Infant mortality by socioeconomic status and race in Richmond, Virginia 1979-1981:  a research note.
"In this study an ecological approach, in which the census tract of the mother's usual residence is the basic unit of analysis, is used to study the general association between infant mortality and socioeconomic status for the total white and black population of Richmond, Virginia 1979-1981.  The analysis reveals that for the total black and white populations of the city, the traditional, inverse relationship between socioeconomic status and infant mortality exists.  For the city's black population, on the other hand, there does not appear to be any relationship between the economic or family life characteristics of census tract populations and their level of infant mortality."
Creighton-zollar
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D001741:Black or African American; D000569:Americas; D003469:Culture; D003710:Demography; D019049:Developed Countries; D004467:Economics; D005006:Ethnicity; D005191:Family Characteristics; D005843:Geography; D007226:Infant Mortality; D009026:Mortality; D009656:North America; D011153:Population; D011154:Population Characteristics; D011157:Population Dynamics; D012111:Residence Characteristics; D012923:Social Class; D012959:Socioeconomic Factors; D014481:United States; D014768:Virginia; D044465:White People
Americas; Blacks; Cultural Background; Demographic Factors; Developed Countries; Economic Factors; Ethnic Groups; Family And Household; Family Characteristics; Geographic Factors; Infant Mortality; Mortality; North America; Northern America; Population; Population Characteristics; Population Dynamics; Residence Characteristics; Socioeconomic Factors; Socioeconomic Status; Spatial Distribution; United States; Virginia; Whites