Temporal evolution of digital health communication in Rheumatoid Arthritis: A longitudinal NLP analysis of reddit discussions (2018–2024)
Fig 2
Overall sentiment and emotion across the dataset.
(A) Sentiment classification showing the proportions of positive, neutral and negative (B) Emotion classification showing the proportions of anger, disgust, fear, joy, neutral, sadness, and surprise. (C) Emotional trends in posts: Distribution of emotions (anger, disgust, fear, joy, neutral, sadness, and surprise) in posts from r/rheumatoid and r/rheumatoidarthritis during the pre-COVID, COVID, and post-COVID periods. (D) Emotional trends in comments: Distribution of the same emotions in comments from the two subreddits during the same time periods. The y-axis represents the frequency of posts or comments expressing each emotion.