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Impact of the family doctor system on the continuity of care for diabetics in urban China: a difference-in-difference analysis

OBJECTIVES: Our study aimed to examine whether the family doctor system can improve continuity of care for patients with diabetes. DESIGN: Registry-based, population-level longitudinal cohort study. SETTING: Linked data from the administrative Health Information System and the Health Insurance Claim...

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Detalles Bibliográficos
Autores principales: Liu, Xinyi, Zhang, Luying, Chen, Wen
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BMJ Publishing Group 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9943912/
https://www.ncbi.nlm.nih.gov/pubmed/36806066
http://dx.doi.org/10.1136/bmjopen-2022-065612
Descripción
Sumario:OBJECTIVES: Our study aimed to examine whether the family doctor system can improve continuity of care for patients with diabetes. DESIGN: Registry-based, population-level longitudinal cohort study. SETTING: Linked data from the administrative Health Information System and the Health Insurance Claim Databases in a sample city in eastern China. PARTICIPANTS: 30 451 insured patients who were diagnosed with diabetes before January 2015 in the sample city, with ≥2 outpatient visits per year during 2014–2017. Diabetics in the intervention group had been registered with family doctor teams from 2015 to 2017, while those who had not registered were taken as the control group. INTERVENTIONS: The family doctor system was established in China mainly to strengthen primary care and rebuild referral systems. Residents were encouraged to register with family doctors to obtain continuous health management especially for chronic disease management. OUTCOME MEASURES: Continuity of care was measured by the Continuity of Care Index (COCI), Usual Provider Continuity Score (UPCS) and Sequential Continuity of Care Index (SECON) in 2014–2017. RESULTS: COCI, UPCS and SECON of all diabetics in this study increased between 2014 and 2017. A difference-in-difference approach was applied to measure the net effect of the family doctor system on continuity of care. Our model controlled for demographic and socioeconomic characteristics, and severity of disease at baseline. Compared with the control group, diabetics registered with family doctors obtained an average 0.019 increase in COCI (SE 0.002) (p<0.01), a 0.016 increase in UPCS (SE 0.002) (p<0.01) and a 0.018 increase in SECON (SE 0.002) (p<0.01). CONCLUSION: This study provides evidence that the family doctor system can effectively improve continuity of care for patients with diabetes, which has substantial policy implications for further primary care reform in China.