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Development and Preliminary Evaluation of an Internet-Based Healthy Eating Program: Randomized Controlled Trial

Katy Tapper, Gabriela Jiga-Boy Orcid Logo, Gregory R. Maio, Geoffrey Haddock, Michael Lewis

Journal of Medical Internet Research, Volume: 16, Issue: 10, Start page: e231

Swansea University Author: Gabriela Jiga-Boy Orcid Logo

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DOI (Published version): 10.2196/jmir.3534

Abstract

The HealthValues Healthy Eating Programme is an internet-based intervention that employed a novel strategy for promoting behaviour change alongside other well known psychological principles to change behaviour. It consisted of phases targeting motivation (dietary feedback and advice, analysing reaso...

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Published in: Journal of Medical Internet Research
ISSN: 1438-8871
Published: 2014
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URI: https://cronfa.swan.ac.uk/Record/cronfa18323
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first_indexed 2014-09-10T01:58:54Z
last_indexed 2020-09-10T02:33:14Z
id cronfa18323
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spelling 2020-09-09T08:17:46.5760362 v2 18323 2014-09-09 Development and Preliminary Evaluation of an Internet-Based Healthy Eating Program: Randomized Controlled Trial a608354fa16f9c5101ec79a6a7f1be6c 0000-0003-3163-8798 Gabriela Jiga-Boy Gabriela Jiga-Boy true false 2014-09-09 HPS The HealthValues Healthy Eating Programme is an internet-based intervention that employed a novel strategy for promoting behaviour change alongside other well known psychological principles to change behaviour. It consisted of phases targeting motivation (dietary feedback and advice, analysing reasons for health values, thinking about health-related desires and concerns), volition (implementation intentions with mental contrasting) and maintenance (reviewing tasks, weekly ‘tips’). We examined the effects of the programme on consumption of fruit and vegetables, saturated fat and added sugar over 6 months. Participants (N = 100) were recruited in the local community and were allocated to an intervention or control group using a stratified block randomisation protocol. They logged onto a website every week for 24 weeks and completed health-related measures. Those in the intervention group also completed the intervention tasks at these sessions. Additionally, all participants attended laboratory sessions at baseline, 3 months and 6 months, during which they completed food measures and were measured their body mass index (BMI), waist-to-hip ratio (WHR) and heart rate variability (HRV). A series of ANOVA models revealed a significant interaction for fruit and vegetable consumption: the intervention group increased their intake between baseline and 6 months relative to the control group. Results also showed overall reductions in saturated fat intake and added sugar intake, and overall reductions in BMI and WHR during this period, but no interactions with group. The intervention did not affect alcohol consumption, physical activity, smoking or HRV. Changes in fruit and vegetable consumption were driven by the motivational and maintenance phases of the programme, suggesting that the programme helped individuals to increase their consumption of fruit and vegetables and to sustain this over a 6-month period. The observed reduction in fat and sugar intake suggests that monitoring behaviours over time is effective, though further research would be needed to confirm this conclusion. The web-based nature of the programme makes it a potentially cost-effective way of promoting healthy eating. Journal Article Journal of Medical Internet Research 16 10 e231 1438-8871 10 10 2014 2014-10-10 10.2196/jmir.3534 COLLEGE NANME Psychology COLLEGE CODE HPS Swansea University 2020-09-09T08:17:46.5760362 2014-09-09T11:14:16.6049383 Faculty of Medicine, Health and Life Sciences School of Psychology Katy Tapper 1 Gabriela Jiga-Boy 0000-0003-3163-8798 2 Gregory R. Maio 3 Geoffrey Haddock 4 Michael Lewis 5
title Development and Preliminary Evaluation of an Internet-Based Healthy Eating Program: Randomized Controlled Trial
spellingShingle Development and Preliminary Evaluation of an Internet-Based Healthy Eating Program: Randomized Controlled Trial
Gabriela Jiga-Boy
title_short Development and Preliminary Evaluation of an Internet-Based Healthy Eating Program: Randomized Controlled Trial
title_full Development and Preliminary Evaluation of an Internet-Based Healthy Eating Program: Randomized Controlled Trial
title_fullStr Development and Preliminary Evaluation of an Internet-Based Healthy Eating Program: Randomized Controlled Trial
title_full_unstemmed Development and Preliminary Evaluation of an Internet-Based Healthy Eating Program: Randomized Controlled Trial
title_sort Development and Preliminary Evaluation of an Internet-Based Healthy Eating Program: Randomized Controlled Trial
author_id_str_mv a608354fa16f9c5101ec79a6a7f1be6c
author_id_fullname_str_mv a608354fa16f9c5101ec79a6a7f1be6c_***_Gabriela Jiga-Boy
author Gabriela Jiga-Boy
author2 Katy Tapper
Gabriela Jiga-Boy
Gregory R. Maio
Geoffrey Haddock
Michael Lewis
format Journal article
container_title Journal of Medical Internet Research
container_volume 16
container_issue 10
container_start_page e231
publishDate 2014
institution Swansea University
issn 1438-8871
doi_str_mv 10.2196/jmir.3534
college_str Faculty of Medicine, Health and Life Sciences
hierarchytype
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 0
active_str 0
description The HealthValues Healthy Eating Programme is an internet-based intervention that employed a novel strategy for promoting behaviour change alongside other well known psychological principles to change behaviour. It consisted of phases targeting motivation (dietary feedback and advice, analysing reasons for health values, thinking about health-related desires and concerns), volition (implementation intentions with mental contrasting) and maintenance (reviewing tasks, weekly ‘tips’). We examined the effects of the programme on consumption of fruit and vegetables, saturated fat and added sugar over 6 months. Participants (N = 100) were recruited in the local community and were allocated to an intervention or control group using a stratified block randomisation protocol. They logged onto a website every week for 24 weeks and completed health-related measures. Those in the intervention group also completed the intervention tasks at these sessions. Additionally, all participants attended laboratory sessions at baseline, 3 months and 6 months, during which they completed food measures and were measured their body mass index (BMI), waist-to-hip ratio (WHR) and heart rate variability (HRV). A series of ANOVA models revealed a significant interaction for fruit and vegetable consumption: the intervention group increased their intake between baseline and 6 months relative to the control group. Results also showed overall reductions in saturated fat intake and added sugar intake, and overall reductions in BMI and WHR during this period, but no interactions with group. The intervention did not affect alcohol consumption, physical activity, smoking or HRV. Changes in fruit and vegetable consumption were driven by the motivational and maintenance phases of the programme, suggesting that the programme helped individuals to increase their consumption of fruit and vegetables and to sustain this over a 6-month period. The observed reduction in fat and sugar intake suggests that monitoring behaviours over time is effective, though further research would be needed to confirm this conclusion. The web-based nature of the programme makes it a potentially cost-effective way of promoting healthy eating.
published_date 2014-10-10T03:21:27Z
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score 11.03559

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