Reddit's Appetite: Predicting User Engagement with Nutritional Content

Fuente: arXiv
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Hauptverfasser: Ozegovic, Gabriela, Ruprechter, Thorsten, Helic, Denis
Format: Preprint
Veröffentlicht: 2025
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author Ozegovic, Gabriela
Ruprechter, Thorsten
Helic, Denis
author_facet Ozegovic, Gabriela
Ruprechter, Thorsten
Helic, Denis
contents Food communities on online platforms enjoy great popularity among social media users. Due to the far-reaching consequences of food-related content on user eating behavior, recent research has studied the factors that drive user online engagement with food. While most of these studies have focused on visual aspects of food content in social media, only a few initial studies have explored the impact of nutritional content on user engagement. In this paper, we set out to close this gap and analyze food-related posts on Reddit, focusing on the association between the calories and macronutrients of a meal and engagement levels, particularly the number of comments. To that end, we collect and analyze almost half a million food-related posts and uncover differences in nutritional content between engaging and non-engaging posts. Moreover, we train a series of XGBoost models, and evaluate the importance of nutritional content while predicting user engagement and how posts will resonate with the community. We find that nutritional features improve the baseline model's accuracy by almost 5%, with a positive contribution of calorie density towards the prediction of engagement, suggesting that higher nutritional content is associated with higher levels of user engagement in food-related posts. Our results provide valuable insights for the design of more engaging online initiatives aimed at, for example, encouraging healthy eating habits.
format Preprint
id arxiv_https___arxiv_org_abs_2502_07377
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Reddit's Appetite: Predicting User Engagement with Nutritional Content
Ozegovic, Gabriela
Ruprechter, Thorsten
Helic, Denis
Social and Information Networks
Computers and Society
Food communities on online platforms enjoy great popularity among social media users. Due to the far-reaching consequences of food-related content on user eating behavior, recent research has studied the factors that drive user online engagement with food. While most of these studies have focused on visual aspects of food content in social media, only a few initial studies have explored the impact of nutritional content on user engagement. In this paper, we set out to close this gap and analyze food-related posts on Reddit, focusing on the association between the calories and macronutrients of a meal and engagement levels, particularly the number of comments. To that end, we collect and analyze almost half a million food-related posts and uncover differences in nutritional content between engaging and non-engaging posts. Moreover, we train a series of XGBoost models, and evaluate the importance of nutritional content while predicting user engagement and how posts will resonate with the community. We find that nutritional features improve the baseline model's accuracy by almost 5%, with a positive contribution of calorie density towards the prediction of engagement, suggesting that higher nutritional content is associated with higher levels of user engagement in food-related posts. Our results provide valuable insights for the design of more engaging online initiatives aimed at, for example, encouraging healthy eating habits.
title Reddit's Appetite: Predicting User Engagement with Nutritional Content
topic Social and Information Networks
Computers and Society
url https://arxiv.org/abs/2502.07377