Seventy-five percent of persons presenting with BRIs were male and 60% reported race/ethnicity as white. Persons aged 18Á 25 years represented 28% of visits and those aged 6Á17 years accounted for 17%. Boston residents accounted for 52% of BRI visits; 15% were from bordering communities. One Boston neighborhood with the highest BRI rate by patient residence also has a large college student population.