This study aimed to understand differences in the physical activity levels of seniors 65 years and older. In particular, the researchers are looked at what factors influence the degree of physical activity engagement and social isolation among seniors. The project collected data from a sample of 200 community-dwelling seniors residing in distinct neighborhoods within the city and county of Denver, Colorado. A variety of tools used in this study included: 1) Community Health Activities Model program for Seniors (CHAMPS), 2) the Neighborhood Environment Walkability Scale (NEWS), 3) a social cohesiveness scale, 4) a loneliness scale, 5) a social support scale, 6) survey questions about self-efficiency for community availability (i.e., walking, driving, and use of public transportation), and 7) the Systematic Pedestrian and Cycling Environment Scan (SPACES). Individual information was collected from survey questions and electronic medical charts.