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. 2023 Jul 8;23(1):737.
doi: 10.1186/s12913-023-09758-0.

Data envelopment analysis on the efficiency of vaccination services and its influencing factors in Beijing, China

Mingzheng Hu  1   2 , Yanshang Wang  1   2 , Ming Wang  1   2 , Dawei Zhu  2 , Wentao Li  2 , Rui Yu  3 , Jiang Wu  3 , Min Lv  4 , Ping He  5
Affiliations

Data envelopment analysis on the efficiency of vaccination services and its influencing factors in Beijing, China

Mingzheng Hu et al. BMC Health Serv Res. .

Abstract

Objectives: Vaccination is an important part of public health services. We aim to assess the efficiency of vaccination services in Beijing, the capital of China, and to further study the influencing factors of efficiency.

Methods: Using the immunization service data of Beijing, China in 2020, we firstly developed a data envelopment analysis (DEA) model to calculate the score of vaccination efficiency. Secondly, we used DEA model scenario simulations with different combinations of input-output factors to derive the magnitude of the effect of each input factor on the efficiency. Finally, combined with the data from the Beijing Regional Statistical Yearbook 2021, we developed the Tobit model to examine the effect of external social environmental factors on efficiency.

Results: The average scores of efficiency of POVs (Point of Vaccination) in different areas of Beijing vary greatly. Different input factors had different degrees of positive effects on the efficiency score. In addition, the number of populations served by POV was positively associated with efficiency, the GDP and financial allocation of the POVs' district was also positively associated with efficiency score, while the total dependency ratio of the POVs' district was negatively associated with efficiency score.

Conclusion: The efficiency of vaccination services varied considerably across POVs. Constrained by limited resources, efficiency scores can be increased by increasing input factors that have a larger impact on efficiency score and reducing those that have a smaller impact on efficiency. In addition, the social environment should be considered in allocating vaccination resources, and more resources should be invested in areas with low levels of economic development, low financial allocation, and high population.

Keywords: China; DEA; Efficiency; Influencing factors; Vaccination.

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Conflict of interest statement

The authors declare no competing interests.

Figures

Fig. 1
Fig. 1
The radar chart of average efficiency scores for each district in Beijing
See this image and copyright information in PMC

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