Yonsei medical journal · 2025
Impact of Adherence to Digital Cognitive Behavioral Therapy for Insomnia Effectiveness.
СтатьяРандомизированное исследованиеМногоцентровое исследованиеНазвание и аннотация: Перевод в очереди
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Lee Suonaa, Park Kyung Mee, Lee Do Hyun, Choi Eun Chae, Lee Yujin, Lee Eun
Аннотация
PURPOSE: Although digital cognitive behavioral therapy for insomnia (dCBT-I) offers a promising solution to the accessibility limitations of traditional face-to-face CBT-I, few studies have examined dCBT-I against a sham app and adherence issues remain. This study assessed the efficacy of dCBT-I compared with a sham app and investigated whether adherence predicts sleep outcomes.
MATERIALS AND METHODS: In this combined analysis of two multicenter, double-blind, sham-controlled randomized controlled trials, 120 patients with insomnia were randomized to use the dCBT-I app (n=60) or a sham app (n=60). The primary outcome was the change in sleep efficiency (SE) from baseline after the 6-week intervention. The relationship between adherence to sleep restriction therapy (SRT) and sleep outcomes post-intervention was assessed.
RESULTS: After adjusting for age, sex, sleep medication use, and baseline levels of each outcome variable, the dCBT-I group demonstrated better treatment outcomes than the sham app group, with significant improvements of 7.69% in SE [95% confidence interval (CI), 3.09% to 12.30%; p=0.001], -16.77 minutes in sleep onset latency (95% CI, -31.48 to -2.06 minutes; p=0.026), and -0.97 in dysfunctional beliefs about sleep (95% CI, -1.46 to -0.48; p<0.001) from baseline. Poorer adherence to SRT was associated with reduced SE (p=0.006) and increased nighttime wakefulness (p=0.002) after controlling for age, sex, years of education, and the baseline value of each outcome variable.
CONCLUSION: This combined analysis demonstrates the efficacy of dCBT-I in improving sleep outcomes compared with a sham app and highlights the role of adherence to SRT in enhancing treatment efficacy. The two studies were registered with ClinicalTrials.gov (NCT05822999, NCT05809544).
MATERIALS AND METHODS: In this combined analysis of two multicenter, double-blind, sham-controlled randomized controlled trials, 120 patients with insomnia were randomized to use the dCBT-I app (n=60) or a sham app (n=60). The primary outcome was the change in sleep efficiency (SE) from baseline after the 6-week intervention. The relationship between adherence to sleep restriction therapy (SRT) and sleep outcomes post-intervention was assessed.
RESULTS: After adjusting for age, sex, sleep medication use, and baseline levels of each outcome variable, the dCBT-I group demonstrated better treatment outcomes than the sham app group, with significant improvements of 7.69% in SE [95% confidence interval (CI), 3.09% to 12.30%; p=0.001], -16.77 minutes in sleep onset latency (95% CI, -31.48 to -2.06 minutes; p=0.026), and -0.97 in dysfunctional beliefs about sleep (95% CI, -1.46 to -0.48; p<0.001) from baseline. Poorer adherence to SRT was associated with reduced SE (p=0.006) and increased nighttime wakefulness (p=0.002) after controlling for age, sex, years of education, and the baseline value of each outcome variable.
CONCLUSION: This combined analysis demonstrates the efficacy of dCBT-I in improving sleep outcomes compared with a sham app and highlights the role of adherence to SRT in enhancing treatment efficacy. The two studies were registered with ClinicalTrials.gov (NCT05822999, NCT05809544).