Obesity is significantly more prevalent among non-Hispanic African-American (henceforth "black") women than among non …, despite substantial increases in the rates of obesity among both groups. Over the same time period, however, we observe little … to no significant differences in the prevalence of obesity between black men and white men. Using data from the National …

. These two results contradict most theories of social comparisons. -- Imitative obesity ; relative obesity ; social contagion …

around the 1970s. In sum, the creeping nature of the obesity epidemic is evident, as the technological and lifestyle changes … of the 20th century affected various segments of the population quite differently. -- BMI ; US ; NHANES ; obesity …