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BMC Public Health
Published in: BMC Public Health 1/2015

Open Access 01-12-2015 | Study protocol

Rationale, design and baseline characteristics of a randomized controlled trial of a web-based computer-tailored physical activity intervention for adults from Quebec City

Authors: François Boudreau, Michel Jean Louis Walthouwer, Hein de Vries, Gilles R. Dagenais, Ginette Turbide, Anne-Sophie Bourlaud, Michel Moreau, José Côté, Paul Poirier

Published in: BMC Public Health | Issue 1/2015

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Abstract

Background

The relationship between physical activity and cardiovascular disease (CVD) protection is well documented. Numerous factors (e.g. patient motivation, lack of facilities, physician time constraints) can contribute to poor PA adherence. Web-based computer-tailored interventions offer an innovative way to provide tailored feedback and to empower adults to engage in regular moderate- to vigorous-intensity PA. To describe the rationale, design and content of a web-based computer-tailored PA intervention for Canadian adults enrolled in a randomized controlled trial (RCT).

Methods/Design

244 men and women aged between 35 and 70 years, without CVD or physical disability, not participating in regular moderate- to vigorous-intensity PA, and familiar with and having access to a computer at home, were recruited from the Quebec City Prospective Urban and Rural Epidemiological (PURE) study centre. Participants were randomized into two study arms: 1) an experimental group receiving the intervention and 2) a waiting list control group. The fully automated web-based computer-tailored PA intervention consists of seven 10- to 15-min sessions over an 8-week period. The theoretical underpinning of the intervention is based on the I-Change Model. The aim of the intervention was to reach a total of 150 min per week of moderate- to vigorous-intensity aerobic PA.

Discussion

This study will provide useful information before engaging in a large RCT to assess the long-term participation and maintenance of PA, the potential impact of regular PA on CVD risk factors and the cost-effectiveness of a web-based computer-tailored intervention.

Trial registration

ISRCTN36353353 registered on 24/07/2014
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Metadata
Title
Rationale, design and baseline characteristics of a randomized controlled trial of a web-based computer-tailored physical activity intervention for adults from Quebec City
Authors
François Boudreau
Michel Jean Louis Walthouwer
Hein de Vries
Gilles R. Dagenais
Ginette Turbide
Anne-Sophie Bourlaud
Michel Moreau
José Côté
Paul Poirier
Publication date
01-12-2015
Publisher
BioMed Central
Published in
BMC Public Health / Issue 1/2015
Electronic ISSN: 1471-2458
DOI
https://doi.org/10.1186/s12889-015-2364-3

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