Previous studies have shown poor correlation between subjective assessments of neighborhood safety and physical activity. This study was performed to model relationships between adolescents' outdoor physical activity and objectively measured violent crime densities, along with other key environmental variables.
Department of Pediatrics, The University of Texas Health Science Center at San Antonio (U.T.H.S.C.S.A.), San Antonio, TX 78229, USA. gomezje@uthscsa.edu