Consumer Mobile Health Apps: Current State, Barriers, and Future Directions. Originally published in JMIR Mhealth and Uhealth (). ©Leming Zhou, Jie Bao, I Made Agus Setiawan, Andi Saptono, Bambang Parmanto. Mobile apps questionnaire design reliability and validity. The newly created mHealth app usability questionnaire-MAUQ-has the reliability and validity required to assess mHealth app usability. A website has been created to make it convenient for mHealth app developers to use this new questionnaire in order to assess the usability of their mHealth apps. Four versions of the MAUQ were created in relation to the type of app (interactive or standalone) and target user of the app (patient or provider). The overall scale also strongly correlated with the PSSUQ and SUS. The relevant subscales correlated well with the subscales of the PSSUQ. Psychometric analysis indicated that the MAUQ has three subscales and their internal consistency reliability is high. In this study, 128 study participants provided responses to the questionnaire statements. The correlation coefficients among MAUQ, SUS, and PSSUQ were calculated. The reliability and validity of the new questionnaire were evaluated. MAUQ, SUS, and PSSUQ were then used to evaluate the usability of two mHealth apps: an interactive mHealth app and a standalone mHealth app. The goal of this project was to develop and validate a new mHealth app usability questionnaire.Īn mHealth app usability questionnaire (MAUQ) was designed by the research team based on a number of existing questionnaires used in previous mobile app usability studies, especially the well-validated questionnaires. Self-written questionnaires are also commonly used for evaluation of mHealth app usability but they have not been validated. However, the SUS and PSSUQ were not designed to evaluate the usability of mHealth apps. Different groups have used different questionnaires for mHealth app usability evaluation: The commonly used questionnaires are the System Usability Scale (SUS) and Post-Study System Usability Questionnaire (PSSUQ).

There are multiple ways of conducting a usability study, one of which is collecting target users' feedback with a usability questionnaire. After a mobile health (mHealth) app is created, an important step is to evaluate the usability of the app before it is released to the public.

Reliability questionnaire example