Linguistic and psychometric validation of the chinese version of the self-efficacy measures for sleep apnea questionnaire

•The Chinese version of the self-efficacy measures for sleep apnea questionnaire (SEMSA-C) was evaluated by rigorous linguistic and comprehensive psychometric validations.•SEMSA-C has good interpretability, reliability, validity, and responsiveness.•SEMSA-C can help to formulate strategies to promote continuous positive airway pressure therapy adherence for better treatment outcomes.