Spanish validation of a specific measure to assess work-related problems in people with multiple sclerosis: The Multiple Sclerosis Work Difficulties Questionnaire (MSWDQ-23)

The Spanish version of the MSWDQ-23 shows appropriate feasibility, reliability, and discriminative performance as a patient-reported outcome. MSWDQ-23 may be a valuable addition to measure the impact of a comprehensive spectrum of difficulties experienced by people with MS in the workplace.