| Sumario: | Low level of physical activity is often associated with other unhealthy behaviors, such as smoking or poor diet. When promoting good health and preventing illness on a population level, it might be a good idea to target several health behaviors in the same communication strategy. This systematic review looks at the effects of information and other communication initiatives on physical activity and on changes in one or more other lifestyle habit. The results of information and other communication initiatives show:1. Physical activity: increase in total amount of measured activity up to 6 months; little or no differences at longer follow up times.2. Intake of calories: unclear results up to 6 months, reduced intake between 13 and 24 months; unclear results at longer follow up times.3. Intake of fruit and vegetables: increased up to 6 months; little or no difference at longer follow up times.4. Use of computers and electronic games: small reduction measured up 12 months; little or no difference at longer follow up times.5. Self efficacy of diet, and self efficacy of diet and of physical activity: small increase up to 6 months, little or no difference for self efficacy of physical activity alone; no difference at longer follow up times.6. Body mass index, smoking and alcohol intake: unclear results.
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