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J Asthma. 2008 Jan-Feb;45(1):19-25. doi: 10.1080/02770900701496056.

Is the prevalence of asthma and related symptoms among Brazilian children related to socioeconomic status?

Author information

  • 1Division of Allergy, Clinical Immunology and Rheumatology, Department of Pediatrics, Federal University of São Paulo, São Paulo, Brazil. dirceus@ajato.com.br

Abstract

OBJECTIVE:

To evaluate the relationship between socioeconomic status (SES) and the prevalence of asthma and related symptoms among Brazilian children.

METHODS:

The International Study of Asthma and Allergies in Childhood (ISAAC) written questionnaire was applied to 23,457 six- to seven-year-old schoolchildren (SC) and 58,144 thirteen- to fourteen-year-old adolescents (AD) from 20 Brazilian cities. SES was evaluated by infant mortality index, poverty index, and average nominal income for people older than 10 years of age.

RESULTS:

Current asthma ranged from 16.5% to 31.2% among SC and from 11.8% to 30.5% among AD and severe asthma from 2.9% to 8.5% (SC) and 2.6% to 9.1% (AD). Higher values were observed in Brazilian-Northern, -Northeastern and -Southeastern centers. No significant association between SES and prevalence of asthma and related symptoms was observed.

CONCLUSIONS:

In Brazil, the prevalence of asthma and related symptoms is quite variable and independent of SES.

PMID:
18259991
[PubMed - indexed for MEDLINE]
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