87,022 children & adolescents were monitored for 3 yrs; 736 met the study criteria for intentional injuries. These included 8 deaths, 207 hospital admissions & 521 emergency room visits. Overall, 1 in 130 children was treated each yr for an intentional injury; 11.4% were self-inflicted. The rate of intentional injury was directly correlated with both the degree of urbanization & the poverty level of the community of reference. (27 refs)