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Does dietary diversity reduce the risk of obesity? Empirical evidence from rural school children in China

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  • Tao, Chang
  • Zhao, Qiran
  • Glauben, Thomas
  • Ren, Yanjun
Abstract
Childhood and adolescence overweight and obesity have implications for both health consequences and economic burden. Although it has been an emerging public health problem for primary school children in rural China and the importance of the diet–health link has been stressed for many years, rigorous analysis of the dietary diversity and obesity among children is rare. To clarify this issue, this study provides a better understanding of the functional linkage between dietary diversity and obesity by analyzing data from nearly 8500 rural primary students (aged from 10 to 13 years old) covering three provinces in China. Our estimation results show that there is a significantly negative correlation between dietary diversity and the probability of being overweight among primary students. In particular, for subgroups with higher dietary diversity, the negative correlation between dietary diversity and the incidence of overweight or obesity is stronger, and the absolute value of the coefficient is greater. The results also suggest that the increase in the consumption frequency of all dietary categories can significantly lead to a lower proportion of overweight. Thus, we conclude that higher dietary diversity can help to lower the risk of overweight and obesity among primary school children, presumably through increasing the daily frequency of food intakes and developing a more diverse dietary pattern.

Suggested Citation

  • Tao, Chang & Zhao, Qiran & Glauben, Thomas & Ren, Yanjun, 2020. "Does dietary diversity reduce the risk of obesity? Empirical evidence from rural school children in China," EconStor Open Access Articles and Book Chapters, ZBW - Leibniz Information Centre for Economics, vol. 17(21).
    • Handle: RePEc:zbw:espost:225633
    DOI: 10.3390/ijerph17218122
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    1. Qihui Chen & Chunchen Pei & Yunli Bai & Qiran Zhao, 2019. "Impacts of Nutrition Subsidies on Diet Diversity and Nutritional Outcomes of Primary School Students in Rural Northwestern China—Do Policy Targets and Incentives Matter?," IJERPH, MDPI, vol. 16(16), pages 1-14, August.
    2. Qihui Chen & Chunchen Pei & Qiran Zhao, 2018. "Eating More but Not Better at School? Impacts of Boarding on Students’ Dietary Structure and Nutritional Status in Rural Northwestern China," Sustainability, MDPI, vol. 10(8), pages 1-18, August.
    3. Liu, Xiaoou & Zhu, Chen, 2014. "Will knowing diabetes affect labor income? Evidence from a natural experiment," Economics Letters, Elsevier, vol. 124(1), pages 74-78.
    4. Jie Liu & Qingshan Yang & Jian Liu & Yu Zhang & Xiaojun Jiang & Yangmeina Yang, 2020. "Study on the Spatial Differentiation of the Populations on Both Sides of the “Qinling-Huaihe Line” in China," Sustainability, MDPI, vol. 12(11), pages 1-25, June.
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    Cited by:

    1. Zeqi Liu & Wei Si & Qiran Zhao & Chang Tao, 2021. "Does Subjective Dietary Knowledge Affect Sugar-Sweetened Carbonated Beverages Consumption and Child Obesity? Empirical Evidence from the Inner Mongolia Autonomous Region in China," IJERPH, MDPI, vol. 18(7), pages 1-20, April.

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