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Tuyển tập các báo cáo nghiên cứu về hóa học được đăng trên tạp chí hóa học đề tài : Self-efficacy instruments for patients with chronic diseases suffer from methodological limitations - a systematic review | Health and Quality of Life Outcomes BioMed Central Open Access Self-efficacy instruments for patients with chronic diseases suffer from methodological limitations - a systematic review Anja Frei 1 2 Anna Svarin3 Claudia Steurer-Stey1 2 and Milo A Puhan3 4 Address Department of General Practice and Health Services Research University Hospital of Zurich Switzerland 2Department of Internal Medicine University Hospital of Zurich Switzerland 3Horten Centre for patient-oriented research University Hospital of Zurich Switzerland and 4Department of Epidemiology Johns Hopkins Bloomberg School of Public Health Johns Hopkins University Baltimore MD USA Email Anja Frei - anja.frei@usz.ch Anna Svarin - annasvarin@yahoo.de Claudia Steurer-Stey - claudia.stey@usz.ch Milo A Puhan - mpuhan@jhsph.edu Corresponding author Published 26 September 2009 Received I July 2009 Health and Quality of Life Outcomes 2009 7 86 doi 10.1186 1477-7525-7-86 Accepted 26 September 2009 This article is available from http www.hqlo.cOm content 7 1 86 2009 Frei et al licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http creativecommons.org licenses by 2.0 which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Background Measurement of self-efficacy requires carefully developed and validated instruments. It is currently unclear whether available self-efficacy instruments for chronic diseases fulfill these requirements. Our aim was to systematically identify all existing self-efficacy scales for five major chronic diseases and to assess their development and validation process. Methods We conducted a systematic literature search in electronic databases MEDLINE PSYCHINFO and EMBASE to identify studies describing the development and or validation process of self-efficacy instruments for the five chronic diseases diabetes chronic obstructive pulmonary .
