Many Ways to be Lonely: Fine-grained Characterization of Loneliness and its Potential Changes in COVID-19
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Loneliness has been associated with negative outcomes for physical and mental health. Understanding how people express and cope with various forms of loneliness is critical for early screening and targeted interventions to reduce loneliness, particularly among vulnerable groups such as young adults. To examine how different forms of loneliness and coping strategies manifest in loneliness self-disclosure, we built a dataset, FIG-Loneliness (FIne-Grained Loneliness) by using Reddit posts in two young adult-focused forums and two loneliness related forums consisting of a diverse age group. We provide annotations by trained human annotators for binary and fine-grained loneliness classifications of the posts. Trained on FIG-Loneliness, two BERT-based models were used to understand loneliness forms and authors' coping strategies in these forums. Our binary loneliness classification archived an accuracy above 97 accuracy of 77 predictions, we found that loneliness expressions in the young adult related forums are distinct from other forums. Those in young adult-focused forums are more likely to express concerns pertaining to peer relationship, and are potentially more sensitive to geographical isolation impacted by the COVID-19 pandemic lockdown. Also, we show that different forms of loneliness have differential use in coping strategies.
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