This study examined neighborhood safety as perceived by children (mean age=10 years) and their mothers, and its association with children\u27s physical activity. For all eight safety items examined, children perceived their environment as less dangerous than mothers (p\u3c0.05). None of the multiple regression models predicting children\u27s physical activity by safety perceptions were significant (p\u3e0.10). The maternal perception model explained the highest percentage of variance (R2=0.26), compared to the children\u27s perception model (R2=0.22). Findings suggest that future studies should explore relations between self-reported and objectively measured safety barriers to Hispanic youth walking and cycling
