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Severe food insecurity is associated with obesity among Brazilian adolescent females.
MedLine Citation:
PMID:  22251603     Owner:  NLM     Status:  Publisher    
OBJECTIVE: To determine whether household food insecurity (HFI) is associated with a higher prevalence of excessive weight (EW) in a large random sample of Brazilian female adolescents. DESIGN: Nationally representative cross-sectional study. EW was the outcome variable (BMI ≥ 85th percentile of WHO reference for adolescents aged 15-18 years and BMI ≥ 25 kg/m2 for those aged 19 years). HFI was measured with the Brazilian Food Insecurity Scale. Associations were measured using crude and adjusted prevalence ratios (PR) with 95 % confidence intervals through Poisson regression models taking into account the complex sampling design. SETTING: Data were derived from the third wave of the Demographic and Health Survey conducted in 2006-2007, in Brazil. SUBJECTS: The sample included 1529 female adolescents aged 15-19 years. RESULTS: The prevalence of any level of HFI was 40·8 %, with 26·6 % of households experiencing mild, 9·4 % moderate and 4·8 % severe food insecurity. The overall prevalence of EW was 21·9 % (12·9 % were overweight and 9·0 % obese). EW prevalence among those living in severely, moderately and mildly food-insecure households was 36·8 %, 14·9 % and 16·5 %, respectively (P for the overall association = 0·036). Women living in severely food-insecure households had an increased prevalence of EW compared with their food-secure counterparts (PR = 1·96; 95 % CI 1·18, 3·27; P = 0·007), after adjusting for important confounders. CONCLUSIONS: The study suggests that severe but not mild or moderate HFI is independently associated with EW among adolescents residing in Brazil, a middle-income country undergoing the nutrition transition.
Gilberto Kac; Gustavo Velásquez-Melendez; Michael M Schlüssel; Ana Maria Segall-Côrrea; Antônio Am Silva; Rafael Pérez-Escamilla
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-1-17
Journal Detail:
Title:  Public health nutrition     Volume:  -     ISSN:  1475-2727     ISO Abbreviation:  -     Publication Date:  2012 Jan 
Date Detail:
Created Date:  2012-1-18     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9808463     Medline TA:  Public Health Nutr     Country:  -    
Other Details:
Languages:  ENG     Pagination:  1-7     Citation Subset:  -    
1Department of Social and Applied Nutrition, Observatório de Epidemiologia Nutricional, Institute of Nutrition Josué de Castro, Federal University of Rio de Janeiro, CCS - Bloco J - 2° andar, Cidade Universitária - Ilha do Fundão, CEP 21941-902, Rio de Janeiro, RJ, Brazil.
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