Figure 3.

The correlations between the niacin consumption and the obesity prevalence in US adults. A: Trends of prevalence of obesity and diabetes in the US. B: The trends in the per capita niacin consumption (Ref. [23]) and in the obesity prevalence (Ref. [30]). The 10-year lag regression result is presented in the panel. C and D: showing the similar associations in both sexes. The obesity prevalence data are derived from Ref. [31]. The lag regression results are presented in each panel.

Zhou et al. BMC Public Health 2010 10:746   doi:10.1186/1471-2458-10-746
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