Overweight, asthma symptoms, atopy and pulmonary function in children of 4-12 years of age: findings from the SCAALA cohort in Salvador, Bahia, Brazil


Matos, SM; Jesus, SR; Saldiva, SR; Prado, MS; D'Innocenzo, S; Assis, AM; Rodrigues, LC; Alcantara-Neves, NM; Cruz, Á, A; Simões, SdeM; Barreto, ML; SCAALA (Social Change, Asthma and Allergy in Latin America) Stud, ; (2011) Overweight, asthma symptoms, atopy and pulmonary function in children of 4-12 years of age: findings from the SCAALA cohort in Salvador, Bahia, Brazil. Public health nutrition, 14 (7). pp. 1270-8. ISSN 1368-9800 DOI: https://doi.org/10.1017/S1368980011000462

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Abstract

: To evaluate the association between overweight and the occurrence of asthma and atopy in a cohort of children of 4-12 years of age living in the city of Salvador in 2005.<br/> : Cross-sectional study nested in a cohort.<br/> : The metropolitan region of Salvador, Bahia, Brazil.<br/> : The study included 1129 children of 4-12 years age who presented complete information on the variables used here. Skin tests for allergy, spirometry, faecal parasitology, serum IgE and anthropometric surveys were conducted. Poisson's multivariate regression was adopted.<br/> : Wheezing was found in 29·1% and asthma in 22·8% of children, both conditions being more common in those under 6 years of age and 34% more common in overweight children (prevalence ratio (PR) = 1·34; 95% CI 1·07, 1·67) following adjustment. The ratio between forced expiratory volume in 1s and forced vital capacity was associated with overweight (PR = 1·35; 95% CI 1·11, 1·61). No statistically significant association was found between overweight and allergen-specific IgE or with wheezing.<br/> : These results are in agreement with the hypothesis that overweight is associated with asthma and pulmonary function, even following adjustment for intervening variables known to be associated with the pathogeny of asthma.<br/>

Item Type: Article
Keywords: Child, Wheezing, Obesity, body-mass index, obesity, prevalence, adolescents, childhood, disease, increase, burden, trends, risk
Faculty and Department: Faculty of Epidemiology and Population Health > Dept of Infectious Disease Epidemiology
Research Centre: Centre for Maternal, Reproductive and Child Health (MARCH)
Centre for Global Non-Communicable Diseases (NCDs)
PubMed ID: 21486522
Web of Science ID: 292210700019
URI: http://researchonline.lshtm.ac.uk/id/eprint/352

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