Figure 2.

Categories of BMI. Changes in the prevalence of normal weight (BMI < 25 kg/m2), overweight (BMI 25-29.9 kg/m2), obesity class 1 (BMI 30-34.9 kg/m2), class 2 (BMI 35-39.9 kg/m2), and class 3 (BMI ≥40 kg/m2) are shown by sex and study area. Significant (p <0.05) age-adjusted changes and interactions for study area × time point are marked (⋆)

Salopuro et al. BMC Public Health 2011 11:350   doi:10.1186/1471-2458-11-350
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