한국전문물리치료학회지 (Physical Therapy Korea)

  • 제14권1호
  • /
  • Pages.37-45
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  • 2007
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  • 1225-8962(pISSN)
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  • 2287-982X(eISSN)
한국전문물리치료학회 (Korean Research Society of Physical Therapy)
권호 표지

Activities-Specific Balance Confidence(ABC)척도에 대한 라쉬분석의 적용

Application of Rasch Analysis to the Activities-Specific Balance Confidence (ABC) Scale

  • 황수진 (연세대학교 대학원 재활학과) ;
  • 이충휘 (연세대학교 보건과학대학 물리치료학과 및 보건과학연구소) ;
  • 박소연 (플로리다대학교 보건대학 작업치료학과 및 세연아동발달연구소)
  • Hwang, Su-Jin (Dept. of Rehabilitation Therapy, The Graduate School, Yonsei University) ;
  • Yi, Chung-Hwi (Dept. of Physical Therapy, College of Health Science, Yonsei University Institute of Health Science, Yonsei University) ;
  • Park, So-Yeon (Dept. of Occupational Therapy, College of Public Health and Health Professions, University of Florida Seiyon Child Development Center)
  • 투고 : 2006.11.29
  • 심사 : 2007.01.15
  • 발행 : 2007.02.19
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초록

This study was designed to examine, applying Rasch analysis based on item response theory, the questionnaires of the Activities-Specific Balance Confidence (ABC) scale for the elderly. The subjects were 99 institutional older adults and clients of social welfare facilities. The subjects (17 men, 72 women) ranged in age from 65 to 94 years (mean age 76.5 yrs). The Winsteps software was used to assess whether the ABC scale fits the Rasch model, to estimate the score and to refine the rating scale. The results are as follows. Twenty-two subjects were excluded as misfit persons. Four items were found to be misfits and the order of difficulty of the remaining 12 items was rearranged. Their balance confidence is indicated by -.64~1.12 logit, and the transformation formula is score=[(logit score+2.76)/(2.76+3.48)]${\times}$100. The most difficult item was "Walk outside in icy sidewalks" and the easiest item was "Walk around house." In conclusion, the ABC scale for the elderly has been proven reliable and valid. Therefore, it is expected to be used as an effective examination tool for treatment planning and screening for older adults.

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