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1
Does Viral Anxiety Influence the Insomnia Severity Among Patients With Insomnia Disorder During COVID-19 Pandemic?

Sleiman Jana,Cho Eulah,Lee Dongin,Cho Inn-Kyu,Chung Seockhoon,Uygur Omer Faruk 대한수면학회 2023 sleep medicine research Vol.14 No.1
Background and Objective We aimed to investigate whether viral anxiety affects insomnia severity in patients with insomnia disorder during the coronavirus disease 2019 (COVID-19) pandemic. In addition, we examined whether viral anxiety mediates the influence of dysfunctional beliefs about sleep on insomnia severity.Methods The medical records of 111 patients who visit the sleep clinic from September 2021 to May 2022 were reviewed. Patients’ symptoms were rated with rating scales including Insomnia Severity Index (ISI), Stress and Anxiety to Viral Epidemics-6 items (SAVE-6), Dysfunctional Beliefs and Attitudes about Sleep-16 items (DBAS-16), Patient Health Questionnaire-9 items (PHQ-9), Epworth Sleepiness Scale, and discrepancy between desired time in bed and desired total sleep time (the DBST index).Results The SAVE-6 score was not significantly correlated with ISI score among insomnia patients. Linear regression analysis showed that the ISI score was expected by PHQ-9 (β = 0.21, p = 0.038) and DBAS-16 (β = 0.42, p < 0.001). Mediation analysis showed that viral anxiety did not mediate the influence of dysfunctional beliefs about sleep on insomnia severity.Conclusions We could not observe the mediating effect of viral anxiety on the association between dysfunctional beliefs about sleep on insomnia severity. Though COVID-somnia was one of big issues in this COVID-19 pandemic, the influence of virus on the severity of insomnia among insomnia patients needs to be interpreted cautiously.
2
Validation of Shortened Forms of Metacognition Questionnaire-Insomnia and Its Feasibility in the Discrepancy-Cognitive Arousal Model of Insomnia Among Patients With Cancer

Jana Sleiman,Oli Ahmed,Seockhoon Chung 대한신경정신의학회 2024 PSYCHIATRY INVESTIGATION Vol.21 No.6
- 원문보기 2
  KCI
  
  스콜라
Objective We aimed to explore the reliability and validity of the two shortened versions of the Metacognition Questionnaire-Insomnia (Metacognition Questionnaire-Insomnia-6 items [MCQI-6], Metacognition Questionnaire-Insomnia-14 items [MCQI-14]) among patients with cancer and examine the feasibility of the Discrepancy-Cognitive Arousal (DCA) model of insomnia among the cancer patients. Methods A total of 154 patients with cancer were enrolled in this survey, which included rating scales such as the discrepancy between desired time in bed and desired total sleep time (DBST) index, Insomnia Severity Index (ISI), Cancer-related Dysfunctional Beliefs and Attitude about Sleep-14 items (C-DBAS-14), MCQI-6, and MCQI-14. Results Both the MCQI-6 and MCQI-14 showed a good reliability of internal consistency. Confirmatory factor analysis showed a good model fit for two single-factor shortened versions. The total score of the MCQI-6 was significantly correlated with the MCQI-14 (r=0.97, p<0.01), ISI (r=0.68, p<0.01), C-DBAS-14 (r=0.78, p<0.01), and DBST index (r=0.21, p<0.05). Mediation analysis showed that the DBST index did not directly influence insomnia severity; however, the relationship was mediated by cancer-related dysfunctional beliefs about sleep and sleep-related metacognitive process among patients with cancer. Conclusion The Korean versions of MCQI-6 and MCQI-14 are useful, reliable, and valid tools to evaluate sleep-related metacognitive processes among patients with cancer. The DCA model of insomnia was feasible even among cancer patients.