Modification of diet, exercise and lifestyle (MODEL) study: a randomised controlled trial protocol

Radavelli-Bagatini, Simone, Bondonno, Catherine P., Sim, Mark, Blekkenhorst, Lauren C., Anokye, Reindolf, Connolly, Emma, Bondonno, Nicola P., Schousboe, John T., Woodman, Richard J., Zhu, Kun, Szulc, Pawel, Jackson, Ben, Dimmock, James, Schlaich, Markus P., Cox, Kay L., Kiel, Douglas P., Lim, Wai H., Stanley, Mandy, Devine, Amanda, Thompson, Peter L., Gianoudis, Jenny, De Ross, Belinda, Daly, Robin M., Lewis, Joshua R., and Hodgson, Jonathan M. (2020) Modification of diet, exercise and lifestyle (MODEL) study: a randomised controlled trial protocol. BMJ Open, 10 (11). 036366.

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Introduction: Most cardiovascular disease (CVD)-related events could be prevented or substantially delayed with improved diet and lifestyle. Providing information on structural vascular disease may improve CVD risk factor management, but its impact on lifestyle change remains unclear. This study aims to determine whether providing visualisation and pictorial representation of structural vascular disease (abdominal aortic calcification (AAC)) can result in healthful diet and lifestyle change.

Methods and analysis: This study, including men and women aged 60–80 years, is a 12-week, two-arm, multisite randomised controlled trial. At baseline, all participants will have AAC assessed from a lateral spine image captured using a bone densitometer. Participants will then be randomised to receive their AAC results at baseline (intervention group) or a usual care control group that will receive their results at 12 weeks. All participants will receive information about routinely assessed CVD risk factors and standardised (video) diet and lifestyle advice with three simple goals: (1) increase fruit and vegetable (FV) intake by at least one serve per day, (2) improve other aspects of the diet and (3) reduce sitting time and increase physical activity. Clinical assessments will be performed at baseline and 12 weeks.

Outcomes: The primary outcome is a change in serum carotenoid concentrations as an objective measure of FV intake. The study design, procedures and treatment of data will adhere to Standard Protocol Items for Randomized Trials guidelines.

Ethics and dissemination: Ethics approval for this study has been granted by the Edith Cowan University and the Deakin University Human Research Ethics Committees (Project Numbers: 20513 HODGSON and 2019-220, respectively). Results of this study will be published in peer-reviewed academic journals and presented in scientific meetings and conferences. Information regarding consent, confidentiality, access to data, ancillary and post-trial care and dissemination policy has been disclosed in the participant information form.

Item ID: 65303
Item Type: Article (Scholarly Work)
ISSN: 2044-6055
Keywords: Protocol, cardiovascular disease, prevention, diet, exercise, randomised controlled trial
Copyright Information: This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See:
Date Deposited: 03 Jun 2021 03:02
FoR Codes: 11 MEDICAL AND HEALTH SCIENCES > 1117 Public Health and Health Services > 111712 Health Promotion @ 50%
11 MEDICAL AND HEALTH SCIENCES > 1102 Cardiovascular Medicine and Haematology > 110299 Cardiovascular Medicine and Haematology not elsewhere classified @ 50%
SEO Codes: 92 HEALTH > 9204 Public Health (excl. Specific Population Health) > 920401 Behaviour and Health @ 50%
92 HEALTH > 9202 Health and Support Services > 920205 Health Education and Promotion @ 50%
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