title: Construct validity of the canadian occupational performance measure in participants with tendon injury and Dupuytren disease.
abstract: BACKGROUND
  In patient-centered practice, instruments need to assess outcomes that are meaningful to patients with hand conditions. It is unclear which assessment tools address these subjective perspectives best.
  
  
  OBJECTIVE
  The aim of this study was to establish the construct validity of the Canadian Occupational Performance Measure (COPM) in relation to the Disabilities of Arm, Shoulder, and Hand (DASH) questionnaire and the Michigan Hand Outcomes Questionnaire (MHQ) in people with hand conditions. It was hypothesized that COPM scores would correlate with DASH and MHQ total scores only to a moderate degree and that the COPM, DASH questionnaire, and MHQ would all correlate weakly with measures of hand impairments.
  
  
  METHODS
  This was a validation study.
  
  
  METHODS
  The COPM, DASH questionnaire, and MHQ were scored, and then hand impairments were measured (pain [numerical rating scale], active range of motion [goniometer], grip strength [dynamometer], and pinch grip strength [pinch meter]). People who had received postsurgery rehabilitation for flexor tendon injuries, extensor tendon injuries, or Dupuytren disease were eligible.
  
  
  RESULTS
  Seventy-two participants were included. For all diagnosis groups, the Pearson coefficient of correlation between the DASH questionnaire and the MHQ was higher than .60, whereas the correlation between the performance scale of the COPM and either the DASH questionnaire or the MHQ was lower than .51. Correlations of these assessment tools with measures of hand impairments were lower than .46.
  
  
  CONCLUSIONS
  The small sample sizes may limit the generalization of the results.
  
  
  CONCLUSIONS
  The results supported the hypotheses and, thus, the construct validity of the COPM after surgery in people with hand conditions.
authors.affiliation: L.A.W. van de Ven-Stevens, MSc, OT, CHT-NL, Department of Rehabilitation, 898, Radboud Institute for Health Sciences, Radboud University Medical Centre, PO Box 9101, 6500 HB Nijmegen, the Netherlands. L.vandeVen-Stevens@home.nl.
authors.forename: Lucelle A W
authors.initials: LA
authors.lastname: van de Ven-Stevens
authors.affiliation: M.J.L. Graff, PhD, OT, Department of Rehabilitation, Radboud Institute for Health Sciences, Radboud University Medical Centre.
authors.forename: Maud J L
authors.initials: MJ
authors.lastname: Graff
authors.affiliation: M.A.M. Peters, MSc, Department of Rehabilitation, Radboud Institute for Health Sciences, Radboud University Medical Centre.
authors.forename: Marlijn A M
authors.initials: MA
authors.lastname: Peters
authors.affiliation: H. van der Linde, PhD, MD, Department of Rehabilitation, Radboud Institute for Health Sciences, Radboud University Medical Centre.
authors.forename: Harmen
authors.initials: H
authors.lastname: van der Linde
authors.affiliation: A.C.H. Geurts, PhD, MD, Department of Rehabilitation, Radboud Institute for Health Sciences, Radboud University Medical Centre.
authors.forename: Alexander C H
authors.initials: AC
authors.lastname: Geurts
mesh_terms: D000203:Activities of Daily Living; D004185:Disability Evaluation; D004387:Dupuytren Contracture / Q000503:physiopathology* / Q000534:rehabilitation* / Q000601:surgery; D005260:Female; D018737:Hand Strength / Q000502:physiology; D006801:Humans; D008297:Male; D010147:Pain Measurement; D011594:Psychometrics; D016059:Range of Motion, Articular / Q000502:physiology; D020127:Recovery of Function; D011795:Surveys and Questionnaires; D013708:Tendon Injuries / Q000503:physiopathology* / Q000534:rehabilitation / Q000601:surgery