One-year outcomes of a therapist-supported, smartphone-based intervention for elevated symptoms of depression and anxiety
semanticscholar(2019)
摘要
Depression is common and severely impacts physical, psychological and social functioning. To address access barriers to care, we developed Ascend - a smartphone-delivered, therapist-supported, 8-week intervention based on several evidence-based psychological treatments for depression and anxiety. We examined whether the previously-reported, end-of-treatment improvements among 102 adults with elevated symptoms of depression extended up to 12 months post-treatment for depression symptoms (measured by the Patient Health Questionnaire [PHQ-9]), and up to 6 months post-treatment for anxiety symptoms (added to the intervention later, and measured by the Generalized Anxiety Disorder scale [GAD-7]). An intention-to-treat analysis showed that participants maintained clinically significant improvements in depression (mean PHQ-9 reduction=6.67, Hedges’ g = 1.14 [0.78 to 1.49]) and in anxiety (mean GAD-7 reduction=4.26, Hedges’ g = 0.91 [0.54 to 1.28]) at follow-up. Also, 60% of participants above the cutoff for major depression at baseline (PHQ ≥ 10) experienced ≥ 50% reduction in PHQ-9 score and had PHQ-9 < 10 at follow-up. Future randomized trials are warranted to test Ascend as a scalable solution to the treatment of depression and/or symptoms of anxiety.
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