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Safety Author: Staff Editor Last Updated: Nov 15, 2017 - 11:52:19 AM

Neighborhood Safety Plays Role in Youth Physical Activity

By Staff Editor
Nov 15, 2017 - 11:47:19 AM

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( - An observational study conducted by a University of Alabama at Birmingham researcher shows evidence that physical environment and safety play a major role in how active children and adolescents can be.

Sarah-Jeanne Salvy, Ph.D., Division of Preventive Medicine associate professor and lead author, says both the physical environment — the presence of parks and sidewalks — and the social environment — having friends to play with — influence youth physical activity.

“Studies of neighborhood safety and physical activity have typically neglected to consider the youth’s peer context as a modifier of these relationships,” Salvy said in the study published in Preventive Medicine Reports. “This study fills this gap in testing the independent and interactive effects of both perceived neighborhood safety and time spent with friends and peers on young adolescents’ physical activity and sedentary behavior.”

The Centers for Disease Control and Prevention recommends children and adolescents ages 6 to 17 years should have 60 minutes or more of physical activity each day. Many children and adolescents do not meet these recommendations. Salvy says there have been quite a few studies indicating that neighborhood walkability and safety, as well as access to parks or facilities, influence adolescents’ physical activity. However, this study is innovative in suggesting that neighborhood safety does not occur in a vacuum, and that time spent with friends and peers may also influence youths’ perception of neighborhood safety and overall physical activity.

In the study, 80 adolescents ages 13 to 17 in Buffalo, New York, were instructed to wear accelerometers for seven consecutive days. Multilevel models were used to estimate the relationships between predictors — neighborhood safety and social context — and outcomes — physical activity and sedentary time/behavior. Findings indicated that time spent with peers and friends influenced the relationship between perceived neighborhood safety and physical activity. Specifically, the negative relationship between neighborhood safety and physical activity was stronger among adolescents who reported spending little time with peers and friends than for those who reported frequent peer interactions.

“Our findings emphasize the importance of considering social factors when examining the impact of neighborhood on physical activity,” Salvy said. “You can build beautiful parks and facilities; but if children don’t have friends to play with, these facilities won’t be enough to increase their physical activity. Peers and friends are the catalyst of the physical environment.”

Salvy says fostering social interactions and social cohesion at the individual and community level has the potential to decrease feelings of vulnerability and fear for safety in neighborhoods. Practical strategies include community events organized around health-promoting activities — physically active classes held in local parks — encourage community members to interact with one another in the neighborhood setting..

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