![]() ![]() Quality appraisal showed that face/content (14) and construct (7) validity were the most frequent types of validity assessed. Memorability (1) was the least covered attribute. Usability attributes covered by the questionnaires were: learnability (15), efficiency (12), and satisfaction (11). From the 15 questionnaires, only 5 were general enough to be used across studies. After removing duplicates and applying exclusion criteria, 35 articles remained that used 15 unique questionnaires. Using a broad search strategy, 5,558 potentially relevant papers were identified. Two authors independently extracted information including: questionnaire name, number of questions, scoring method, item generation, and psychometrics using a data extraction tool with pre-established categories and a quality appraisal scoring table. Non-primary research, studies that did not report measures, studies with children or people with cognitive limitations, and studies about assistive devices or medical equipment were systematically excluded. We conducted a systematic review of studies that measured usability of e-health tools using four databases (Scopus, PubMed, CINAHL, and HAPI). To identify psychometrically tested questionnaires that measure usability of e-health tools, and to appraise their generalizability, attributes coverage, and quality. In order to determine the usability for any technology, rigorously developed and appropriate measures must be chosen. However, the potential for e-health to improve healthcare is partially dependent on its ease of use. The use of e-health can lead to several positive outcomes. ![]()
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