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Updated: Jun 11, 2026

Visualization of Intensity Levels to Reduce the Gap Between Self-Reported and Directly Measured Physical Activity
Published on: March 7, 2019
Improving physical activity and dietary behaviours with single or multiple health behaviour interventions? A
Shane N Sweet1, Michelle S Fortier
1School of Psychology, University of Ottawa, 125 University Pr., Montpetit Hall, University of Ottawa, Ottawa, Ontario, K1N 6N5, Canada. ssweet@uottawa.ca
Abstract:
Since multiple health behaviour interventions have gained popularity, it is important to investigate their effectiveness compared to single health behaviour interventions. This synthesis aims to determine whether single intervention (physical activity or dietary) or multiple interventions (physical activity and dietary) are more effective at increasing these behaviours by synthesizing reviews and meta-analyses. A sub-purpose also explored their impact on weight. Overall, reviews/meta-analyses showed that single health behaviour interventions were more effective at increasing the targeted behaviours, while multiple health behaviour interventions resulted in greater weight loss. This review may assist policies aiming at improving physical activity and nutrition and reversing the obesity epidemic.
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