| Summary: | Objective: The aim of the study was to examine the Inflammatory Arthritis Facilitators and Barriers to Physical activity (IFAB) questionnaire's validity and reliability in Turkish-speaking patients with inflammatory arthritis.
Methods: One hundred-thirty one patients aged between 20 and 65 years, diagnosed with inflammatory arthritis were included in the study. To test validity, patients were asked to fill out the patient evaluation form, Health Assessment Questionnaire, Fear-Avoidance Beliefs Questionnaire, Tampa Scale of Kinesiophobia and Short Form-36 (SF-36) at the same time as the IFAB questionnaire, which is adapted to Turkish via Google Forms. 35 were randomly selected out of 131 participants who participated in the study refilled IFAB questionnaire for test-retest reliability two weeks after the first application.
Results: The internal consistency coefficient of the scale was found to be 0.804. Scale items total correlations are ranged from 0.407 to 0.620. Test-retest reliability correlation coefficient was 0.703. Kaiser-Meyer-Olkin value is 0.729. The Bartlett test of sphericity was found to be statistically significant (p<0.001). A confirmatory factor analysis model showed an acceptable fit (CMIN/DF: 2.095; IFI: 0.925; CFI: 0.921; RMSEA: 0.092). A negative correlation was found between the IFAB questionnaire total score and the Health Assessment Questionnaire score, a positive correlation was found between all SF-36 dimensions dimension scale except for emotional role difficulty (p<0.05).
Conclusion: The IFAB questionnaire is a self-administered, practical, cost-free, valid, and reliable scale for Turkish-speaking inflammatory arthritis patient. We believe that questionnaire will guide health professionals in planning and maintenance of holistic physical activity programs that support factors that facilitate physical activity and improve factors that hinder physical activity in patients with inflammatory arthritis.
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