Changing Income-Related Inequality in Daily Nutrients Intake: A Longitudinal Analysis from China

Yongjian Xu, Siyu Zhu, Yiting Zhou, Andi Pramono and Zhongliang Zhou
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Yongjian Xu: School of Public Policy and Administration, Xi’an Jiaotong University, Xi’an 710049, China
Siyu Zhu: School of Public Policy and Administration, Xi’an Jiaotong University, Xi’an 710049, China
Yiting Zhou: School of Public Policy and Administration, Xi’an Jiaotong University, Xi’an 710049, China
Andi Pramono: Community and Aged Care Services, Hunter New England Health, Wallsend 2287, NSW, Australia
Zhongliang Zhou: School of Public Policy and Administration, Xi’an Jiaotong University, Xi’an 710049, China

IJERPH, 2020, vol. 17, issue 20, 1-16

Abstract: Because of economic reform, dietary pattern in China changed rapidly during the past two decades. Meanwhile, the changes of income and nutrients intake had the same trend. This study aims to measure the income-related inequality in daily nutrients intake and its health-related income mobility over time. Data was sourced from four waves of China Health and Nutrition Survey. Concentration indexes and health-related income mobility indexes were employed to measure the income-related inequality of nutrients intake and its change over time. This study found that the daily protein intake, daily fat intake, daily energy intake, and proportion of energy from fat over 30% were more concentrated on the rich, whereas daily carbohydrates intake among the poor. The income-related inequalities were more severe than the cross-sectional perspective in the long run. The dynamic change of urbanisation indexes has resulted that over 30% of energy from fat was more concentrated among the rich and carbohydrates intake among the poor. The nutrition transition may bring about more severe disease economic burden to the poor in the future. This study recommends an approach to minimize gaps between rural and city areas by promoting rural revitalization to reduce the income-related inequality in daily nutrient intake.

Keywords: income-related inequality; nutrients intake; concentration index; health-related income mobility (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2020
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