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    Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/141499


    Title: Predictors of dropout in university students participating in an 8-week e-mail-based cognitive-behavioral therapy for insomnia intervention
    Authors: 楊建銘
    Yang, Chien-Ming
    Nam, Hyojin;Chang, Jinyoung;Trockel, Mickey;Okajima, Isa;Chan, Ngan Yin;Li, Shirley;Suh, Sooyeon
    Contributors: 心理系
    Keywords: Cognitive-behavioral therapy;Insomnia;Sleep;Treatment dropouts
    Date: 2022-04
    Issue Date: 2022-08-23 15:08:24 (UTC+8)
    Abstract: Purpose: We conducted an exploratory study to identify risk factors of dropout in an 8-week e-mail-based cognitive-behavioral therapy for insomnia (REFRESH) to improve sleep among university students with insomnia symptoms.

    Methods: University and graduate students in Hong Kong and Korea who scored higher than 10 on the Insomnia Severity Index participated in REFRESH.

    Results: Of 158 participants from Hong Kong (n = 43) and Korea (n = 115), 90 (57%) did not complete all 7 sessions, while 52 of 90 (57.8%) dropped out prior to the fourth session. ROC analysis was conducted on the entire sample of 158 participants with intervention completion vs. dropout (non-completion) as the outcome variable. Predictors of dropout were wake time after sleep onset (WASO) < 7.1 min on the weekly sleep diary and expectations for sleep (a subscale of dysfunctional beliefs and attitudes about sleep; DBAS) < 18 at baseline.

    Conclusions: These findings indicate that shorter WASO and less expectations for sleep at baseline were associated with risk of dropout from e-mail delivered self-help CBT-I-based intervention. Our results highlight the importance of identifying and tailoring treatment formats to students based on their presenting sleep characteristics.
    Relation: Sleep and Breathing
    Data Type: article
    DOI link: https://doi.org/10.1007/s11325-022-02609-y
    DOI: 10.1007/s11325-022-02609-y
    Appears in Collections:[Department of Psychology] Periodical Articles

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