Abstract
BackgroundMusculoskeletal complaints of arm, neck, and shoulder (CANS) can lead to loss of work productivity. To assess the functional consequences of impairments in work, patient-reported outcomes can be important. The Hand Function Sort (HFS) is a 62-item pictorial questionnaire that focuses on work task performance. The aims of this study were the cross-cultural adaptation of HFS into HFS-Dutch Language Version (HFS-DLV) (Part I) and determining construct validity, internal consistency, test-retest reliability, responsiveness and floor/ceiling effects of HFS-DLV (Part II).MethodsI: Translation into Dutch using international guidelines. II: Construct validity was assessed with Spearman’s correlation coefficients between the HFS-DLV and the Dutch version of the QuickDASH, PRWHE, PDI, RAND-36, NRS-pain, and work ability score. Internal consistency was assessed using Cronbach’s α and reliability by a test-retest procedure. A global rating scale of change was used after 4–8 weeks of hand therapy to determine responsiveness.ResultsI: Forty patients were included, and no items were changed. II: 126 patients with hand, wrist, and/or forearm disorders classified as specific or nonspecific CANS. Six predefined hypotheses (50%) were confirmed. Cronbach’s α: 0.98. Test-retest reliability: ICC of 0.922. AUC of 0.752. There were no floor/ceiling effects.ConclusionsI: Translation process into the HFS-DLV went according to plan. II: For construct validity, the presumed direction of correlations was correct, but less than 75% of hypotheses were confirmed. Internal consistency was high, suggesting redundancy. Reliability and responsiveness of the HFS-DLV were good. HFS-DLV can be used in research or clinical practice for Dutch patients with CANS, to evaluate self-reported functional work ability.
Highlights
Musculoskeletal complaints of arm, neck, and shoulder (CANS) can lead to loss of work productivity
We did not change any of the items nor the pictures, mainly because the alternatives provided by participants were not considered better and had already been discussed in the consensus meeting in which the prefinal version was completed
None of the participants contributing to part 1 of the study were involved in the analysis for the psychometric properties of the final Hand Function Sort (HFS)-DLV, we did not change any of the items
Summary
Musculoskeletal complaints of arm, neck, and shoulder (CANS) can lead to loss of work productivity. To assess the functional consequences of impairments in work, patient-reported outcomes can be important. Musculoskeletal complaints of arm, neck, and shoulder (CANS) not caused by acute trauma or systemic disease can lead to considerable disability [1,2,3,4] and a substantial loss of productivity at work [5]. A broad range of 12month prevalence of CANS can be found, from 2.3–41% [6]. A 12-month prevalence of 22–40% was reported [7]. To assess work abilities and to help interpret the functional consequences of impairments in work, patient-reported outcomes (PROs) can be important [8]. Knowledge of a selfreported perception of ability can be an important indicator of functional status [10]
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