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. 2025 Jan 10;24(1):9.
doi: 10.1186/s12939-024-02371-5.

Decomposing disparities in the utilization of basic public health services between locals and internal migrants in China: the role of social determinants

Xiaohui Zhai  1 , Zhongliang Zhou  2 , Sha Lai  3 , Jieyu Wang  4 , Yaxin Zhao  5 , Guanping Liu  3 , Zhichao Wang  3 , Hongbin Fan  3 , Yan Zhuang  1 , Dantong Zhao  6 , Dan Cao  7 , Peter C Coyte  8
Affiliations

Decomposing disparities in the utilization of basic public health services between locals and internal migrants in China: the role of social determinants

Xiaohui Zhai et al. Int J Equity Health. .

Abstract

Background: Internal migrants in China have long been at a disadvantage in terms of access to publicly financed services, as well as the utilization of public health services. The aim of the study was to examine inequities in the use of basic public health services between internal migrants and the local population and estimate the factors that contributed to inequity in use.

Methods: The data for this study was derived from the 2017 wave of the China Migrants Dynamic Survey. Basic public health services utilization was measured by the establishment of health records, health education and chronic disease management. We performed multivariable logistic regressions to examine inequities in the utilization of basic public health services between locals and internal migrants, and Oaxaca-Blinder decomposition was used to explore possible explanations for such inequities between the two groups.

Results: A total of 27,998 cases were included in the analysis. We found that the utilization rates for establishment of health records, health education and chronic disease management among internal migrants were 71.3%, 49.2% and 65.7% lower than their local counterparts, respectively. The decomposition results indicated that the inequities in the establishment of health records between locals and internal migrants were mainly explained by whether people had heard of the National Basic Public Health Services Program (NBPHSP) (17.67%) and by health insurance (5.99%). The contributors to the inequities in health education between locals and internal migrants were community involvement (14.71%) and whether people had heard of the NBPHSP (13.89%). The main factors contributing to the difference in utilization of chronic disease management between the two groups were whether people had heard of the NBPHSP (14.49%) and community involvement (8.43%).

Conclusions: To reduce inequities in the utilization of basic public health services between locals and internal migrants, measures need to be taken to improve knowledge about the basic public health services and to help migrants integrate into the local community.

Keywords: Basic public health services utilization; Blinder–Oaxaca decomposition; China; Inequity; Internal migrants.

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Conflict of interest statement

Declarations. Ethics approval and consent to participate: Not applicable. Consent for publication: Not applicable. Competing interests: The authors declare no competing interests.

Figures

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Fig. 1
The sample size and sample distribution
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The theoretical framework
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The utilization of basic public health services by locals and internal migrants
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Fig. 4
Contribution of each independent variable to the total differences
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