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Annals of Behavioral Medicine
Published in: Annals of Behavioral Medicine 2/2008

01-04-2008 | Original Article

Efficacy and Use of an Internet-delivered Computer-tailored Lifestyle Intervention, Targeting Saturated Fat Intake, Physical Activity and Smoking Cessation: A Randomized Controlled Trial

Authors: Anke Oenema, Ph.D., Johannes Brug, Ph.D., Arie Dijkstra, Ph.D., Inge de Weerdt, Ph.D., Hein de Vries, Ph.D.

Published in: Annals of Behavioral Medicine | Issue 2/2008

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Abstract

Background

Although experts claim that computer-tailored interventions provided over the Internet have great potential to promote health behavior change, few studies have tested the efficacy of computer-tailored lifestyle interventions online-delivered over the Internet.

Purpose

To evaluate the short-term (1 month) efficacy of an Internet-delivered, computer-tailored lifestyle intervention targeting saturated fat intake, physical activity (PA), and smoking cessation, and to evaluate exposure to the intervention.

Methods

A pretest–posttest randomized controlled trial with an intervention group and a no intervention waiting list control group was conducted. Self-reported behavior and determinants were assessed at baseline and 1 month follow-up. Exposure to the intervention was monitored through server registrations. The data were analyzed using multiple linear and logistic regression analysis.

Results

The intervention resulted in a significantly lower self-reported saturated fat intake (b = −0.76, p < 0.01) and a higher likelihood of meeting the PA guidelines among respondents who were insufficiently active at baseline (OR = 1.34, 95%CI = 1.001–1.80). No significant intervention effects were found for self-reported smoking status. Of the participants, 81% actually visited the website.

Conclusions

The Internet-delivered, computer-tailored lifestyle intervention was effective in reducing self-reported saturated fat intake and in increasing self-reported PA among participants who completed the study.
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Metadata
Title
Efficacy and Use of an Internet-delivered Computer-tailored Lifestyle Intervention, Targeting Saturated Fat Intake, Physical Activity and Smoking Cessation: A Randomized Controlled Trial
Authors
Anke Oenema, Ph.D.
Johannes Brug, Ph.D.
Arie Dijkstra, Ph.D.
Inge de Weerdt, Ph.D.
Hein de Vries, Ph.D.
Publication date
01-04-2008
Publisher
Springer-Verlag
Published in
Annals of Behavioral Medicine / Issue 2/2008
Print ISSN: 0883-6612
Electronic ISSN: 1532-4796
DOI
https://doi.org/10.1007/s12160-008-9023-1

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