대학생을 대상으로 한 불면증 인지행동치료 프로그램(CBT-I)의 효과
Effects of Cognitive-Behavioral Therapy of Insomnia on Korean College Students
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초록
불면증 인지행동치료(Cognitive Behavioral Therapy of Insomnia: CBT-I)는 불면증 환자의 치료에서 가장 우선시되는 처치이다. 본 연구의 목적은 한국의 대학생들을 대상으로 CBT-I 프로그램의 효과를 검증하는 것이다. 이를 위해 본 연구에서는 CBT-I 프로그램에 자발적인 참여 의사를 밝힌 인원 중 불면증 심각도 척도(Insomnia Severity index: ISI) 점수가 8점 이상인 11명을 실험집단으로, 9명을 통제집단으로 무선 할당하였다. 집단원들의 불면증 심각도 척도 점수, 총 침상각성시간(Total Wake Time: TWT)과 낮잠시간의 변화를 알아보기 위해 프로그램 사전, 사후에 ISI 척도를 실시하였으며 매일 수면일지를 작성하도록 지시하였다. 불면증 인지행동치료 프로그램의 효과 검증을 위하여 집단의 처치 수준간의 상호작용 효과를 반복측정 변량분석을 사용해 검증한 결과, 실험 집단의 불면증 심각도 점수, 총 침상각성시간, 낮잠 시간이 통제집단과 비교했을 때 모두 유의미하게 감소되었다. 이와 일치되게 피험자 내 효과 크기(Effect Size)를 구해 보았을 때 프로그램이 불면증 불편감, 낮잠 시간, 총 침상각성시간에 모두 매우 크거나 큰 영향을 미친 것으로 나타났다. 이러한 결과들을 종합적으로 고려해 볼 때, 본 연구에서 사용된 불면증 인지행동치료 프로그램이 한국의 대학생들의 불면증 심각도를 개선하고 수면 질을 높이는 데 효과적이라는 결론을 잠정적으로 내릴 수 있다.
Abstract
Cognitive-behavioral therapy for insomnia(CBT-I) is recommended as the 1st choice of treatment for insomnia patients. The present study was conducted to examine the effects of a CBT-I for enhancing Korean college student's sleep quality. Of 11 college students assigned to experimental group and 9 student to controlled group. Participants were carried out ISI scale and written daily sleep diary during pre to post program to evaluate the change of the insomnia severity index score, Total Wake Time (TWT) and the nap time. The program consist of stimulation-control, sleep restriction, relaxation, sleep hygiene, cognitive reconstructing. Compared to pre- program, program participants showed significant or marginally significant improvements in sleep quality, a midday nap, total wake time(TWT). In addition, dependent measures yielded large or very large effect sizes from pre-program to post-program. Therefore, these results suggest that the cognitive behavioral therapy of insomnia program is effective in improving sleep quality, a midday nap, total wake time on Korean college students.
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