A study analyzed injuries per 10,000 youths within 600 feet and 600-1200 feet of schools and convenience stores. Youth injury rates within 600 feet of both schools and stores were higher, at 31.9 and 28.6 per 10,000 respectively, compared to 600-1200 feet which had lower rates of 15.2 and 23.7 per 10,000 and injury ratios of 0.5 and 0.8 compared to the 0-600 foot range.

1. Assignment 7-2
School Buffer Ring Injuries Youth Population Injuries per
10,000 youths
Ratio
0-600 (ft.) 22 6891 31.9 1.0
600-1200(ft.) 26 17109 15.2 0.5

2. Convenience
Store Buffer Ring
Injuries Youth Population Injuries per
10,000 youths
Ratio
0-600 (ft.) 20 6994 28.6 1.0
600-1200 (ft.) 30 12683 23.7 0.8