Smartphone-delivered cognitive behavioral therapy for subthreshold depression with physical comorbidities: Evidence from the RESiLIENT trial.
Beibei Cui, Yan Luo, Aran Tajika et al.
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In 30 seconds
This randomized controlled trial analyzed the effectiveness of smartphone-delivered cognitive behavioral therapy (CBT) for subthreshold depression in 3577 participants, including those with physical comorbidities. All CBT interventions significantly improved depression scores at week 6, with behavioral activation combined with problem solving showing the largest effects. By week 26, benefits were maintained across all groups.
Key findings
- Behavioral activation combined with problem solving showed the largest effect in the no comorbidity group with a mean difference of -1.74.
- In the current comorbidity group, the mean difference was -1.94 for the same intervention.
- By week 26, benefits of BA combined with cognitive restructuring were maintained across all comorbidity groups.
- Latent class analysis identified five multimorbidity classes impacting outcomes.
Why it matters
The findings suggest that smartphone-delivered CBT can effectively address depressive symptoms in patients with subthreshold depression, including those with physical comorbidities, highlighting its potential as a scalable mental health intervention.