Résumé :
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[BDSP. Notice produite par INIST-CNRS B1TlR0xp. Diffusion soumise à autorisation]. Objectives : We analyzed neighborhood heterogeneity in associations among mortality, race/ethnicity, and area poverty. Methods : We performed a multilevel statistical analysis of Massachusetts all-cause mortality data for the period 1989 through 1991 (n=142836 deaths), modeled as 79813 cells (deaths and denominators cross-tabulated by age, gender, and race/ethnicity) at level 1 nested within 5532 block groups at level 2 within 1307 census tracts (CTs) at level 3. We also characterized CTs by percentage of the population living below poverty level. Results : Neighborhood variation in mortality across CTs and block groups was not accounted for by these areas'age, gender, and racial/ethnic composition. Neighborhood variation in mortality was much greater for the Black population than for the White population, largely because of CT-level variation in poverty rates. Conclusions : Neighborhood heterogeneity in the relationship between mortality and race/ethnicity in Massachusetts is statistically significant and is closely related to CT-level variation in poverty.
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