ArticleRheumatology advances in practice2026
Cross-cultural adaptation and psychometric testing of the Turkish Version of the Workplace Activity Limitations Scale (WALS) in people with inflammatory arthritis.
Article in Rheumatology advances in practice, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Objectives: The Workplace Activity Limitations Scale (WALS) is a widely used measure to assess work-related functional limitations in individuals with rheumatologic diseases. However, no validated Turkish version of the WALS exists, limiting its applicability in Turkish-speaking populations. This study aims to conduct a cross-cultural adaptation and psychometric evaluation of the Turkish version of WALS in individuals with inflammatory arthritis (IA). Methods: WALS was forward and backward translated, and cognitive debriefing interviews were conducted with 30 participants to assess comprehensibility and cultural relevance. Then, 200 participants completed the Turkish version of the WALS along with the Work Limitation Questionnaire-Short Form (WLQ-SF), the Rheumatoid Arthritis Work Instability Scale (RA-WIS), the Work Productivity Activity Impairment General Health V2.0 (WPAI-GH), the Health Assessment Questionnaire (HAQ) and the Rheumatoid Arthritis Impact of Disease (RAID). Of these, 79 participants also completed the WALS again 2 weeks later to assess test-retest reliability. Results: WALS showed high internal consistency (Cronbach's alpha = 0.89) and excellent test-retest reliability (ICC (2.1): 0.91). WALS met the Rasch model requirements for fit. Concurrent validity showed that the WALS total score was moderately correlated with the WLQ total score ( Conclusion: The Turkish version of the WALS is a valid and reliable instrument for assessing workplace activity limitations in individuals with IA. It can be used in clinical and research settings to assess work-related functional difficulties and guide occupational interventions for Turkish-speaking individuals with IA.
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