Bibliographische Angaben zur Publikation
Assessing observer agreement when describing and classifying functioning with the International Classification of Functioning, Disability and Health
Grill, Eva; Mansmann, Ulrich; Cieza, Alarcos; Stucki, Gerold
European Board of Physical and Rehabilitation Medicine
Journal of Rehabilitation Medicine (JRM), 2007, Volume 39 (Issue 1), Seite 71-76, Uppsala: Eigenverlag, ISSN: 1650-1977 (Print); 1651-2081 (Online)
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The International Classification of Functioning, Disability and Health (ICF
) is used increasingly to describe and classify functioning in medicine without being a psychometrically sound measure. All categories of the ICF
are quantified using the same generic 0-4 scale. The objective of this study was to assess observer agreement when describing and classifying functioning with the ICF
A second-level category of the ICF
, d430 lifting and carrying objects, was used as an example. To the qualifiers of this category, clinically meaningful definitions were assigned. Data were collected in a cross-sectional survey with repeated measurement. We report raw, specific and chance-corrected measures or agreement, a graphical method and the results of log-linear models for ordinal agreement.
A convenience sample of patients requiring physical therapy in an acute hospital.
Twenty-five patients were assessed twice by 2 observers. Raw agreement was 0.52. Kappa was 0.36, indicating fair agreement. Different hierarchical log-linear models indicated that the strength of agreement was not homogeneous over all categories.
Observer agreement has to be evaluated when describing and classifying functioning using the ICF
Qualifiers'scale. When assessing inter-observer reliability, the first step is to calculate a summary statistic. Modelling agreement yields valuable insight into the structure of a contingency table, which can lead to further improvement of the scale.
Informationen in der ICF:
Zeitschriftenbeitrag / Forschungsergebnis / Online-Publikation
Journal of Rehabilitation Medicine (JRM)
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