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Estimated weight change by country and BMI group. Unadjusted weight change (last weight determination minus baseline weight divided by time between measurements) by country, Nigeria, Jamaica, and the US for each of three BMI categories (BMI < 25, 25 <= BMI < 30, BMI >= 30). Data were collected from 1995 to 1999 from Nigeria, Jamaica and the United States (US). Only participants with at least two weight determinations are depicted in this figure.
