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Revista Brasileira de Epidemiologia

Print version ISSN 1415-790X


RICARDO, Gabriela Dalsasso; CALDEIRA, Gilberto Veras  and  CORSO, Arlete Catarina Tittoni. Prevalence of overweight and obesity and central adiposity indexes among school-aged children in Santa Catarina, Brazil. Rev. bras. epidemiol. [online]. 2009, vol.12, n.3, pp.424-435. ISSN 1415-790X.

OBJECTIVE: To estimate the prevalence of overweight and obesity in school children, their association with region, gender, age, school system, and correlation between anthropometric indexes. METHOD: Cross-sectional study with 4,964 children between 6 and 10 years of age of 345 elementary schools in the state of Santa Catarina. Body mass index was used to diagnose overweight and obesity according to Cole et al. (2000). Waist circumference, waist-to-hip ratio, waist-to-height ratio, triceps and subscapular skinfold thickness, and subscapular-to-triceps ratio were used as fat distribution indexes. We estimated the odds ratio with a 95% CI. To assess the relationship between BMI and anthropometric indexes, Pearson's correlation was calculated. RESULT: 52.2% of the students were female. The prevalence of overweight and obesity were 15.4% and 6.0%. There was no association between overweight or obesity and regions, gender or age; only between overweight and the private network. Children in the private school network were 1.46 (1.22-1.74) times more likely to develop overweight. The correlation between BMI and waist circumference was the strongest (r = 0.90). CONCLUSION: Children in the private school network are more exposed to overweight and obesity than those in the public network, suggesting that socioeconomic conditions of schools could be the explanation. The waist circumference indicator of central adiposity may be used as an indicator of total adiposity.

Keywords : Overweight; Obesity; Schoolchildren; Anthropometric Indexes.

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