Evolución de las desigualdades sociales en la mortalidad general de la ciudad de Cádiz (1992–2007)

Abstract

ObjectiveTo analyze trends in socioeconomic inequality in mortality in the city of Cadiz (Spain) from 1992 to 2007. MethodsAn ecological study was performed of trends over 3 cross-sections, with the census tract as the unit of analysis. Deaths were grouped into three periods: 1992-1996, 1997-2001 and 2002-2007 and were then classified according to a deprivation index of the census tract. We calculated adjusted rates by the direct method and three measures of health inequality. ResultsOf 18,586 deaths, 96.7% was geocoded to a census tract. The population-attributable risk decreased in men and women, respectively, from 15.4% and 12.2% in 1992-1996 to 9.3% and 5.6% in 2002-2007. The other measures, slope index and the relative index also showed a decline in inequality but only among women. ConclusionsDespite a decreasing trend, social inequalities are a substantial component in the distribution of overall mortality in the city of Cadiz.