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Waste the waist: a pilot randomised controlled trial of a primary care based intervention to support lifestyle change in people with high cardiovascular risk

Greaves, Colin, Gillison, Fiona, Stathi, Afroditi, Bennett, Paul, Reddy, Prasuna, Dunbar, James, Perry, Rachel, Messom, Daniel, Chandler, Roger, Francis, Margaret, Davis, Mark, Green, Colin, Evans, Philip and Taylor, Gordon 2015, Waste the waist: a pilot randomised controlled trial of a primary care based intervention to support lifestyle change in people with high cardiovascular risk, International journal of behavioral nutrition and physical activity, vol. 12, pp. 1-13, doi: 10.1186/s12966-014-0159-z.

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Title Waste the waist: a pilot randomised controlled trial of a primary care based intervention to support lifestyle change in people with high cardiovascular risk
Author(s) Greaves, Colin
Gillison, Fiona
Stathi, Afroditi
Bennett, Paul
Reddy, Prasuna
Dunbar, JamesORCID iD for Dunbar, James orcid.org/0000-0003-0866-4365
Perry, Rachel
Messom, Daniel
Chandler, Roger
Francis, Margaret
Davis, Mark
Green, Colin
Evans, Philip
Taylor, Gordon
Journal name International journal of behavioral nutrition and physical activity
Volume number 12
Article ID 1
Start page 1
End page 13
Total pages 13
Publisher BioMed Central
Place of publication London, Eng.
Publication date 2015-01-16
ISSN 1479-5868
Keyword(s) Aged
Body Mass Index
Cardiovascular Diseases
Diet
Exercise
Feasibility Studies
Female
Health Behavior
Health Promotion
Humans
Life Style
Male
Middle Aged
Obesity
Pilot Projects
Primary Health Care
Program Evaluation
Risk Factors
United Kingdom
Summary BACKGROUND: In the UK, thousands of people with high cardiovascular risk are being identified by a national risk-assessment programme (NHS Health Checks). Waste the Waist is an evidence-informed, theory-driven (modified Health Action Process Approach), group-based intervention designed to promote healthy eating and physical activity for people with high cardiovascular risk. This pilot randomised controlled trial aimed to assess the feasibility of delivering the Waste the Waist intervention in UK primary care and of conducting a full-scale randomised controlled trial. We also conducted exploratory analyses of changes in weight.

METHODS: Patients aged 40-74 with a Body Mass Index of 28 or more and high cardiovascular risk were identified from risk-assessment data or from practice database searches. Participants were randomised, using an online computerised randomisation algorithm, to receive usual care and standardised information on cardiovascular risk and lifestyle (Controls) or nine sessions of the Waste the Waist programme (Intervention). Group allocation was concealed until the point of randomisation. Thereafter, the statistician, but not participants or data collectors were blinded to group allocation. Weight, physical activity (accelerometry) and cardiovascular risk markers (blood tests) were measured at 0, 4 and 12 months.

RESULTS: 108 participants (22% of those approached) were recruited (55 intervention, 53 controls) from 6 practices and 89% provided data at both 4 and 12 months. Participants had a mean age of 65 and 70% were male. Intervention participants attended 72% of group sessions. Based on last observations carried forward, the intervention group did not lose significantly more weight than controls at 12 months, although the difference was significant when co-interventions and co-morbidities that could affect weight were taken into account (Mean Diff 2.6Kg. 95%CI: -4.8 to -0.3, p = 0.025). No significant differences were found in physical activity.

CONCLUSIONS: The Waste the Waist intervention is deliverable in UK primary care, has acceptable recruitment and retention rates and produces promising preliminary weight loss results. Subject to refinement of the physical activity component, it is now ready for evaluation in a full-scale trial.
Language eng
DOI 10.1186/s12966-014-0159-z
Field of Research 110201 Cardiology (incl Cardiovascular Diseases)
11 Medical And Health Sciences
13 Education
Socio Economic Objective 920103 Cardiovascular System and Diseases
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2015, The Authors
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30075323

Document type: Journal Article
Collections: Population Health
Open Access Collection
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Created: Fri, 14 Aug 2015, 15:49:43 EST

Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.