Journal
BMC PUBLIC HEALTH
Volume 15, Issue -, Pages -Publisher
BMC
DOI: 10.1186/s12889-015-1637-1
Keywords
Geoffrey Rose; Population approach; Epidemiology; Obesity; Body mass index
Categories
Funding
- Brazilian Coordinating Center for Training University Level Personnel (CAPES)
- Carlos Chagas Filho Research Support Foundation (FAPERJ)
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Background: The purpose of this study was to investigate the association between mean body mass index (BMI) and prevalence of obesity in adult populations living in Brazilian State capitals. Methods: An ecological study was conducted, using data from the National Household Budget Survey conducted in July 2002 through June 2003, including a representative sample of 48.470 households. Pearson's correlation and linear regression coefficients were estimated in order to define the relationships of mean BMI and sex-specific, age standardized obesity prevalence (BMI = 30.0 kg/m(2)) in adults aged 20 to 59 years. Results: Stronger correlations between BMI and prevalence of obesity were observed in women (r = 0.9; p < 0.001) than in men (r = 0.6; p = 0.001) in all analyzes. A reduction of one unit in mean BMI predicted a decline in the prevalence of obesity of about 4.0% (95% CI: 1.7 - 6.3) in men, and 3.4% (95% CI: 2.6 - 4.3) in women. Conclusion: We found a correlation between BMI and prevalence of obesity, particularly among women, suggesting that population-based strategies would be effective to reduce the prevalence of obesity in adult populations living in Brazilian state capitals.
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