Bibliographische Angaben zur Publikation
Development and validation of IMPACT-S, an ICF-based questionnaire to measure activities and participation
Post, Marcel W. M.; de Witte, Luc P.; Reichrath, Enid; Verdonschot, Manon M.; Wijlhuizen, Gert Jan; Perenboom, Rom J. M.
European Board of Physical and Rehabilitation Medicine
Journal of Rehabilitation Medicine (JRM), 2008, Volume 40 (Issue 8), Seite 620-627, Uppsala: Eigenverlag, ISSN: 1650-1977 (Print); 1651-2081 (Online)
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IMPACT-S is the screener part of the ICF
Measure of Participation and ACTivities questionnaire. IMPACT-S consists of 33 items in 9 scales, reflecting the 9 activity and participation chapters of the International Classification of Functioning, Disability and Health (ICF
). The reliability and validity of IMPACT-S as an independent brief measure of activities and participation was examined.
Repeated administration of a postal questionnaire.
Road accident victims were recruited through several Dutch hospitals and rehabilitation centres. A total of 276 patients participated and 197 took part in both measurements.
Examination of test-retest reliability, reproducibility and construct validity. The World Health Organization Disability Assessment Schedule II (WHODAS-II) was included as criterion measure for concurrent validity.
Types of main injury were fractures (38 percent), traumatic brain injury (37 percent), spinal cord injury (13 percent), whiplash (9 percent) and other (3 percent). Mean time after injury was 2.2 years. Internal consistency of IMPACT-S was satisfying for all 9 domains (0.75 to 0.89) and excellent for the total score (0.96). Test-retest reliability was good at item level (0.44 to 0.72), domain level (0.72 to 0.92) and total score (0.94). Strong correlations (0.61 to 0.88) between IMPACT-S and corresponding WHODAS-II scores were found.
IMPACT-S is a reliable and valid generic measure of activity limitations and participation restrictions that fits the ICF
Zeitschriftenbeitrag / Forschungsergebnis / Online-Publikation
Journal of Rehabilitation Medicine (JRM)
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