Interventions on diet and physical activity: What works. Methodolody (2009)
The review evaluated existing evidence on the effectiveness of diet and physical activity interventions at group, community and population levels, with a focus on disadvantaged communities and low- and middle-income countries. In addition to the peer-reviewed studies, it also made use of grey literature on policy interventions and promising initiatives that had not yet undergone rigorous evaluation. The methodology was adapted from the guidelines provided by the Centre for Reviews and Dissemination of the University of York, Rychnetik and Frommer and Flynn et al.