J. Med. Internet Res. - Understanding usage of a hybrid website and smartphone app for weight management: a mixed-methods study.

Tópicos

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Resumo

CKGROUND: Advancements in mobile phone technology offer huge potential for enhancing the timely delivery of health behavior change interventions. The development of smartphone-based health interventions (apps) is a rapidly growing field of research, yet there have been few longitudinal examinations of how people experience and use these apps within their day-to-day routines, particularly within the context of a hybrid Web- and app-based intervention.OBJECTIVE: This study used an in-depth mixed-methods design to examine individual variation in (1) impact on self-reported goal engagement (ie, motivation, self-efficacy, awareness, effort, achievement) of access to a weight management app (POWeR Tracker) when provided alongside a Web-based weight management intervention (POWeR) and (2) usage and views of POWeR Tracker.METHODS: Thirteen adults were provided access to POWeR and were monitored over a 4-week period. Access to POWeR Tracker was provided in 2 alternate weeks (ie, weeks 1 and 3 or weeks 2 and 4). Participants' goal engagement was measured daily via self-report. Mixed effects models were used to examine change in goal engagement between the weeks when POWeR Tracker was and was not available and whether the extent of change in goal engagement varied between individual participants. Usage of POWeR and POWeR Tracker was automatically recorded for each participant. Telephone interviews were conducted and analyzed using inductive thematic analysis to further explore participants' experiences using POWeR and POWeR Tracker.RESULTS: Access to POWeR Tracker was associated with a significant increase in participants' awareness of their eating (?1=0.31, P=.04) and physical activity goals (?1=0.28, P=.03). The level of increase varied between individual participants. Usage data showed that participants used the POWeR website for similar amounts of time during the weeks when POWeR Tracker was (mean 29 minutes, SD 31 minutes) and was not available (mean 27 minutes, SD 33 minutes). POWeR Tracker was mostly accessed in short bursts (mean 3 minutes, SD 2 minutes) during convenient moments or moments when participants deemed the intervention content most relevant. The qualitative data indicated that nearly all participants agreed that it was more convenient to access information on-the-go via their mobiles compared to a computer. However, participants varied in their views and usage of the Web- versus app-based components and the informational versus tracking tools provided by POWeR Tracker.CONCLUSIONS: This study provides evidence that smartphones have the potential to improve individuals' engagement with their health-related goals when used as a supplement to an existing online intervention. The perceived convenience of mobile access to information does not appear to deter use of Web-based interventions or strengthen the impact of app access on goal engagement. A mixed-methods design enabled exploration of individual variation in daily usage of the app-based tools.

Resumo Limpo

ckground advanc mobil phone technolog offer huge potenti enhanc time deliveri health behavior chang intervent develop smartphonebas health intervent app rapid grow field research yet longitudin examin peopl experi use app within daytoday routin particular within context hybrid web appbas interventionobject studi use indepth mixedmethod design examin individu variat impact selfreport goal engag ie motiv selfefficaci awar effort achiev access weight manag app power tracker provid alongsid webbas weight manag intervent power usag view power trackermethod thirteen adult provid access power monitor week period access power tracker provid altern week ie week week particip goal engag measur daili via selfreport mix effect model use examin chang goal engag week power tracker avail whether extent chang goal engag vari individu particip usag power power tracker automat record particip telephon interview conduct analyz use induct themat analysi explor particip experi use power power trackerresult access power tracker associ signific increas particip awar eat p physic activ goal p level increas vari individu particip usag data show particip use power websit similar amount time week power tracker mean minut sd minut avail mean minut sd minut power tracker most access short burst mean minut sd minut conveni moment moment particip deem intervent content relev qualit data indic near particip agre conveni access inform onthego via mobil compar comput howev particip vari view usag web versus appbas compon inform versus track tool provid power trackerconclus studi provid evid smartphon potenti improv individu engag healthrel goal use supplement exist onlin intervent perceiv conveni mobil access inform appear deter use webbas intervent strengthen impact app access goal engag mixedmethod design enabl explor individu variat daili usag appbas tool

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