scholarly journals Using a Mobile App When Surveying Highly Mobile Populations: Panel Attrition, Consent, and Interviewer Effects in a Survey of Refugees

2021 ◽  
pp. 089443932098525
Author(s):  
Jannes Jacobsen ◽  
Simon Kühne

Panel attrition poses major threats to the survey quality of panel studies. Many features have been introduced to keep panel attrition as low as possible. Based on a random sample of refugees, a highly mobile population, we investigate whether using a mobile phone application improves address quality and response behavior. Various features, including geo-tracking, collecting email addresses and adress changes, are tested. Additionally, we investigate respondent and interviewer effects on the consent to download the app and sharing GPS geo-positions. Our findings show that neither geo-tracking nor the provision of email addresses nor the collection of address changes through the app improves address quality substantially. We further show that interviewers play an important role in convincing the respondents to install and use the app, whereas respondent characteristics are largely insignificant. Our findings provide new insights into the usability of mobile phone applications and help determine whether they are a worthwhile tool to decrease panel attrition.

2020 ◽  
pp. 096914132097441
Author(s):  
Roberta Angelico ◽  
Daniela Liccardo ◽  
Monica Paoletti ◽  
Andrea Pietrobattista ◽  
Maria S Basso ◽  
...  

Objectives Early diagnosis of biliary atresia is essential to improve long-term outcomes. Newborn screening with an infant stool color card allows early recognition of biliary atresia patients. Our aim was to develop and validate a mobile phone application (PopòApp) able to identify acholic stools. Methods An intuitive app was developed for iOS and Android smartphones. A learning machine process was used to generate an algorithm for stools color recognition based on the seven colors of the infant stool color card, which were considered as the gold standard. Consecutive images of stools were taken by the PopòApp, directly into the diapers of children aged ≤6 months. The PopòApp classified the photographs as “normal”, “acholic” or “uncertain”. To validate the PopòApp, four doctors independently classified all images, and only those for which all doctors agreed were included. The sensitivity, specificity, positive/negative predictive values, and accuracy of the PopòApp were evaluated. Results Of 165 images collected, 160 were included in the study. All acholic stools were recognized by the PopòApp. The PopòApp sensitivity was 100% (95% CI:93.9%–100%) with no false negatives, regardless of the brand of phone. The specificity was 99.0% (95% CI:94.6%–99.9%). The accurancy of the PopòApp was 99.4% (95% CI:96.6%–99.9%), with a positive predictive value of 98.4% (95% CI:89.8%–99.8%). Conclusion The current study proved, in a large cohort, that the PopòApp is an accurate and easy tool for recognition of acholic stools. The mobile App may represent an effective strategy for the early referral of children with acholic stools, and potentially could improve the outcomes of biliary atresia.


2015 ◽  
Vol 9 (5) ◽  
pp. 1086-1091 ◽  
Author(s):  
Iefke Drion ◽  
Loes R. Pameijer ◽  
Peter R. van Dijk ◽  
Klaas H. Groenier ◽  
Nanne Kleefstra ◽  
...  

Crisis ◽  
2016 ◽  
Vol 37 (3) ◽  
pp. 236-240 ◽  
Author(s):  
Jette L. Skovgaard Larsen ◽  
Hanne Frandsen ◽  
Annette Erlangsen

Abstract. Background: Safety plans have been suggested as an intervention for people at risk of suicide. Given the impulsive character of suicidal ideation, a safety plan in the format of a mobile phone application is likely to be more available and useful than traditional paper versions. Aims: The study describes MYPLAN, a mobile phone application designed to support people at risk of suicide by letting them create a safety plan. Method: MYPLAN was developed in collaboration with clinical psychiatric staff at Danish suicide preventive clinics. The mobile application lets the user create an individualized safety plan by filling in templates with strategies, actions, and direct links to contact persons. Results: MYPLAN was developed in 2013 and is freely available in Denmark and Norway. It is designed for iPhone and android platforms. As of December 2015, the application has been downloaded almost 8,000 times. Users at risk of suicide as well as clinical staff have provided positive feedback on the mobile application. Conclusion: Support via mobile phone applications might be particularly useful for younger age groups at risk of suicide as well as in areas or countries where support options are lacking. Yet, it is important to examine the effectiveness of this type of intervention.


2019 ◽  
Vol 46 (1) ◽  
pp. 51-55 ◽  
Author(s):  
Mohammad Owaise Sharif ◽  
Nausheen Rashida Siddiqui ◽  
Samantha Jayne Hodges

Introduction: Mobile phone applications (apps) can be engaging, accessible, versatile and have the potential to improve patient care. In 2017, 354 orthodontic apps were reported to be available, many of them targeted at patients; however, the awareness and usage of apps among orthodontic patients was unreported. Aim: The primary aim of this study was to assess patients’ current awareness of orthodontic apps. Methods: One hundred orthodontic patients (50 new and 50 in treatment) completed a questionnaire designed to explore their awareness, access to and utilisation of orthodontic apps and social media to support orthodontic treatment. Furthermore, their willingness to engage with and use an app to aid with orthodontic treatment was explored. There were no age restrictions or exclusion criteria. Results: Ninety percent of patients had access to a smartphone, of which 73% belonged to them (rather than a parent/relative). Apple was the most popular platform (56%) followed by Android (26%). Only 7% of patients were aware that apps were available to help with orthodontic treatment and no patients had previously used an app related to orthodontics. However, 87% of patients stated that they would be willing to use an app to support treatment. Twenty-one percent of patients had previously looked up information on social media, with YouTube being the most popular platform. Conclusion: Current awareness of the availability of apps is poor, despite the finding that 87% of patients reported they would be willing to use an app to aid with orthodontic treatment. Given the availability of apps targeted at orthodontic patients, there is a need to assess the quality of these apps and, if appropriate, navigate patients towards high-quality, effective apps.


2020 ◽  
Vol 79 (OCE2) ◽  
Author(s):  
Kathryn Hart ◽  
Michael Harvey ◽  
Bernadette Egan

AbstractThere are currently 318,000 health mobile applications (apps) available via the major app stores, with new apps appearing at a rate of approximately 200 per day. Pregnancy represents the largest sub-type within the health-related app market, providing a key route via which women who are pregnant or planning a pregnancy can obtain health information, and a cost and time efficient alternative to traditional face-to-face healthcare interactions. However the content of these applications, and therefore their ability to facilitate appropriate and safe behaviour change, is largely unmonitored and unregulated. This study aimed to objectively review the availability, affiliation and nutritional content of pregnancy apps, and specifically their adherence to current NICE guidance for optimal nutrition during pregnancy (promotion of Vitamin D and folic acid supplementation, promotion of breastfeeding). Apps (n = 68) were retrieved from Googleplay and the Appstore using a keyword search. After exclusions (n = 39, non-English, focused on pre- or post-pregnancy, not free to access, non-functional), 29 apps were evaluated using the previously developed Mobile Application Rating Scale (MARS). The original tool was modified to include additional sub-scales to assess the nutritional content of the apps and to rate their privacy settings. A higher score for each sub scale and for the MARS score overall represents a higher quality application. Median nutrition sub-scale score (out of 5) for all apps was 3 (25%: 2, 75%: 4.5) with folic acid requirements most likely to be covered and breastfeeding least. Over one third of the apps reviewed (38%) achieved a nutrition score ≥ 4 and 14% (n = 4) scored 5 out of 5. Nutrition score was significantly associated with overall MARS score (r = 0.615, p < 0.01). Total MARS score (out of 5; median 3 (3, 4)) was not associated with platform (android or apple), app rating or affiliation (e.g. Commercial, Government, NGO or academic institution), though sample size was reduced for these secondary variables. Free to access English language mobile phone applications targeted at pregnant women provide a variable quantity and quality of nutrition information. Those adhering more closely to current NICE guidelines for optimal diet in pregnancy are also more likely to be rated higher across other quality domains, however user rating does not predict information quality. This work will be used to direct interventions to improve e-health literacy amongst vulnerable groups such as pregnant women and to design more appropriate applications which are able to more effectively combine usability and acceptability with a robust evidence base.


Author(s):  
Azham Hussain ◽  
Nor Laily Hashim ◽  
Nazib Nordin ◽  
Hatim Mohamad Tahir

A number of methods and measures have been used by researchers in software evaluation. Usability metrics is one of the approaches that has been used as a guideline to evaluate the quality of the system in many mobile applications. However, the metrics used for evaluation method keep changing due to new inventions of mobile phones. Thus, there is a need to create a dynamic model for evaluation that can grow together with new inventions and technology. In this paper, a dynamic usability metrics model for evaluation of mobile applications was designed. The model comprises usability goals, questions and metrics for evaluation of applications on mobile phones. To ensure that the model is reliable and effective, a usability study was conducted on two applications installed in different mobile phones. This model proves to be applicable for evaluation of mobile phone applications whereby its questions and metrics can be dynamically changed accordingly to comply with the requirements of the evaluators.  


2020 ◽  
Author(s):  
Ignacio López-Moranchel ◽  
Patricia Maurelos-Castell ◽  
Vicent Picó Pérez ◽  
Ignacio Ara ◽  
Luis Mª Alegre

UNSTRUCTURED After carrying out a bibliographic review of the different ways of estimating the load during suspension training, this study describes the theoretical foundations of the development of a mobile phone application (Kinematic lab susp) that allows estimating the load mobilized when training with devices in suspension (type TRX ®). Methods: systems of equations are proposed whose terms depend on the angulation of the device with respect to the vertical (angle α), the relationship between the height of grip and the height of the center of mass, and the weight of the subject that are recorded by means of a photograph. Results: after taking a photograph and incorporating the height of the subject, the application allows measuring the angle α, providing values of applied force (in N) and mobilized load in relation to the percentage of body mass applying the calculations described in our equations. The study also provides the estimated value of the load mobilized during a push on the floor (68% of the subject's body mass) and the equation for the calculation of the mobilized load when the suspension device is fixed to the feet. Conclusions: it is possible to estimate by means of equations the load mobilized in each repetition during the training by suspenesion devices. Kinemtaic lab susp is the first mobile app that allows this calculation to be made from the taking of a photograph.


2018 ◽  
Author(s):  
Guoli Yang ◽  
Jian Long ◽  
Dan Luo ◽  
Shuiyuan Xiao ◽  
Atipatsa Chiwanda Kaminga

BACKGROUND A number of mobile phone apps has been developed specifically for men who have sex with men (MSM). We will call these mobile phone apps MSM apps for simplicity. At present, the characteristics and quality and purpose of these MSM apps are unclear. OBJECTIVE The aim of this study was to objectively and comprehensively evaluate the characteristics and quality of the MSM apps to assess whether they disseminated health information among the MSM in China. METHODS We searched 2 dominant mobile phone app stores (Apple Store and Android Market) to obtain MSM apps using the keywords MSM, gay, lesbian, gay, bisexual, and transgender (LGBT), 男同,同志,男男性接触者,同性恋,基友, and 双性恋. Apps were excluded if they did not have a Chinese language interface or if their target population was not MSM. Basic information about the eligible apps for this study, such as app name, app store category, and date of last update was gathered from the specified app stores. The quality of apps was rated by 2 independent raters using Mobile App Rating Scale (MARS). The intraclass correlation coefficient (ICC) between raters was computed as a measure for interrater reliability of the MARS. All analyses were conducted using SPSS version 20.0 (SPSS Inc). RESULTS A total of 575 apps were reviewed between September 15, 2018 and September 30, 2018, out of which, 532 apps were excluded. Finally, 43 apps were included. Of the 43 apps, 16 were from the Apple Store, 10 were from Android Market, and 17 were available in both app stores. In addition, 39 out of 43 apps were for social and sexual networking, whereas 10 contained sexual health information, for example, HIV/sexually transmitted diseases knowledge, HIV test, and condom use. The average rating was 4 stars. The number of downloads for 21 apps exceeded 10,000. A total of 31 apps had acceptable quality (as defined by a MARS score of >3), with functionality as the highest scoring domain, followed by information quality, esthetics, and engagement. Interrater reliability was excellent for the overall mean app quality scores (ICC=.946; 95% CI 0.904-0.970) and the subjective quality scores (ICC=.910; 95% CI 0.841-0.950). CONCLUSIONS By reviewing the available apps, we found that MSM apps are popular. The majority of MSM apps are for dating, whereas few of them contain HIV prevention and health information. The overall quality of the apps is acceptable. The utilization of mobile phone technologies is a promising way for delivering HIV prevention messages to MSM. We recommend that researchers and app developers should work together to disseminate health information for MSM via mobile technologies.


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