Socio-Economic and Demographic Correlates of Tuberculosis Incidence

Abstract
Tuberculosis morbidity data were compiled for the District of Columbia according to census tracts. Data from another study were available for parallel analysis. Five factors were retained for rotation and analysis. Two of these, called socio-economic status and cultural deprivation, involve the focal variable of tuberculosis morbidity. The crucial concomitant of tuberculosis morbidity is cultural deprivation, and most particularly it is identified with the literacy level of the tract. Virtually all of the association of tuberculosis morbidity with economic indicators is accounted for when the literacy level is controlled, but the reverse is not true. A very small relationship between divorce and tuberculosis morbidity is not explained by the illiteracy rate of the tract. The additional 3 parallel factors involve concepts of mobility, family status, and distribution of racial characteristics. It is important that ecological correlations may be suggestive of individual correlations, but the 2 must not be mistaken for each other.

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