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BMI (a, b), waist circumference (WC; c, d) and waist-to-height ratio (WHtR; e, f) among 7–10-year-old schoolchildren from public and private schools in Florianopolis, Brazil in 2002 (
) and 2007 (
), stratified by sex (a, c, e, boys; b, d, f, girls) and age. Values are means, with their 95 % confidence intervals represented by vertical bars. Mean values were significantly different between years: *P<0·05
