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The most used questionnaires for evaluating satisfaction, usability, acceptance, and quality outcomes of mobile health



Various questionnaires are used for evaluating satisfaction, usability, acceptance, and quality outcomes of mobile health (mHealth) services. Using the best one to meet the needs of an mHealth study is a challenge for researchers. Therefore, this study aimed to review and determine the frequently used questionnaires for evaluating the mentioned outcomes of mHealth services.


The PubMed database was searched for conducting this review in April 2021. Papers that used a referenced questionnaire to evaluate the satisfaction, usability, acceptance, or quality outcomes of mHealth were included. The first author’s name, year of publication, evaluation outcome, and evaluation questionnaire were extracted from relevant papers. Data were analyzed using descriptive statistics.


In total, 247 papers were included in the study. Questionnaires were used for usability (40%), quality (34.5%), acceptance (8.5%), and satisfaction (4%) outcomes, respectively. System usability scale (36.5%), mobile application rating scale (35.5%), post study system usability questionnaire (6%), user mobile application rating scale (5%), technology acceptance model (4.5%), computer system usability questionnaire (2.5%), net promoter score (2%), health information technology usability evaluation scale (2%), the usefulness, satisfaction, and ease of use (1.5%), client satisfaction questionnaire (1.5%), unified theory of acceptance and use of technology (1.5%), questionnaire for user interaction satisfaction (1%), user experience questionnaire (1%), and after-scenario questionnaire (1%) were the most used questionnaires, respectively.


Despite the existence of special questionnaires for evaluating several outcomes of mHealth, general questionnaires with fewer items and higher reliability have been used more frequently. Researchers should pay more attention to questionnaires with a goal-based design.

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In recent years, mobile phones have found a special role in people's daily lives because of their portability and availability. Mobile phones are also used in the healthcare field for different purposes [1]. The use of mobile and wireless communication technologies to improve disease management, medication adherence, medical decision-making, medical education, and research is named mobile health (mHealth) [2, 3]. mHealth includes the use of simple capabilities of a mobile device such as voice call and short messaging service (SMS) as well as more complex applications designed for medical, fitness, and public health purposes [4].

mHealth could help patients to monitor and control their health when they do not have access to healthcare providers [1]. Along with the potential benefits of mHealth, some factors such as perceived ease of use, perceived usefulness, content quality and accuracy, and consumer attitude can influence the use of this technology [5]. Therefore, evaluating mHealth services in terms of different aspects such as usability, user satisfaction and acceptance, and quality is important.

Usability is defined as “the extent to which a product can be used by specified users to achieve specified goals with effectiveness, efficiency, and satisfaction in a specified context of use” by ISO 9241-11 [6]. A review study showed that about 88% of the studies that evaluated the usability of mobile applications used the above-mentioned definition [7]. There are two general methods for usability evaluation, including user evaluation and expert inspection [8]. User satisfaction is defined as “the net feeling of pleasure or displeasure that results from aggregating all the benefits that a person hopes to receive from interaction with the information system” [9]. The Cambridge Dictionary defines acceptance as a “general agreement that something is satisfactory or right” [10]. In the technology acceptance lifecycle, acceptance is measured in both the initial and sustained use stages of mHealth services [11]. As Stoyanov et al. indicated in their study, the quality of mHealth applications is evaluated in different categories, including engagement, functionality, aesthetics, information quality, and subjective quality [12].

There are various methods for evaluating mHealth services, such as questionnaires, interviews, and observation [11, 13, 14]. Researchers use a variety of general and specified questionnaires for evaluating different aspects of mHealth services. Studies usually use previously designed questionnaires [15, 16] and sometimes design a new one with compliance to their needs [12, 17]. The validity and reliability of the used questionnaires are important in any scientific project.

Due to the existence of a large number of questionnaires, selecting and using the appropriate one to meet the needs of an mHealth study is a challenge for researchers. To the best of our knowledge, no study has reviewed and listed the most appropriate questionnaires for evaluating different outcomes of mHealth services including satisfaction, usability, acceptance, and quality. Therefore, this study aimed to review and introduce the frequently used questionnaires for evaluating the mentioned outcomes. The results of this study will help other investigations to select the appropriate goal-based questionnaire.


Database and date

PubMed database was searched for conducting this review study. The search was performed on 18 April 2021 without date restriction.

Search strategy

We used three categories of keywords for setting the search strategy (Table 1). The keywords in each category were combined and searched by OR Boolean operator. Then the results of these searches were combined by AND Boolean operator for retrieving relevant papers. The search was conducted in the Title/Abstract search field and was filtered with English language.

Table 1 Keywords used for the search strategy

Inclusion criteria

The following studies were included in the study:

  • Original observational and interventional research papers in which a referenced questionnaire or a questionnaire that has been used at least two times in the studies was used to evaluate the satisfaction, usability, acceptance, and quality outcomes of mhealth.

  • App review studies that used the Mobile Application Rating Scale (MARS) for the evaluation of mhealth applications.

Exclusion criteria

The following studies were excluded from the study:

  • Review, protocol, conference, and report papers

  • Papers without full text

  • Papers that did not use mhealth services

  • Papers that did not evaluate satisfaction, usability, acceptance, and quality outcomes

  • Papers that did not use a referenced questionnaire

  • Papers that did not include details about the questionnaires used

Paper selection

In the first stage, all the retrieved papers were reviewed based on title and abstract by two authors (S.H, F.Kh). Next, the same individuals assessed the full text of the selected papers. In the cases of disagreements, the opinion of the other author (K.B) was asked. Finally, a list of included papers was provided.

Data extraction

The first author’s name, year of publication, evaluation outcome, and evaluation questionnaire were extracted from the included papers.

Data analysis

Data were analyzed using descriptive statistics including frequency and frequency percentage.


Searching the PubMed database resulted in 1028 papers. The title and abstract of all these papers were screened. A total of 683 papers were excluded. After that, the full text of the 345 remaining papers was reviewed. Finally, 247 papers were included for extracting data (Fig. 1).

Fig. 1
figure 1

The process of finding and including the papers

The extracted data from the included papers are presented in Additional file 1: Appendix 1. The main results were as follows:

Year of publication

The included papers have been published since 2014. The number of papers has increased since that time (Fig. 2). More than half of the papers (67%) were published in the last three years (2019, 2020, and 2021).

Fig. 2
figure 2

The number of papers based on the year of publication

Evaluation outcome

The evaluation outcomes in this study referred to usability, satisfaction, acceptance, and quality of mHealth services. Usability is the most evaluated outcome that was assessed by a questionnaire in the studies (n = 99, 40%). After that, quality (n = 85, 34.5%), acceptance (n = 21, 8.5%), and satisfaction (n = 10, 4%) were the most evaluated outcomes, respectively. The remaining papers evaluated more than one outcome, including usability and satisfaction (n = 10, 4%), usability and quality (n = 9, 3.5%), usability and acceptance (n = 9, 3.5%), satisfaction and quality (n = 3, 1%), and satisfaction and acceptance (n = 3, 1%).

Evaluation questionnaire

The most used questionnaires (more than two times) for evaluating mHealth services are shown in Table 2. The other questionnaires have been used in 17 papers (7%). Forty-three (17.5%) papers used more than one questionnaire.

Table 2 The most frequently used questionnaires for evaluating mHealth services


This study was performed to review the most frequently used questionnaires for evaluating satisfaction, usability, acceptance, and quality outcomes of mHealth services. Usability is the most evaluated outcome in the mHealth studies. SUS, PSSUQ, and CSUQ were the top three most used questionnaires for evaluating the usability of mHealth services, respectively. The two most used questionnaires for evaluating the quality of mHealth applications were MARS and uMARS. In addition, TAM and UTAUT were the most used questionnaires for measuring the user acceptance of mHealth services. The three most used questionnaires for evaluating user satisfaction were NPS, CSQ, and GEQ.

Usability evaluation questionnaires

The present study showed that SUS questionnaire had been used much more than similar questionnaires such as PSSUQ and CSUQ in evaluating the usability of mHealth services. SUS is a general questionnaire that is used for evaluating the usability of electronic systems such as mobile devices. Compared with other questionnaires such as CSUQ, SUS is a quicker tool for judging the perceived usability of systems because it has fewer items with less scale pointing. This questionnaire also includes a question regarding the satisfaction of the user with the digital solution. The satisfaction evaluation questionnaires focus on tools that evaluate only this outcome, but it is also contained in the usability outcome [18, 19]. Because of these features and its reproducibility, reliability, and validity, researchers and evaluators of mHealth services have frequently used the SUS questionnaire. Another study that reviewed the most used questionnaires for evaluating telemedicine services also showed that SUS is the most used general questionnaire after the Telehealth Usability Questionnaire (TUQ), which is a specific questionnaire for evaluating the usability of telemedicine systems [35].

Although MAUQ was specifically designed for evaluating the usability of mHealth applications and considered both interactive and standalone mHealth applications [17], it was rarely used in the studies that were included in our review. This lack of use might be due to the fact that MAUQ was introduced 2 years ago, and researchers are less familiar with this questionnaire. It is recommended that researchers and evaluators of mHealth services use such questionnaires that were specifically designed for evaluating these services.

Quality evaluation questionnaires

MARS and its user version (uMARS) were the most used questionnaires for assessing the quality of mHealth applications. To use MARS for evaluating mHealth applications, users should be professional in mHealth. Because of this limitation, uMARS was designed to be administered by end-users without special expertise. The importance of the quality and reliability of information and content provided in mHealth applications and the impact that this content has on people's health led to the design of MARS [12]. MARS prompted researchers to look at another consequence of mHealth, which significantly impacts the practical and safe use of mHealth applications. This issue has led to the use of these questionnaires in many studies.

Acceptance evaluation questionnaires

This study revealed that TAM and UTAUT were the most used questionnaires for measuring mHealth acceptance. These questionnaires were derived from two models with the same name. Generally, TAM and UTAUT are the most used acceptance models in health informatics because of their simplicity [36]. Both models focus on the usefulness and easy use of technology. Since UTAUT derives from eight models such as TAM, it evaluates two additional factors, including social environment and organizational infrastructure, that may impact the adoption of the new technology [36]. However, since TAM and UTAUT have not been developed in healthcare settings, different emotional, organizational, and cultural factors that may influence technology acceptance in healthcare settings are not covered by these two questionnaires [23, 30]. Therefore, researchers in health informatics would better design the acceptance questionnaire based on the objective systems.

Satisfaction evaluation questionnaires

The present research revealed that NPS is the most widely used tool for measuring the satisfaction of m-Health users. NPS is a very small tool for evaluating client satisfaction. This tool only has one question [25]. The fact that this scale has only one item has probably contributed to its wide use. It should be taken into account that a single question cannot identify the various factors that affect user satisfaction with a service. After NPS, CSQ and GEQ were the most used questionnaires in reviewed articles. CSQ has two characteristics that may affect its usage. The first one is that it considers the quality of different aspects, such as procedure, environment, staff, service, and outcome. The second characteristic is that with this comprehensiveness, this questionnaire has only eight items [29]. Studies that used mobile-based games to provide mHealth services used GEQ [37, 38] because it is a specific, comprehensive, and practical questionnaire that measures game user satisfaction [34]. Melin et al. presented a questionnaire for assessing the satisfaction of mHealth applications users [39]. However, none of the papers included in our study used this questionnaire because this is a new tool, and researchers are less familiar with it. It is recommended that researchers in mHealth, use this specific questionnaire in their future studies.

Evaluation outcomes

Most of the included papers evaluated the usability of mHealth services using a questionnaire. Usability is a critical issue that affects willingness to use a system. Therefore, it is essential to evaluate this outcome in different phases of system development. The questionnaire is the most used method for evaluating the usability outcome of a mobile application because of its simpleness in terms of accomplishment and data analysis [17]. A review study also showed that the usability of mHealth applications is mostly assessed using a questionnaire [40]. Another study revealed that questionnaires were mostly used for evaluating the user satisfaction outcome of telemedicine [35]. The differences between the results of our research and those of this study may be due to the fact that mHealth services are mostly presented with an application; therefore, evaluating the user interface of the application is very important and should be considered for effective use [40].


To the best of our knowledge, this is the first study that reviewed the most used questionnaires for evaluating the satisfaction, usability, acceptance, and quality outcomes of mHealth services. Nevertheless, this study has some limitations. We only searched the PubMed database to retrieve relevant papers. Also, we restricted our search to the Title/Abstract field. Moreover, we excluded review papers and only included the app review studies that use MARS. These limitations may have led to the missing of some papers from our study.


This study showed that usability and quality were the most frequently considered outcomes in the mHealth field. Since user acceptance and satisfaction with mHealth services lead to more engagement in using these applications, they should be more considered. Although there is a questionnaire that is specifically designed for measuring several mHealth outcomes, general questionnaires such as SUS, PSSUQ, TAM, CSUQ, Health-ITUES, the USE, CSQ, UTAUT, QUIS, UEQ, and ASQ are mostly used for evaluating mHealth services. Moreover, the results showed that researchers prefer to use questionnaires with high reliability and fewer items. Therefore, when selecting the best-fitted questionnaires for evaluating different outcomes of mHealth services, it is better to pay more attention to the reliability and the number of questions and items.

Availability of data and materials

Not applicable.



Mobile health


International Organization for Standardization


Mobile application rating scale


System usability scale


Post study system usability questionnaire


User mobile application rating scale


Technology acceptance model


Computer system usability questionnaire


Net promoter score


Health information technology usability evaluation scale


Usefulness, satisfaction, and ease of use


Client satisfaction questionnaire


Unified theory of acceptance and use of technology


Questionnaire for user interaction satisfaction


User experience questionnaire


After-scenario questionnaire


MHealth app usability questionnaire


Game experience questionnaire


Telehealth usability questionnaire


Service user technology acceptability questionnaire


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We would like to express our gratitude to the Institute for Future Studies in Health of Kerman University of Medical Sciences for providing the research environment.


This study was funded by Kerman University of Medical Sciences with the research ID 400000266.

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SH, FF, and KB contributed to designing the study. The selection and evaluation of the papers and data extraction were done by SH and FKh. SH, HS, and KB participated in drafting the manuscript. All authors read and approved the final version of the manuscript.

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Correspondence to Kambiz Bahaadinbeigy.

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Supplementary Information

Additional file 1

. The extracted data from the included papers.

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Hajesmaeel-Gohari, S., Khordastan, F., Fatehi, F. et al. The most used questionnaires for evaluating satisfaction, usability, acceptance, and quality outcomes of mobile health. BMC Med Inform Decis Mak 22, 22 (2022).

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