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Testing an online measure of portion size selection: a pilot study concerned with the measurement of ideal portion size

Rochelle Embling, Michelle Lee Orcid Logo, Menna Price Orcid Logo, Laura Wilkinson Orcid Logo

Pilot and Feasibility Studies, Volume: 7, Issue: 1

Swansea University Authors: Rochelle Embling, Michelle Lee Orcid Logo, Menna Price Orcid Logo, Laura Wilkinson Orcid Logo

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DOI (Published version): 10.1186/s40814-021-00908-x

Abstract

BackgroundPortion size is known to be a key driver of food intake. As consumed portions are often pre-planned, ‘ideal portion size’—an individual’s preferred meal size selected prior to eating—has been identified as a strong predictor of actual consumption. However, assessments of ideal portion size...

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Published in: Pilot and Feasibility Studies
ISSN: 2055-5784
Published: Springer Science and Business Media LLC 2021
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URI: https://cronfa.swan.ac.uk/Record/cronfa57743
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fullrecord <?xml version="1.0"?><rfc1807><datestamp>2021-10-12T17:15:13.5415932</datestamp><bib-version>v2</bib-version><id>57743</id><entry>2021-09-01</entry><title>Testing an online measure of portion size selection: a pilot study concerned with the measurement of ideal portion size</title><swanseaauthors><author><sid>ebe50ef830ed9bc9aacf76cb791f898f</sid><firstname>Rochelle</firstname><surname>Embling</surname><name>Rochelle Embling</name><active>true</active><ethesisStudent>false</ethesisStudent></author><author><sid>503d8657d47c066ada31f344b030c352</sid><ORCID>0000-0002-1291-5895</ORCID><firstname>Michelle</firstname><surname>Lee</surname><name>Michelle Lee</name><active>true</active><ethesisStudent>false</ethesisStudent></author><author><sid>e8d0f85a0d2762328c906c75b1d154b7</sid><ORCID>0000-0002-0025-0881</ORCID><firstname>Menna</firstname><surname>Price</surname><name>Menna Price</name><active>true</active><ethesisStudent>false</ethesisStudent></author><author><sid>07aeb47532af5a8421686d4f22f4a226</sid><ORCID>0000-0002-8093-0843</ORCID><firstname>Laura</firstname><surname>Wilkinson</surname><name>Laura Wilkinson</name><active>true</active><ethesisStudent>false</ethesisStudent></author></swanseaauthors><date>2021-09-01</date><deptcode>HPS</deptcode><abstract>BackgroundPortion size is known to be a key driver of food intake. As consumed portions are often pre-planned, &#x2018;ideal portion size&#x2019;&#x2014;an individual&#x2019;s preferred meal size selected prior to eating&#x2014;has been identified as a strong predictor of actual consumption. However, assessments of ideal portion size have predominantly relied on laboratory-based computer tasks, limiting use online. Therefore, this cross-sectional study sought to pilot test the validity of a web-based tool to measure ideal portion size.MethodsIn an online study (N = 48), participants responded to images of a range of foods. Each food was photographed in a series of different portions and loaded into an &#x2018;image carousel&#x2019; that would allow participants to change the size of the displayed portion by moving a slider left-to-right. Using this image carousel, participants selected their ideal portion size. They also completed measures of expected satiety and expected satiation and self-reported their age and body mass index (BMI). A non-parametric correlation matrix was used to explore associations between ideal portion size and identified predictors of food intake.ResultsSupporting convergent validity of this measure, ideal portion size was significantly correlated with expected satiety (rs = .480) and expected satiation (rs = &#x2212;.310) after controlling for effects of baseline hunger and fullness, consistent with past research. Similarly, supporting divergent validity of this measure, ideal portion size was not significantly correlated with age (rs = &#x2212;.032) or BMI (rs = &#x2212;.111,).ConclusionsPilot results support the validity of this web-based portion size selection tool used to measure ideal portion size, though further research is needed to validate use with comparisons to actual food intake.</abstract><type>Journal Article</type><journal>Pilot and Feasibility Studies</journal><volume>7</volume><journalNumber>1</journalNumber><paginationStart/><paginationEnd/><publisher>Springer Science and Business Media LLC</publisher><placeOfPublication/><isbnPrint/><isbnElectronic/><issnPrint/><issnElectronic>2055-5784</issnElectronic><keywords>Portion size; Meal size; Expected satiety; Expected satiation; Online; Survey; Pilot</keywords><publishedDay>17</publishedDay><publishedMonth>9</publishedMonth><publishedYear>2021</publishedYear><publishedDate>2021-09-17</publishedDate><doi>10.1186/s40814-021-00908-x</doi><url/><notes/><college>COLLEGE NANME</college><department>Psychology</department><CollegeCode>COLLEGE CODE</CollegeCode><DepartmentCode>HPS</DepartmentCode><institution>Swansea University</institution><apcterm>External research funder(s) paid the OA fee (includes OA grants disbursed by the Library)</apcterm><funders>ESRC Wales Doctoral Training Partnership</funders><projectreference>ES/P00069X/1, Studentship 1947139</projectreference><lastEdited>2021-10-12T17:15:13.5415932</lastEdited><Created>2021-09-01T14:10:27.9776681</Created><path><level id="1">Faculty of Medicine, Health and Life Sciences</level><level id="2">School of Psychology</level></path><authors><author><firstname>Rochelle</firstname><surname>Embling</surname><order>1</order></author><author><firstname>Michelle</firstname><surname>Lee</surname><orcid>0000-0002-1291-5895</orcid><order>2</order></author><author><firstname>Menna</firstname><surname>Price</surname><orcid>0000-0002-0025-0881</orcid><order>3</order></author><author><firstname>Laura</firstname><surname>Wilkinson</surname><orcid>0000-0002-8093-0843</orcid><order>4</order></author></authors><documents><document><filename>57743__20959__e5a8ffa087a34ff58fb64dfa7195b806.pdf</filename><originalFilename>57743.pdf</originalFilename><uploaded>2021-09-21T16:19:19.3648165</uploaded><type>Output</type><contentLength>647639</contentLength><contentType>application/pdf</contentType><version>Version of Record</version><cronfaStatus>true</cronfaStatus><documentNotes>&#xA9; The Author(s). 2021 This article is licensed under a Creative Commons Attribution 4.0 International License</documentNotes><copyrightCorrect>true</copyrightCorrect><language>eng</language><licence>http://creativecommons.org/licenses/by/4.0/</licence></document></documents><OutputDurs/></rfc1807>
spelling 2021-10-12T17:15:13.5415932 v2 57743 2021-09-01 Testing an online measure of portion size selection: a pilot study concerned with the measurement of ideal portion size ebe50ef830ed9bc9aacf76cb791f898f Rochelle Embling Rochelle Embling true false 503d8657d47c066ada31f344b030c352 0000-0002-1291-5895 Michelle Lee Michelle Lee true false e8d0f85a0d2762328c906c75b1d154b7 0000-0002-0025-0881 Menna Price Menna Price true false 07aeb47532af5a8421686d4f22f4a226 0000-0002-8093-0843 Laura Wilkinson Laura Wilkinson true false 2021-09-01 HPS BackgroundPortion size is known to be a key driver of food intake. As consumed portions are often pre-planned, ‘ideal portion size’—an individual’s preferred meal size selected prior to eating—has been identified as a strong predictor of actual consumption. However, assessments of ideal portion size have predominantly relied on laboratory-based computer tasks, limiting use online. Therefore, this cross-sectional study sought to pilot test the validity of a web-based tool to measure ideal portion size.MethodsIn an online study (N = 48), participants responded to images of a range of foods. Each food was photographed in a series of different portions and loaded into an ‘image carousel’ that would allow participants to change the size of the displayed portion by moving a slider left-to-right. Using this image carousel, participants selected their ideal portion size. They also completed measures of expected satiety and expected satiation and self-reported their age and body mass index (BMI). A non-parametric correlation matrix was used to explore associations between ideal portion size and identified predictors of food intake.ResultsSupporting convergent validity of this measure, ideal portion size was significantly correlated with expected satiety (rs = .480) and expected satiation (rs = −.310) after controlling for effects of baseline hunger and fullness, consistent with past research. Similarly, supporting divergent validity of this measure, ideal portion size was not significantly correlated with age (rs = −.032) or BMI (rs = −.111,).ConclusionsPilot results support the validity of this web-based portion size selection tool used to measure ideal portion size, though further research is needed to validate use with comparisons to actual food intake. Journal Article Pilot and Feasibility Studies 7 1 Springer Science and Business Media LLC 2055-5784 Portion size; Meal size; Expected satiety; Expected satiation; Online; Survey; Pilot 17 9 2021 2021-09-17 10.1186/s40814-021-00908-x COLLEGE NANME Psychology COLLEGE CODE HPS Swansea University External research funder(s) paid the OA fee (includes OA grants disbursed by the Library) ESRC Wales Doctoral Training Partnership ES/P00069X/1, Studentship 1947139 2021-10-12T17:15:13.5415932 2021-09-01T14:10:27.9776681 Faculty of Medicine, Health and Life Sciences School of Psychology Rochelle Embling 1 Michelle Lee 0000-0002-1291-5895 2 Menna Price 0000-0002-0025-0881 3 Laura Wilkinson 0000-0002-8093-0843 4 57743__20959__e5a8ffa087a34ff58fb64dfa7195b806.pdf 57743.pdf 2021-09-21T16:19:19.3648165 Output 647639 application/pdf Version of Record true © The Author(s). 2021 This article is licensed under a Creative Commons Attribution 4.0 International License true eng http://creativecommons.org/licenses/by/4.0/
title Testing an online measure of portion size selection: a pilot study concerned with the measurement of ideal portion size
spellingShingle Testing an online measure of portion size selection: a pilot study concerned with the measurement of ideal portion size
Rochelle Embling
Michelle Lee
Menna Price
Laura Wilkinson
title_short Testing an online measure of portion size selection: a pilot study concerned with the measurement of ideal portion size
title_full Testing an online measure of portion size selection: a pilot study concerned with the measurement of ideal portion size
title_fullStr Testing an online measure of portion size selection: a pilot study concerned with the measurement of ideal portion size
title_full_unstemmed Testing an online measure of portion size selection: a pilot study concerned with the measurement of ideal portion size
title_sort Testing an online measure of portion size selection: a pilot study concerned with the measurement of ideal portion size
author_id_str_mv ebe50ef830ed9bc9aacf76cb791f898f
503d8657d47c066ada31f344b030c352
e8d0f85a0d2762328c906c75b1d154b7
07aeb47532af5a8421686d4f22f4a226
author_id_fullname_str_mv ebe50ef830ed9bc9aacf76cb791f898f_***_Rochelle Embling
503d8657d47c066ada31f344b030c352_***_Michelle Lee
e8d0f85a0d2762328c906c75b1d154b7_***_Menna Price
07aeb47532af5a8421686d4f22f4a226_***_Laura Wilkinson
author Rochelle Embling
Michelle Lee
Menna Price
Laura Wilkinson
author2 Rochelle Embling
Michelle Lee
Menna Price
Laura Wilkinson
format Journal article
container_title Pilot and Feasibility Studies
container_volume 7
container_issue 1
publishDate 2021
institution Swansea University
issn 2055-5784
doi_str_mv 10.1186/s40814-021-00908-x
publisher Springer Science and Business Media LLC
college_str Faculty of Medicine, Health and Life Sciences
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hierarchy_top_id facultyofmedicinehealthandlifesciences
hierarchy_top_title Faculty of Medicine, Health and Life Sciences
hierarchy_parent_id facultyofmedicinehealthandlifesciences
hierarchy_parent_title Faculty of Medicine, Health and Life Sciences
department_str School of Psychology{{{_:::_}}}Faculty of Medicine, Health and Life Sciences{{{_:::_}}}School of Psychology
document_store_str 1
active_str 0
description BackgroundPortion size is known to be a key driver of food intake. As consumed portions are often pre-planned, ‘ideal portion size’—an individual’s preferred meal size selected prior to eating—has been identified as a strong predictor of actual consumption. However, assessments of ideal portion size have predominantly relied on laboratory-based computer tasks, limiting use online. Therefore, this cross-sectional study sought to pilot test the validity of a web-based tool to measure ideal portion size.MethodsIn an online study (N = 48), participants responded to images of a range of foods. Each food was photographed in a series of different portions and loaded into an ‘image carousel’ that would allow participants to change the size of the displayed portion by moving a slider left-to-right. Using this image carousel, participants selected their ideal portion size. They also completed measures of expected satiety and expected satiation and self-reported their age and body mass index (BMI). A non-parametric correlation matrix was used to explore associations between ideal portion size and identified predictors of food intake.ResultsSupporting convergent validity of this measure, ideal portion size was significantly correlated with expected satiety (rs = .480) and expected satiation (rs = −.310) after controlling for effects of baseline hunger and fullness, consistent with past research. Similarly, supporting divergent validity of this measure, ideal portion size was not significantly correlated with age (rs = −.032) or BMI (rs = −.111,).ConclusionsPilot results support the validity of this web-based portion size selection tool used to measure ideal portion size, though further research is needed to validate use with comparisons to actual food intake.
published_date 2021-09-17T04:13:42Z
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