没有显著影响。我们的研究结果表明，与健身相关的Instagram帖子和健身相关的关注的增加与更强的运动认同感有关。更高的运动认同导致更高的PA水平。运动认同显著影响PA相关Instagram帖子（P= 0.01）和健身相关关注在PA水平上的关系（P= 0.01）。这些结果表明，Instagram可能会影响一个人的运动身份和PA水平。未来的干预研究是必要的。
Exercise identity is an important predictor for regular physical activity (PA). There is a lack of research on the potential mechanisms or antecedents of identity development. Theories of exercise identity have proposed that investment, commitment and self-referential (eg, I am an exerciser) statements, and social activation (comparison, support) may be crucial to identity development. Social media may be a potential mechanism to shape identity. The objectives of this study were to (1) explore whether participants were willing to share their Instagram data with researchers to predict their lifestyle behaviors; (2) examine whether PA-related Instagram uses (ie, the percentage of PA-related Instagram posts, fitness-related followings, and the number of likes received on PA-related posts) were positively associated with exercise identity; and (3) evaluate whether exercise identity mediates the relationship between PA-related Instagram use and weekly PA minutes. Participants (18-30 years old) were asked to complete a questionnaire to evaluate their current levels of exercise identity and PA. Participants’ Instagram data for the past 12 months before the completion of the questionnaire were extracted and analyzed with their permission. Instagram posts related to PA in the 12 months before their assessment, the number of likes received for each PA-related post, and verified fitness- or PA-related followings by the participants were extracted and analyzed. Pearson correlation analyses were used to evaluate the relationship among exercise identity, PA, and Instagram uses. We conducted mediation analyses using the PROCESS macro modeling tool to examine whether exercise identity mediated the relationship between Instagram use variables and PA. Descriptive statistical analyses were used to compare the number of willing participants versus those who were not willing to share their Instagram data. Of the 76 participants recruited to participate, 54% (n=41) shared their Instagram data. The percentage of PA-related Instagram posts (r=0.38; P=.01) and fitness-related Instagram followings (r=0.39; P=.01) were significantly associated with exercise identity. The average number of “likes” received (r=0.05, P=.75) was not significantly associated with exercise identity. Exercise identity significantly influenced the relationship between Instagram usage metrics (ie, the percentage of PA-related Instagram posts [P=.01] and verified fitness-related Instagram accounts [P=.01]) and PA level. Exercise identity did not significantly influence the relationship between the average number of “likes” received for the PA-related Instagram posts and PA level. Our results suggest that an increase in PA-related Instagram posts and fitness-related followings were associated with a greater sense of exercise identity. Higher exercise identity led to higher PA levels. Exercise identity significantly influenced the relationship between PA-related Instagram posts (P=.01) and fitness-related followings on PA levels (P=.01). These results suggest that Instagram may influence a person’s exercise identity and PA levels. Future intervention studies are warranted.
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