
Community supports for physical activity: Why and how to keep track of them
Author: James F. Sallis, Ph.D., Department of Family Medicine and Public Health, University of California San Diego; Daniel A. Rodriguez, Ph.D., Department of City & Regional Planning and Institute for Transportation Studies, University of California, Berkeley
Preview: A useful surveillance system for public health planning must go beyond assessing only physical activity by including measures of modifiable characteristics that can influence the behavior. This system can also reflect the extent of interventions and changes in those characteristics nationwide.