Translation to Brazilian Portuguese, cultural adaptation and psychometric properties of 8-item ArthritisSelf-Efficacy Scale (ASES-8)

ABSTRACT BACKGROUND: Self-efficacy refers to one’s belief in one’s ability to organize, perform actions and face challenges in order to achieve goals and motivation. High self-efficacy improves disease coping and adherence to treatment among patients with rheumatoid arthritis. The objective of this study was to translate, culturally adapt and test the reproducibility of the 8-item Arthritis Self-Efficacy Scale (ASES-8) questionnaire for use in Brazil. DESIGN AND SETTING: Validation study conducted in university outpatient clinics. METHODS: The questionnaire was translated into Brazil...