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Using a new interrater reliability method to test the modified Oulu Patient Classification instrument in home health
Jill Flo1, Bjørg Landmark2, Ove Edward Hatlevik3
1Faculty of Health and Social Sciences Department of Nursing and Health Sciences University College of Southeast Norway Drammen Norway.
Aim:
To test the interrater reliability of the modified Oulu Patient Classification instrument, using a multiple parallel classification method based on oral case presentations in home health care in Norway.
Design:
Reliability study.
Methods:
Data were collected at two municipal home healthcare units during 2013-2014. The reliability of the modified OPCq instrument was tested using a new multiple parallel classification method. The data material consisted of 2 010 parallel classifications, analysed using consensus in per cent and Cohen's kappa. Cronbach's alpha was used to measure internal consistency.
Results:
For parallel classifications, consensus varied between 64.78-77.61%. Interrater reliability varied between 0.49-0.69 (Cohen's kappa), the internal consistency between 0.81-0.94 (Cronbach's alpha). Analysis of the raw scores showed 27.2% classifications had the same points, 39.1% differed one point, 17.9% differed two points and 16.5% differed ≥3 points.
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