Test-retest of computerized health status questionnaires frequently used in the monitoring of knee osteoarthritis: a randomized crossover trialReport as inadecuate




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BMC Musculoskeletal Disorders

, 12:190

Epidemiology of musculoskeletal disorders

Abstract

BackgroundTo compare data based on touch screen to data based on traditional paper versions of questionnaires frequently used to examine patient reported outcomes in knee osteoarthritis patients and to examine the impact of patient characteristics on this comparison

MethodsParticipants were recruited from an ongoing trial http:-ClinicalTrials.Gov Identifier: NCT00655941.
20 female participants, mean age 67 SD 7, completed KOOS, VAS pain, function and patient global, SF-36, Physical Activity Scale, painDETECT, and the ADL Taxonomy.
Patients were randomly assigned to one of two subgroups, completing either the paper or touch screen version first.
Mean, mean differences 95% CI, median, median differences and Intraclass Correlation Coefficients ICCs were calculated for all questionnaires.

ResultsICCs between data based on computerized and paper versions ranged from 0.86 to 0.99.
Analysis revealed a statistically significant difference between versions of the ADL Taxonomy, but not for the remaining questionnaires.
Age, computer experience or education-level had no significant impact on the results.
The computerized questionnaires were reported to be easier to use.

ConclusionThe computerized questionnaires gave comparable results to answers given on paper.
Patient characteristics did not influence results and implementation was feasible.

Electronic supplementary materialThe online version of this article doi:10.1186-1471-2474-12-190 contains supplementary material, which is available to authorized users.

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Author: Henrik Gudbergsen - Else M Bartels - Peter Krusager - Eva E Wæhrens - Robin Christensen - Bente Danneskiold-Samsøe - Hen

Source: https://link.springer.com/



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