Longitudinal Association of Dietary Energy Density with Abdominal Obesity among Chinese Adults from CHNS 1993–2018

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Abstract
Few studies have explored the longitudinal association between dietary energy density and waist circumference and abdominal obesity in adults in China. This study aimed to analyze the relationship between dietary energy density and waist circumference and abdominal obesity in Chinese residents aged 18–64. Using data from the CHNS from 1993 to 2018, 25,817 adult residents aged 18 to 64 were selected for the study. Three consecutive 24-h dietary recalls and home-weighed seasonings were used to assess food intake. A multilevel model was used to analyze the relationship between dietary energy density and waist circumference and abdominal obesity. The results showed that compared with the lowest dietary energy density group, females had an increased risk of abdominal obesity (OR = 1.16, 95% CI: 1.05, 1.29), and females’ waist circumference increased significantly by 0.24 cm (95% CI: 0.39–1.09) in the highest dietary energy density group. No association between dietary energy density and waist circumference and abdominal obesity was observed in males. This study shows that higher dietary energy density is significantly associated with females’ waist circumference and abdominal obesity. Further research on high dietary energy density and abdominal obesity will provide scientific basis for the effective control of abdominal obesity.
Funding Information
  • Strategic Priority Research Program of the Chinese Academy of Sciences (XDA19090119, R01-HD30880, DK056350, R24 HD050924, R01-HD38700, DIC 2020-02)
  • National Institutes of Health, USA (XDA19090119, R01-HD30880, DK056350, R24 HD050924, R01-HD38700, DIC 2020-02)
  • Danone Institute China Diet Nutrition Research & Communication Grant (XDA19090119, R01-HD30880, DK056350, R24 HD050924, R01-HD38700, DIC 2020-02)

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