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Construal beliefs moderate the usability and effectiveness of a novel healthy eating mobile app

Menna Price Orcid Logo, Suzanne Higgs, Laura Wilkinson Orcid Logo, Michelle Lee Orcid Logo, Rochelle Embling, Paula Kuberka, Alexandra Hamill, Jordan Collier, Samuel Keable-Steer, Thomas Reitmaier, Sabarna Mukhopadhyay, Stephen Lindsay Orcid Logo

Physiology & Behavior, Volume: 222, Start page: 112941

Swansea University Authors: Menna Price Orcid Logo, Laura Wilkinson Orcid Logo, Michelle Lee Orcid Logo, Rochelle Embling, Alexandra Hamill, Jordan Collier, Samuel Keable-Steer, Thomas Reitmaier, Stephen Lindsay Orcid Logo

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Abstract

Reduced self-control is a strong predictor of overeating and obesity. Priming a high construal level mind-set has been shown to enhance self-control and reduce snack consumption in the lab but the long-term and real-world effects are not known. The use of digital technology is an efficient way to de...

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Published in: Physiology & Behavior
ISSN: 0031-9384
Published: Elsevier BV 2020
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URI: https://cronfa.swan.ac.uk/Record/cronfa54316
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Priming a high construal level mind-set has been shown to enhance self-control and reduce snack consumption in the lab but the long-term and real-world effects are not known. The use of digital technology is an efficient way to deliver priming cues in real-world settings. Many mobile apps claim to support healthy eating but few are grounded in psychological theories of self-control. The aim of this study was to test the feasibility and effectiveness of a novel, construal-theory-based mobile app to promote self-control and healthy eating. In an exploratory analysis, the moderating influence of user characteristics was also examined. Using an iterative process involving users at every stage of the process, a prototype mobile app was developed. The final version included a high construal, self-control priming task, sent personalised reminder cues before each eating occasion, provided a just-in time &#x2018;crave-buster&#x2019; for unanticipated eating opportunities and an optional food log. In a longitudinal trial the app was used over an eight-week period (N=71; 51 females; M (SD) Age = 33.34 (11.68) years; M (SD) BMI = 26.22 (4.94)) with pre-post measures of weight, percent body fat and dietary intake. The app received high usability ratings on the System Usability Scale (M=76.55; SD=11.35), however food intake, per cent body fat and weight pre- and post- app use showed no significant change (p&gt;.05). Exploratory analyses showed that baseline construal belief moderated the extent to which engagement with the app predicted dietary changes (p&lt;.05). These findings indicate that this novel app was user-friendly and effective but that this was dependent on the user's characteristics. Future development in this area should consider tailoring apps to the specific characteristics of the user for improved support and effectiveness.</abstract><type>Journal Article</type><journal>Physiology &amp; Behavior</journal><volume>222</volume><journalNumber/><paginationStart>112941</paginationStart><paginationEnd/><publisher>Elsevier BV</publisher><placeOfPublication/><isbnPrint/><isbnElectronic/><issnPrint>0031-9384</issnPrint><issnElectronic/><keywords>mhealth; Construal Level Theory; User Experience; Tailoring; Weight Change; Healthy Eating</keywords><publishedDay>1</publishedDay><publishedMonth>8</publishedMonth><publishedYear>2020</publishedYear><publishedDate>2020-08-01</publishedDate><doi>10.1016/j.physbeh.2020.112941</doi><url/><notes/><college>COLLEGE NANME</college><department>Psychology</department><CollegeCode>COLLEGE CODE</CollegeCode><DepartmentCode>HPS</DepartmentCode><institution>Swansea University</institution><apcterm/><lastEdited>2020-11-27T12:01:45.7492812</lastEdited><Created>2020-05-26T15:50:41.1720934</Created><path><level id="1">Faculty of Science and Engineering</level><level id="2">School of Mathematics and Computer Science - Computer Science</level></path><authors><author><firstname>Menna</firstname><surname>Price</surname><orcid>0000-0002-0025-0881</orcid><order>1</order></author><author><firstname>Suzanne</firstname><surname>Higgs</surname><order>2</order></author><author><firstname>Laura</firstname><surname>Wilkinson</surname><orcid>0000-0002-8093-0843</orcid><order>3</order></author><author><firstname>Michelle</firstname><surname>Lee</surname><orcid>0000-0002-1291-5895</orcid><order>4</order></author><author><firstname>Rochelle</firstname><surname>Embling</surname><order>5</order></author><author><firstname>Paula</firstname><surname>Kuberka</surname><order>6</order></author><author><firstname>Alexandra</firstname><surname>Hamill</surname><order>7</order></author><author><firstname>Jordan</firstname><surname>Collier</surname><order>8</order></author><author><firstname>Samuel</firstname><surname>Keable-Steer</surname><order>9</order></author><author><firstname>Thomas</firstname><surname>Reitmaier</surname><order>10</order></author><author><firstname>Sabarna</firstname><surname>Mukhopadhyay</surname><order>11</order></author><author><firstname>Stephen</firstname><surname>Lindsay</surname><orcid>0000-0001-6063-3676</orcid><order>12</order></author></authors><documents><document><filename>54316__17364__e3ed00b46a374bb18d460290d505921b.pdf</filename><originalFilename>54316.pdf</originalFilename><uploaded>2020-05-28T14:54:01.4858455</uploaded><type>Output</type><contentLength>400046</contentLength><contentType>application/pdf</contentType><version>Accepted Manuscript</version><cronfaStatus>true</cronfaStatus><embargoDate>2021-05-11T00:00:00.0000000</embargoDate><documentNotes>Released under the terms of a Creative Commons Attribution Non-Commercial No Derivatives License (CC-BY-NC-ND).</documentNotes><copyrightCorrect>true</copyrightCorrect><language>eng</language></document></documents><OutputDurs/></rfc1807>
spelling 2020-11-27T12:01:45.7492812 v2 54316 2020-05-26 Construal beliefs moderate the usability and effectiveness of a novel healthy eating mobile app e8d0f85a0d2762328c906c75b1d154b7 0000-0002-0025-0881 Menna Price Menna Price true false 07aeb47532af5a8421686d4f22f4a226 0000-0002-8093-0843 Laura Wilkinson Laura Wilkinson true false 503d8657d47c066ada31f344b030c352 0000-0002-1291-5895 Michelle Lee Michelle Lee true false ebe50ef830ed9bc9aacf76cb791f898f Rochelle Embling Rochelle Embling true false b1a52fe6a146e043509d47858617d55e Alexandra Hamill Alexandra Hamill true false b38f74fc15805d15e8369f7d36a63b77 Jordan Collier Jordan Collier true false 1436a59a4028c8aaac6f18289e74289f Samuel Keable-Steer Samuel Keable-Steer true false ccd66b64d11d76b9cd8b28e9d42a0ff0 Thomas Reitmaier Thomas Reitmaier true false 0e6c28093df4874b4263b328d7817e09 0000-0001-6063-3676 Stephen Lindsay Stephen Lindsay true false 2020-05-26 HPS Reduced self-control is a strong predictor of overeating and obesity. Priming a high construal level mind-set has been shown to enhance self-control and reduce snack consumption in the lab but the long-term and real-world effects are not known. The use of digital technology is an efficient way to deliver priming cues in real-world settings. Many mobile apps claim to support healthy eating but few are grounded in psychological theories of self-control. The aim of this study was to test the feasibility and effectiveness of a novel, construal-theory-based mobile app to promote self-control and healthy eating. In an exploratory analysis, the moderating influence of user characteristics was also examined. Using an iterative process involving users at every stage of the process, a prototype mobile app was developed. The final version included a high construal, self-control priming task, sent personalised reminder cues before each eating occasion, provided a just-in time ‘crave-buster’ for unanticipated eating opportunities and an optional food log. In a longitudinal trial the app was used over an eight-week period (N=71; 51 females; M (SD) Age = 33.34 (11.68) years; M (SD) BMI = 26.22 (4.94)) with pre-post measures of weight, percent body fat and dietary intake. The app received high usability ratings on the System Usability Scale (M=76.55; SD=11.35), however food intake, per cent body fat and weight pre- and post- app use showed no significant change (p>.05). Exploratory analyses showed that baseline construal belief moderated the extent to which engagement with the app predicted dietary changes (p<.05). These findings indicate that this novel app was user-friendly and effective but that this was dependent on the user's characteristics. Future development in this area should consider tailoring apps to the specific characteristics of the user for improved support and effectiveness. Journal Article Physiology & Behavior 222 112941 Elsevier BV 0031-9384 mhealth; Construal Level Theory; User Experience; Tailoring; Weight Change; Healthy Eating 1 8 2020 2020-08-01 10.1016/j.physbeh.2020.112941 COLLEGE NANME Psychology COLLEGE CODE HPS Swansea University 2020-11-27T12:01:45.7492812 2020-05-26T15:50:41.1720934 Faculty of Science and Engineering School of Mathematics and Computer Science - Computer Science Menna Price 0000-0002-0025-0881 1 Suzanne Higgs 2 Laura Wilkinson 0000-0002-8093-0843 3 Michelle Lee 0000-0002-1291-5895 4 Rochelle Embling 5 Paula Kuberka 6 Alexandra Hamill 7 Jordan Collier 8 Samuel Keable-Steer 9 Thomas Reitmaier 10 Sabarna Mukhopadhyay 11 Stephen Lindsay 0000-0001-6063-3676 12 54316__17364__e3ed00b46a374bb18d460290d505921b.pdf 54316.pdf 2020-05-28T14:54:01.4858455 Output 400046 application/pdf Accepted Manuscript true 2021-05-11T00:00:00.0000000 Released under the terms of a Creative Commons Attribution Non-Commercial No Derivatives License (CC-BY-NC-ND). true eng
title Construal beliefs moderate the usability and effectiveness of a novel healthy eating mobile app
spellingShingle Construal beliefs moderate the usability and effectiveness of a novel healthy eating mobile app
Menna Price
Laura Wilkinson
Michelle Lee
Rochelle Embling
Alexandra Hamill
Jordan Collier
Samuel Keable-Steer
Thomas Reitmaier
Stephen Lindsay
title_short Construal beliefs moderate the usability and effectiveness of a novel healthy eating mobile app
title_full Construal beliefs moderate the usability and effectiveness of a novel healthy eating mobile app
title_fullStr Construal beliefs moderate the usability and effectiveness of a novel healthy eating mobile app
title_full_unstemmed Construal beliefs moderate the usability and effectiveness of a novel healthy eating mobile app
title_sort Construal beliefs moderate the usability and effectiveness of a novel healthy eating mobile app
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author_id_fullname_str_mv e8d0f85a0d2762328c906c75b1d154b7_***_Menna Price
07aeb47532af5a8421686d4f22f4a226_***_Laura Wilkinson
503d8657d47c066ada31f344b030c352_***_Michelle Lee
ebe50ef830ed9bc9aacf76cb791f898f_***_Rochelle Embling
b1a52fe6a146e043509d47858617d55e_***_Alexandra Hamill
b38f74fc15805d15e8369f7d36a63b77_***_Jordan Collier
1436a59a4028c8aaac6f18289e74289f_***_Samuel Keable-Steer
ccd66b64d11d76b9cd8b28e9d42a0ff0_***_Thomas Reitmaier
0e6c28093df4874b4263b328d7817e09_***_Stephen Lindsay
author Menna Price
Laura Wilkinson
Michelle Lee
Rochelle Embling
Alexandra Hamill
Jordan Collier
Samuel Keable-Steer
Thomas Reitmaier
Stephen Lindsay
author2 Menna Price
Suzanne Higgs
Laura Wilkinson
Michelle Lee
Rochelle Embling
Paula Kuberka
Alexandra Hamill
Jordan Collier
Samuel Keable-Steer
Thomas Reitmaier
Sabarna Mukhopadhyay
Stephen Lindsay
format Journal article
container_title Physiology & Behavior
container_volume 222
container_start_page 112941
publishDate 2020
institution Swansea University
issn 0031-9384
doi_str_mv 10.1016/j.physbeh.2020.112941
publisher Elsevier BV
college_str Faculty of Science and Engineering
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hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Mathematics and Computer Science - Computer Science{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Mathematics and Computer Science - Computer Science
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description Reduced self-control is a strong predictor of overeating and obesity. Priming a high construal level mind-set has been shown to enhance self-control and reduce snack consumption in the lab but the long-term and real-world effects are not known. The use of digital technology is an efficient way to deliver priming cues in real-world settings. Many mobile apps claim to support healthy eating but few are grounded in psychological theories of self-control. The aim of this study was to test the feasibility and effectiveness of a novel, construal-theory-based mobile app to promote self-control and healthy eating. In an exploratory analysis, the moderating influence of user characteristics was also examined. Using an iterative process involving users at every stage of the process, a prototype mobile app was developed. The final version included a high construal, self-control priming task, sent personalised reminder cues before each eating occasion, provided a just-in time ‘crave-buster’ for unanticipated eating opportunities and an optional food log. In a longitudinal trial the app was used over an eight-week period (N=71; 51 females; M (SD) Age = 33.34 (11.68) years; M (SD) BMI = 26.22 (4.94)) with pre-post measures of weight, percent body fat and dietary intake. The app received high usability ratings on the System Usability Scale (M=76.55; SD=11.35), however food intake, per cent body fat and weight pre- and post- app use showed no significant change (p>.05). Exploratory analyses showed that baseline construal belief moderated the extent to which engagement with the app predicted dietary changes (p<.05). These findings indicate that this novel app was user-friendly and effective but that this was dependent on the user's characteristics. Future development in this area should consider tailoring apps to the specific characteristics of the user for improved support and effectiveness.
published_date 2020-08-01T04:04:39Z
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