Wider income gaps, wider waistbands? An ecological study of obesity and income inequality

摘要: Objectives: To see if obesity, deaths from diabetes, and daily calorie intake are associated with income inequality among developed countries. Design: Ecological study of 21 Countries: Countries were eligible for inclusion they the top 50 countries highest gross national per capita by purchasing power parity in 2002, had a population over 3 million, available data on outcome measures. Main measures: Percentage obese (body mass index >30) adult men women, diabetes mortality rates, consumption day. Results: Adjusting income, was positively correlated percentage (r = 0.48, p 0.03), women 0.62, 0.003), rates 1 million people 0.46, 0.04), average calories day 0.50, 0.02). Correlations stronger analyses weighted size. The effect female obesity independent intake. Conclusions: Obesity, mortality, Increased nutritional problems may be consequence psychosocial impact living more hierarchical society.