• Jingjing Pan, Bin Hu, Lian Wu, Huichuan Wang, Tao Lei, and Zhiyu Liu.
• Department of Pharmacy, Xi'an Fourth Hospital, Xi'an, People's Republic of China.
• Patient Prefer Adher. 2020 Jan 1; 14: 1853-1860.

ObjectiveTo assess the reliability and validity of the Chinese version of the Hill-Bone compliance to high blood pressure therapy scale (HBTS) for use in adults with hypertension in China.MethodsTo develop a Chinese version of the study scale, it was translated into Chinese then back-translated into English. The final version was used in a survey conducted between Jan and June 2019 in a hospital in Xi'an, China. Reliability was assessed by using the Cronbach's alpha as a measure of analyzing the internal consistency. Exploratory factor analysis (EFA) was performed to assess the validity of the Chinese scale.ResultsThe EFA revealed a four-component structure representing two of medication taking; appointment keeping and reduced sodium intake. Percentages of explained variance were 37.55%, 52.77%, 65.24% and 73.97%, respectively. All questions have factor loadings >0.4. The Cronbach's alpha score for the entire questionnaire was 0.857.ConclusionThe Chinese Hill-Bone scale (HBTS-C) is a valid and reliable instrument for measuring adherence among Chinese with hypertension. Use of this screening tool for the assessment of adherence to hypertension treatment is recommended.© 2020 Pan et al.

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