Korean Journal of Psychosomatic Medicine (정신신체의학)

Korean Psychosomatic Society (한국정신신체의학회)
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Test-Retest Reliability of Attention Network Test Scores in Schizophrenia

조현병 환자가 시행한 주의력 네트워크 검사 점수의 검사-재검사 신뢰도

  • Lee, Jae-Chang (Department of Psychiatry, Keyo Hospital, Keyo Medical Foundation) ;
  • Kim, Ji-Eun (Department of Medical Physics, University of Science and Technology) ;
  • Kim, Min-Young (Advanced Instrumentation Institute, Korea Research Institute of Standards and Science) ;
  • Yang, Jisun (Mirae Hospital) ;
  • Han, Myung-Hun (Department of Psychiatry, Konyang University Hospital) ;
  • Kwon, Hyukchan (Advanced Instrumentation Institute, Korea Research Institute of Standards and Science) ;
  • Kim, Kiwoong (Department of Medical Physics, University of Science and Technology) ;
  • Lim, Sanghyun (Department of Medical Physics, University of Science and Technology) ;
  • Jung, Eun-eui ;
  • Kim, Ji-Woong (Department of Psychiatry, Konyang University Hospital) ;
  • Im, Woo-Young (Department of Psychiatry, Konyang University Hospital) ;
  • Lee, Sang-Min (Department of Psychiatry, Konyang University Hospital) ;
  • Kim, Seung Jun (Department of Psychiatry, Konyang University Hospital)
  • 이재창 (계요의료재단 계요병원 정신건강의학과) ;
  • 김지은 (과학기술연합대학원대학교 의학물리학과) ;
  • 김민영 (한국표준과학연구원 첨단측정장비연구소) ;
  • 양지선 (김제미래병원) ;
  • 한명훈 (건양대학교병원 정신건강의학과) ;
  • 권혁찬 (한국표준과학연구원 첨단측정장비연구소) ;
  • 김기웅 (과학기술연합대학원대학교 의학물리학과) ;
  • 임상현 (과학기술연합대학원대학교 의학물리학과) ;
  • 정은의 (건양대학교병원 정신건강의학과) ;
  • 김지웅 (건양대학교병원 정신건강의학과) ;
  • 임우영 (건양대학교병원 정신건강의학과) ;
  • 이상민 (건양대학교병원 정신건강의학과) ;
  • 김승준 (건양대학교병원 정신건강의학과)
  • Received : 2017.12.10
  • Accepted : 2017.12.24
  • Published : 2017.12.31
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Abstract

Objectives : Although the Attention Network Test(ANT) has been widely used to assess selective attention including alerting, orienting, and conflict processing, data on its test-retest reliability are lacking for clinical population. The objective of the current study was to investigate test-retest reliability of the ANT in healthy controls and patients with schizophrenia. Methods : Fourteen patients with schizophrenia and 23 healthy controls participated in the study. They are tested with ANT twice with 1 week interval. Test-retest reliability was analyzed with Pearson and Intra-class correlations. Results : Patients with schizophrenia showed high test-retest correlations for mean reaction time, orienting effect, and conflict effect. Also, they showed moderate to high test-retest correlations for mean accuracy and moderate test-retest correlations for alerting effect and conflict error rate. On the other hand, healthy controls revealed high test-retest correlations for mean reaction time and moderate to high test-retest correlations for conflict error rate. In addition, they revealed moderate test-retest correlations for alert effect, orienting effect, and conflict effect. Conclusions : The mean reaction time, alerting effect, orienting effect, conflict effect, and conflict error rate of ANT showed acceptable test-retest reliabilities in healthy controls as well as patient with schizophrenia. Therefore, the analyses of these reliable measures of ANT are recommended for case-control studies in patients with schizophrenia.

연구목적 조현병 환자의 선택적 주의력을 평가하기 위해 집중력 네트워크 검사(Attention Network Test)가 널리 사용되고 있으나, 조현병 환자들이 시행한 집중력 네트워크 검사 결과의 신뢰도에 대해서는 연구된 바가 거의 없다. 본 연구에서는 조현병 환자를 대상으로 주의력 네트워크 검사의 검사-재검사 신뢰도를 연구하여 이 검사의 심리측정적 특성(psychometric properties)을 평가하고자 하였다. 방 법 조현병 환자 14명, 일반인 23명이 본 연구에 참여하였다. 실험대상자들은 일주일 간격으로 두 번 동일한 시간에 주의력 네트워크 검사를 수행하였다. 검사-재검사 신뢰도를 분석하기 위해 피어슨 상관분석(Pearson correlation)과 급내 상관분석(Intra-class correlation)을 시행하였다. 결 과 조현병 환자들은 집중력 네트워크 검사의 측정 항목 중 평균 반응시간, 지향 효과, 갈등처리 효과에서 높은 정도의 상관관계를 보였다. 정확도에서는 중간부터 높은 정도의 상관관계를 보였으며, 각성 효과와 갈등처리 오답률에서는 중간 정도의 상관관계를 보였다. 한편, 일반인은 평균 반응시간에서 높은 정도의 상관관계를 보였고, 갈등처리 오답률에서 중간부터 높은 정도의 상관관계를 보였다. 또한, 각성 효과, 지향 효과, 갈등처리 효과에서 중간 정도의 상관관계를 보였으며, 각성 오답률에서 중간 정도의 역상관관계를 보였다. 결 론 본 연구 결과에 의하면, 조현병 환자와 일반인 모두에서 중간 정도 이상의 신뢰도를 보이는 집중력 네트워크 검사 항목은 평균 반응시간, 각성 효과, 지향 효과, 갈등처리 효과, 갈등처리 오답률 항목이다. 그러므로 집중력 네트워크 검사를 사용하여 조현병 환자군 대 일반 대조군 실험을 시행할 때, 상기 항목들의 결과를 비교하는 것이 신뢰도 측면에서 추천된다.

Keywords

References

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