Effects of NLP Chatbots on Loneliness, Depression, and Quality of Life Among Older Adults: A Systematic Review.
J Am Med Dir AssocAug 20, 2026 (epub)
Jialing Wang, Xue Wang, Xiaorong Dong et al.
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In 30 seconds
This systematic review evaluated the effectiveness of NLP-based chatbots in reducing loneliness and depression among older adults. It included 11 studies, comprising 4 randomized controlled trials and 7 quasi-experimental trials. The review found that 66.7% of studies reported significant reductions in loneliness, while 50% showed improvements in depression, with no significant changes in overall quality of life.
Key findings
- 66.7% of studies reported significant reductions in loneliness among older adults using NLP chatbots.
- 50% of studies indicated improvements in depression levels with chatbot interventions.
- No significant overall changes in quality of life were observed, though some subdomain improvements were noted.
- High feasibility was reported with attrition rates of 20% or less.
Why it matters
Understanding the potential of NLP chatbots to alleviate loneliness and depression in older adults is crucial, given the high prevalence of these issues in this population. Effective interventions can enhance mental well-being and overall quality of life.