Sérgio Souza da Cunha|Mar Pujades-Rodriguez|Maurício Lima Barreto|Bernd Genser|Laura C. Rodrigues
Ecological study of socio-economic indicators and prevalence of asthma in schoolchildren in urban Brazil
Universidade Federal da Bahia|Instituto de Saúde|Médecins Sans Frontières|Universidade Federal da Bahia|Instituto de Saúde|Universidade Federal da Bahia|Instituto de Saúde|London School of Hygiene & Tropical Medicine
evidence higher prevalence asthma populations lower socioeconomic status affluent societies prevalence asthma also high latin american countries societies characterized marked inequality wealth study aimed examine relationship estimates asthma prevalence based surveys conducted children brazilian cities health socioeconomic indicators measured population level citieswe searched literature medical databases annals scientific meeting retrieving populationbased surveys asthma conducted brazil using methodology defined international study asthma allergies childhood performed separate analyses age groups 67 years 1314 years examined association asthma prevalence rates eleven health socioeconomic indicators visual inspection using linear regression models weighed inverse variance surveysix health socioeconomic variables showed clear pattern association asthma prevalence asthma increased poorer sanitation higher infant mortality birth survey year gini index external mortality contrast asthma prevalence decreased higher illiteracy ratesthe prevalence asthma urban areas brazil middle income country appears higher cities marked poverty inequality