[Prevalence and clinical characteristics of wheezing in children in the first year of life, living in Cuiabá, Mato Grosso, Brazil].

Objective:: To evaluate the prevalence and the clinical characteristics of wheezing in infants aged 12 to 15 months in the city of Cuiabá, Mato Grosso State, Midwest Brazil.

Methods:: Parents and/or guardians of infants were interviewed and completed a written standardized questionnaire of the Estudio Internacional de Sibilancia en Lactantes (EISL) - phase 3 at primary healthcare clinics at the same day of children vaccination or at home, from August of 2009 to November of 2010.

Results:: 1,060 parents and/or guardians completed the questionnaire, and 514 (48.

[Asthma prevalence and risk factors in adolescents 13 to 14 years of age in Cuiabá, Mato Grosso State, Brazil].

The objective of this study was to estimate the prevalence of active asthma and identify associated risk factors in adolescents 13 to 14 years of age in Cuiabá, Mato Grosso State, Brazil. A cross-sectional population-based and a subsequently a nested case-control study was conducted in 2008 using the protocol of the International Study of Asthma and Allergies in Childhood (ISAAC). Risk factor analysis used the chi-square test, Fisher's exact test, and binary logistic regression.