The Kindness of Commenters: An Empirical Study of the Effectiveness of Perceived and Received Support for Weight-Loss Outcomes

38 Pages Posted: 14 Apr 2017 Last revised: 19 Feb 2020

See all articles by Lu (Lucy) Yan

Lu (Lucy) Yan

Indiana University - Kelley School of Business - Department of Operation & Decision Technologies

Date Written: February 8, 2020

Abstract

Social media-based online communities are becoming increasingly popular for various social interactions, including those for healthcare and health-related activities. The benefits from these activities, however, are constrained by how a platform is designed, as a platform’s design defines what activities can be done and how individuals can engage and interact on the platform. In this study, we focus on weight-loss communities and social tools that facilitate social communication and establish a variety of relationships between users. In particular, we examine the effectiveness of one-way and two-way social relationships on individuals’ weight-loss management. Drawing from theories of social support, social reciprocity, and social indebtedness, we use two-way friendship relationships to proxy perceived support and one-way commenting relationships to proxy received support and conjecture that they work through different pathways. We find, through empirical analysis, that both types of social relationships as well as self-monitoring are effective in promoting weight loss, but perceived and received support have different impacts. Whereas both perceived and received support are positively related to weight-loss outcomes, the effect of received support is found to be higher than that of perceived support and the difference is statistically significant. Moreover, we find that received support is positively associated with self-monitoring behaviors, whereas perceived support is not. These findings provide insights for platform providers to improve the social design aspect of online services and for healthcare providers and practitioners in their efforts to advise individuals on weight self-management. Our results also can be used to design and implement more effective online interventions.

Keywords: Online Weight-Loss Community, Social Network, Self-Monitoring, Social Reciprocity, Social Indebtedness, Social Support

Suggested Citation

Yan, Lu (Lucy), The Kindness of Commenters: An Empirical Study of the Effectiveness of Perceived and Received Support for Weight-Loss Outcomes (February 8, 2020). Kelley School of Business Research Paper No. 17-29. Available at SSRN: https://ssrn.com/abstract=2949344 or http://dx.doi.org/10.2139/ssrn.2949344

Lu (Lucy) Yan (Contact Author)

Indiana University - Kelley School of Business - Department of Operation & Decision Technologies ( email )

Department of Operations and Decision Technologies
1309 E. Tenth Street
Bloomington, IN 47401
United States

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