Impact of family doctor contracted services on the health of migrants: a cross-sectional study in China

Abstract This study investigates the impact of the family doctor contracted service system on the health of migrants in China, utilizing data from the 2018 China Migrants Dynamic Survey (CMDS). The study employs a double machine learning model to estimate the effect of family doctor contracted servi...

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Main Authors: Sijia Liu, Jiajing Hu
Format: Article
Language:English
Published: Nature Portfolio 2024-11-01
Series:Scientific Reports
Subjects:
Online Access:https://doi.org/10.1038/s41598-024-81068-9
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author Sijia Liu
Jiajing Hu
author_facet Sijia Liu
Jiajing Hu
author_sort Sijia Liu
collection DOAJ
description Abstract This study investigates the impact of the family doctor contracted service system on the health of migrants in China, utilizing data from the 2018 China Migrants Dynamic Survey (CMDS). The study employs a double machine learning model to estimate the effect of family doctor contracted services (FDCS) on migrants’ self-rated health (MSRH). The sample consists of 137,851 migrants, with family doctor service contract status, health education, and health records as key variables. To address potential endogeneity issues, an instrumental variable approach using the regional family doctor contracting rate was implemented. Mediation analysis was conducted to examine the roles of health education and health records in this relationship. The findings indicate that FDCS significantly improve MSRH. This positive effect is robust across various machine learning models, including Lassocv, Random Forest, and Gradient Boost. The instrumental variable approach confirms the validity of these results, mitigating concerns about endogeneity. Mediation analysis reveals that the positive impact of FDCS on MSRH is fully mediated by health education and health records, highlighting their critical roles in enhancing health outcomes. The FDCS play a crucial role in improving the health of migrants by providing continuous and comprehensive care. Enhanced health education and effective health records management are significant pathways through which these services exert their positive effects. Policy recommendations include expanding access to family doctor services, enhancing health education programs, and improving health records management to optimize healthcare delivery for migrants. Future research should consider longitudinal studies to further validate these findings and explore their applicability to specific subgroups or regions.
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spelling doaj-art-3e2d0e7cfc244395a25a136b6a1fcdaa2025-08-20T02:51:15ZengNature PortfolioScientific Reports2045-23222024-11-0114111210.1038/s41598-024-81068-9Impact of family doctor contracted services on the health of migrants: a cross-sectional study in ChinaSijia Liu0Jiajing Hu1School of Health Management, Inner Mongolia Medical UniversitySchool of Health Management, Inner Mongolia Medical UniversityAbstract This study investigates the impact of the family doctor contracted service system on the health of migrants in China, utilizing data from the 2018 China Migrants Dynamic Survey (CMDS). The study employs a double machine learning model to estimate the effect of family doctor contracted services (FDCS) on migrants’ self-rated health (MSRH). The sample consists of 137,851 migrants, with family doctor service contract status, health education, and health records as key variables. To address potential endogeneity issues, an instrumental variable approach using the regional family doctor contracting rate was implemented. Mediation analysis was conducted to examine the roles of health education and health records in this relationship. The findings indicate that FDCS significantly improve MSRH. This positive effect is robust across various machine learning models, including Lassocv, Random Forest, and Gradient Boost. The instrumental variable approach confirms the validity of these results, mitigating concerns about endogeneity. Mediation analysis reveals that the positive impact of FDCS on MSRH is fully mediated by health education and health records, highlighting their critical roles in enhancing health outcomes. The FDCS play a crucial role in improving the health of migrants by providing continuous and comprehensive care. Enhanced health education and effective health records management are significant pathways through which these services exert their positive effects. Policy recommendations include expanding access to family doctor services, enhancing health education programs, and improving health records management to optimize healthcare delivery for migrants. Future research should consider longitudinal studies to further validate these findings and explore their applicability to specific subgroups or regions.https://doi.org/10.1038/s41598-024-81068-9Migrant populationSelf-rated healthFamily doctor contracted servicesHealth educationHealth recordsChina migrant dynamic survey
spellingShingle Sijia Liu
Jiajing Hu
Impact of family doctor contracted services on the health of migrants: a cross-sectional study in China
Scientific Reports
Migrant population
Self-rated health
Family doctor contracted services
Health education
Health records
China migrant dynamic survey
title Impact of family doctor contracted services on the health of migrants: a cross-sectional study in China
title_full Impact of family doctor contracted services on the health of migrants: a cross-sectional study in China
title_fullStr Impact of family doctor contracted services on the health of migrants: a cross-sectional study in China
title_full_unstemmed Impact of family doctor contracted services on the health of migrants: a cross-sectional study in China
title_short Impact of family doctor contracted services on the health of migrants: a cross-sectional study in China
title_sort impact of family doctor contracted services on the health of migrants a cross sectional study in china
topic Migrant population
Self-rated health
Family doctor contracted services
Health education
Health records
China migrant dynamic survey
url https://doi.org/10.1038/s41598-024-81068-9
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AT jiajinghu impactoffamilydoctorcontractedservicesonthehealthofmigrantsacrosssectionalstudyinchina