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Cyberpsychol Behav Soc Netw. 2018 Mar;21(3):157-167. doi: 10.1089/cyber.2017.0476.

Interactive Effects of Instagram Foodies' Hashtagged #Foodporn and Peer Users' Eating Disorder on Eating Intention, Envy, Parasocial Interaction, and Online Friendship.

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School of Business, Sejong University , Gwangjin-gu, Seoul, Korea.


Drawing from social comparison theory, parasocial interaction (PSI) theory, and the literature on envy, a randomized experiment addressed the dynamics of body image, fame, and envy in the context of foodies' foodporn posting on Instagram. Using a 2 (foodie's body type: fat vs. thin) × 2 (foodie's Instagram popularity: unpopular vs. popular) between-subjects design, this experiment (N = 141) examined the effects of an Instagram foodie's body shape and popularity level on peer Instagram users' eating intention, envy, and PSI with the Instagram foodie. The results showed main effects of an Instagram foodie's body shape on peer users' eating intention, and moderating effects of users' self-esteem, body mass index, perfectionism, anorexia, and bulimia nervosa. Additionally, envy mediated the effects of the Instagram foodie's body shape and popularity on peer users' PSI with the foodie and intention to build an Instagram-based friendship. Theoretical contributions to the literature on social comparison and eating disorder and practical implications for fitspiration and social media-based health interventions are discussed.


Instagram foodies; fitspiration; food fetishization; foodporn hashtags; parasocial interaction; perfectionism; social comparison; social media envy

[Indexed for MEDLINE]

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