• B S Centerwall.
• Department of Epidemiology, University of Washington, Seattle 98195, USA.
• JAMA. 1995 Jun 14; 273 (22): 175517581755-8.

ObjectiveA study of 222 intraracial domestic homicides in Atlanta, Ga, found that when black and white populations were unstratified, the relative risk of homicide in black populations was 5.8 (95% confidence interval [CI], 4.3 to 8.0); when black and white populations were stratified by rates of household crowding, the relative risk of homicide in black populations was no longer significantly elevated (relative risk [RR], 1.2; 95% CI, 0.7 to 2.0). The current study sought to replicate, or not replicate, these findings in New Orleans, La.MethodsRetrospective study of 349 intraracial domestic homicides perpetrated against residents of Orleans Parish in 1979, 1982, 1985, and 1986.Main Outcome MeasureRelative risk of homicide in the black and white populations of New Orleans when they are stratified by rates of household crowding.ResultsWhen black and white populations of New Orleans were unstratified, the relative risk of intraracial domestic homicide in black populations was 6.3 (95% CI, 4.3 to 9.5). When black and white populations were stratified by rates of household crowding, the relative risk of homicide in black populations was no longer significantly elevated (RR, 1.2; 95% CI, 0.4 to 2.9).ConclusionThe findings of the Atlanta homicide study are replicated in the current study of homicide in New Orleans. In both cities, sixfold differences in black and white rates of intraracial domestic homicide are entirely accounted for by differences in socioeconomic status between the respective black and white populations. There are no significant residual differences requiring cultural explanations.

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