title: [Prevalence of asthma symptoms and risk factors among adolescents in Tubarão and Capivari de Baixo, Santa Catarina State, Brazil].
abstract: This study aimed to measure the prevalence and severity of asthma symptoms and to investigate the association between asthma symptoms and personal, geographic, and socioeconomic variables in 13-14-year-old schoolchildren enrolled in the 7th and 8th grades in Tubarão and Capivari de Baixo, Santa Catarina State, Brazil. This was a cross-sectional study using the ISAAC (International Study of Asthma and Allergies in Childhood) written questionnaire, applied to 1,870 adolescents enrolled in 42 schools in the two cities, from March to May 2005. Prevalence of current asthma (defined as wheezing in the previous 12 months) was 11.8%, and there was a 7.8% lifetime prevalence of physician-diagnosed asthma. Prevalence of wheezing that interrupted sleep (one or more nights per week) was 2.1%; 8.1% had 1-3 wheezing attacks per year; and 3.7% had wheezing that disturbed their speech. According to multivariate analysis, female gender, family history, parental asthma, rental housing, and smoking inside the home were risk factors for current asthma. Prevalence and severity of current asthma were less than in other Brazilian studies.
authors: Universidade Federal de Santa Catarina, Campus Universitário Trindade, Florianópolis, SC, Brazil.
authors: Daiane
authors: D
authors: Breda
authors: Paulo Fontoura
authors: PF
authors: Freitas
authors: Emílio
authors: E
authors: Pizzichini
authors: Fabiano Rosa
authors: FR
authors: Agostinho
authors: Marcia Margaret Menezes
authors: MM
authors: Pizzichini
mesh_terms: D000293:Adolescent; D001249:Asthma / Q000175:diagnosis / Q000453:epidemiology*; D001938:Brazil / Q000453:epidemiology; D004812:Epidemiologic Methods; D005260:Female; D006801:Humans; D008297:Male; D012959:Socioeconomic Factors