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- Title
Translation, cross-cultural and construct validity of the Dutch-Flemish PROMIS® upper extremity item bank v2.0.
- Authors
Haan, Erik-Jan A.; Terwee, Caroline B.; Van Wier, Marieke F.; Willigenburg, Nienke W.; Van Deurzen, Derek F. P.; Pisters, Martijn F.; Kaat, Aaron J.; Roorda, Leo D.
- Abstract
<bold>Purpose: </bold>To develop a Dutch-Flemish translation of the PROMIS® upper extremity (PROMIS-UE) item bank v2.0, and to investigate its cross-cultural and construct validity as well as its floor and ceiling effects in patients with musculoskeletal UE disorders.<bold>Methods: </bold>State of the art translation methodology was used to develop the Dutch-Flemish PROMIS-UE item bank v2.0. The item bank and four legacy instruments were administered to 205 Dutch patients with musculoskeletal UE disorders visiting an orthopedic outpatient clinic. The validity of cross-cultural comparisons between English and Dutch patients was evaluated by studying differential item functioning (DIF) for language (Dutch vs. English) with ordinal logistic regression models and McFadden's pseudo R2-change of ≥ 2% as critical value. Construct validity was assessed by formulating a priori hypotheses and calculating correlations with legacy instruments. Floor/ceiling effects were evaluated by determining the proportion of patients who achieved the lowest/highest possible raw score.<bold>Results: </bold>Eight items showed DIF for language, but their impact on the test score was negligible. The item bank correlated, as hypothesized, moderately with the Dutch-Flemish PROMIS pain intensity item (Pearson's r = - 0.43) and strongly with the Disabilities of the Arm, Shoulder and Hand questionnaire, Subscale Disability/Symptoms (Spearman's ρ = - 0.87), the Functional Index for Hand Osteoarthritis (ρ = - 0.86), and the Michigan Hand Outcomes Questionnaire, Subscale Activities of Daily Living (ρ = 0.87). No patients achieved the lowest or highest possible raw score.<bold>Conclusions: </bold>A Dutch-Flemish PROMIS-UE item bank v2.0 has been developed that showed sufficient cross-cultural and construct validity as well as absence of floor and ceiling effects.
- Subjects
ARM; TEST validity; TALLIES; ACTIVITIES of daily living; LOGISTIC regression analysis
- Publication
Quality of Life Research, 2020, Vol 29, Issue 4, p1123
- ISSN
0962-9343
- Publication type
journal article
- DOI
10.1007/s11136-019-02388-2