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Improving diet and physical activity with ALIVE: a worksite randomized trial
Barbara Sternfeld1, Clifford Block, Charles P Quesenberry
1Division of Research, Kaiser Permanente, Oakland, California 94612, USA. bxs@dor.kaiser.org
American Journal of Preventive Medicine
|May 23, 2009
Summary
The ALIVE email program significantly increased moderate physical activity, vigorous physical activity, and walking, while reducing unhealthy fat intake. This intervention demonstrated lasting improvements in diet and physical activity behaviors.
Area of Science:
- Public Health
- Behavioral Science
- Health Promotion
Background:
- Low prevalence of healthy diets and regular physical activity.
- Need for cost-effective strategies to promote population health behaviors.
Purpose of the Study:
- To evaluate the effectiveness of the ALIVE email program in improving diet and physical activity.
Main Methods:
- Randomized controlled trial (RCT) of a 16-week e-mail intervention.
- Intervention included tailored goals, personalized homepage, educational materials, and tracking tools.
- Participants were 787 employees in a healthcare organization.
Main Results:
- Significant increases in moderate physical activity (MPA), vigorous physical activity (VPA), and walking.
- Significant reductions in saturated and trans fat intake.
- Increased fruit and vegetable consumption and decreased added sugar intake.
- Sustained differences observed 4 months post-intervention.
Conclusions:
- The ALIVE program is an effective strategy for improving diet and physical activity.
- Intervention showed significant positive changes in multiple health behaviors.
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