title: Association between muscle power impairment and WHODAS 2.0 in older adults with physical disability in Taiwan.
abstract: OBJECTIVE
  To explore the association between muscle power impairment and each World Health Organization Disability Assessment Schedule second edition (WHODAS 2.0) domain score among subjects with physical disability.
  
  
  METHODS
  Subjects (≥ 60 years) with physical disability related to neurological diseases, including 730 subjects with brain disease (BD) and 126 subjects with non-BD, were enrolled from a data bank of persons with disabilities from 1 July 2011 to 29 February 2012. Standardized WHODAS 2.0 scores ranging from 0 (least difficulty) to 100 (greatest difficulty) points were calculated for each domain.
  
  
  RESULTS
  More than 50% of subjects with physical disability had the greatest difficulty in household activities and mobility. Muscle power impairment (adjusted odds ratios range among domains, 2.75-376.42, p < 0.001), age (1.38-4.81, p < 0.05), and speech impairment (1.94-5.80, p < 0.05) were associated with BD subjects experiencing the greatest difficulty in most WHODAS 2.0 domains. But a few associated factors were identified for the non-BD group in the study.
  
  
  CONCLUSIONS
  Although the patterns of difficulty in most daily activities were similar between the BD and non-BD groups, factors associated with the difficulties differed between those two groups. Muscle power impairment, age and speech impairment were important factors associated with difficulties in subjects with BD-related physical disability.
  
  
  CONCLUSIONS
  Older adults with physical disability often experience difficulties in household activities and mobility. Muscle power impairment is associated with difficulties in daily life in subjects with physical disability related to brain disease. Those subjects with brain disease who had older age, a greater degree of muscle power impairment, and the presence of speech impairment were at higher risk of experiencing difficulties in most daily activities.
authors.affiliation: Department of Physical Medicine and Rehabilitation, Wan Fang Hospital, Taipei Medical University , Taipei , Taiwan .
authors.forename: Kwang-Hwa
authors.initials: KH
authors.lastname: Chang
authors.forename: Hua-Fang
authors.initials: HF
authors.lastname: Liao
authors.forename: Chia-Fan
authors.initials: CF
authors.lastname: Yen
authors.forename: Ai-Wen
authors.initials: AW
authors.lastname: Hwang
authors.forename: Wen-Chou
authors.initials: WC
authors.lastname: Chi
authors.forename: Reuben
authors.initials: R
authors.lastname: Escorpizo
authors.forename: Tsan-Hon
authors.initials: TH
authors.lastname: Liou
mesh_terms: D000203:Activities of Daily Living; D000368:Aged; D000369:Aged, 80 and over; D001927:Brain Diseases / Q000150:complications*; D004185:Disability Evaluation; D006233:Persons with Disabilities / Q000534:rehabilitation*; D005260:Female; D006801:Humans; D008297:Male; D053580:Muscle Strength; D009132:Muscles / Q000503:physiopathology*; D016017:Odds Ratio; D011788:Quality of Life; D012044:Regression Analysis; D013060:Speech; D013624:Taiwan
keywords: Muscle power functions; WHODAS 2.0; older adults; physical disability