Abstract
BackgroundMobile health (mHealth) apps for weight loss (weight loss apps) can be useful diet and exercise tools for individuals in need of losing weight. Most studies view weight loss app users as these types of individuals, but not all users have the same needs. In fact, users with disordered eating behaviors who desire to be underweight are also utilizing weight loss apps; however, few studies give a sense of the prevalence of these users in weight loss app communities and their perceptions of weight loss apps in relation to disordered eating behaviors.ObjectiveThe aim of this study was to provide an analysis of users’ body mass indices (BMIs) in a weight loss app community and examples of how users with underweight BMI goals perceive the impact of the app on disordered eating behaviors.MethodsWe focused on two aspects of a weight loss app (DropPounds): profile data and forum posts, and we moved from a broader picture of the community to a narrower focus on users’ perceptions. We analyzed profile data to better understand the goal BMIs of all users, highlighting the prevalence of users with underweight BMI goals. Then we explored how users with a desire to be underweight discussed the weight loss app’s impact on disordered eating behaviors.ResultsWe found three main results: (1) no user (regardless of start BMI) starts with a weight gain goal, and most users want to lose weight; (2) 6.78% (1261/18,601) of the community want to be underweight, and most identify as female; (3) users with underweight BMI goals tend to view the app as positive, especially for reducing bingeing; however, some acknowledge its role in exacerbating disordered eating behaviors.ConclusionsThese findings are important for our understanding of the different types of users who utilize weight loss apps, the perceptions of weight loss apps related to disordered eating, and how weight loss apps may impact users with a desire to be underweight. Whereas these users had underweight goals, they often view the app as helpful in reducing disordered eating behaviors, which led to additional questions. Therefore, future research is needed.
Highlights
MotivationWhile it is estimated that 30 million people in the United States have an eating disorder, many more have disordered eating behaviors, especially young women [1,2,3]
We found three main results: (1) no user starts with a weight gain goal, and most users want to lose weight; (2) 6.78% (1261/18,601) of the community want to be underweight, and most identify as female; (3) users with underweight body mass index (BMI) goals tend to view the app as positive, especially for reducing bingeing; some acknowledge its role in exacerbating disordered eating behaviors
Principal Findings In summary, we found three main results: (1) no user starts with a weight gain goal, and most users want to lose weight; (2) 6.78% (1261/18,601) of the community want to be underweight, and most identify as female; (3) users with underweight BMI goals tend to view the app as positive; some acknowledge its role in exacerbating disordered eating behaviors
Summary
MotivationWhile it is estimated that 30 million people in the United States have an eating disorder, many more have disordered eating behaviors, especially young women [1,2,3]. Only a few studies have been conducted on the use of mobile health (mHealth) apps for weight loss (weight loss apps) by users with eating disorders and disordered eating behaviors, despite their popularity [7]. In terms of eating disorders and disordered eating, researchers have begun to consider the use of weight loss apps [14,15], but studies to date do not highlight the prevalence of users with disordered eating behaviors within weight loss app communities. Mobile health (mHealth) apps for weight loss (weight loss apps) can be useful diet and exercise tools for individuals in need of losing weight. Users with disordered eating behaviors who desire to be underweight are utilizing weight loss apps; few studies give a sense of the prevalence of these users in weight loss app communities and their perceptions of weight loss apps in relation to disordered eating behaviors
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