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Data Analysis and Knowledge Discovery  2022, Vol. 6 Issue (1): 80-90    DOI: 10.11925/infotech.2096-3467.2021.0812
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Modelling and Simulating Medical Crowdfunding with SEIR
Cao Guang1,Shen Lining1,2()
1School of Medicine and Health Management, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
2Hubei Center for Health Technology Evaluation and Research, Wuhan 430030, China
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[Objective] This paper tries to explore the dissemination mechanism and the equity issues of online medical crowdfunding. [Methods] First, we analyzed the diffusion process of medical crowdfunding. Then, we used the SEIR model to study the participants' characteristics and their decision-making behaviors. Finally, we developed the diffusion model of medical crowdfunding based on NetworkX and examined it with simulation experiments. [Results] We found that the node degree of the initiator, the appeal of the project, and the network structure affected the propagation speed and scope of the project. In the equity of financing, the node degree of the initiator, the appeal of the project, and individual wealth affected the amount of fundraising with correlation coefficients of 0.49, 0.47 and 0.63. We also found the “rich got richer” effects and the individual contribution did not reflect the “fixed ratio” way. [Limitations] The model considers few demographic characteristics, such as gender, age, occupational background, etc. [Conclusions] The proposed model could effectively simulate the diffusion process of medical crowdfunding projects on social media, which also explores their fundraising ability and the financing equity issues.

Key wordsInformation Dissemination Model      Medical Crowdfunding      Financing Level      Modeling and Simulation     
Received: 06 August 2021      Published: 22 February 2022
ZTFLH:  G350  
Fund:Fundamental Research Funds for the Central Universities, HUST(2019WKYXZX011)
Corresponding Authors: Shen Lining,ORCID:0000-0002-7311-8777     E-mail:

Cite this article:

Cao Guang, Shen Lining. Modelling and Simulating Medical Crowdfunding with SEIR. Data Analysis and Knowledge Discovery, 2022, 6(1): 80-90.

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Flow Chart of Research Design
平均捐助次数 平均转发次数 平均目标
平均捐助金额 捐助次数/转发次数
2 029.58 537.36 240 413.83 48 457.94 32.34 23.01
Data Sample Description
Forwarding Process of Medical Crowdfunding
参数 参数说明以及取值范围 数据来源
N 在线社交网络用户初始数量,设置为2 426 Hamsterster网络
f 疾病的平均治疗费用,设置为240 413 表1(平均目标金额)
w0 个体财富平均值,设置为27 540 2020年中国统计年鉴(人均可支配收入)
θ i 共情能力高低在人群中满足正态分布 θ v ~ N 0 , 1 随机设置
c0 项目感染力,取值为[0, 1] 随机设置
a 接收者与发起者关系和项目感染力占比,根据统计数据取值为[0, 0.5],初始值设为0.3 随机设置
β 捐助金额占个人总财富比例,根据统计数据设置为[0.001, 0.01],初始值设为0.005 随机设置
Parameters of Simulation Experiment
Spread Process of Medical Crowdfunding
Impact of Initiator Node Degree on the Spread Process of Medical Crowdfunding
Relationship Between the Number of Donors, the Proportion of Relatives and the Degree of Initiator
Impact of Medical Crowdfunding Spread with Different Initial Values
网络名称 节点个数 边数 节点
BA无标度网络 2 426 16 933 6.98 0.024 0 -0.034
WS小世界网络 2 426 16 982 7.00 0.094 3 -0.022
随机网络 2 426 16 850 6.94 0.005 9 -0.001
Hamasterster关系网络 2 426 16 630 6.85 0.537 5 0.047
Relevant Characteristic Parameters of Each Network
Degree Distribution of Each Network
Impact of Different Network on Spread of Medical Crowdfunding
Medical Crowdfunding Capacity of Different Projects
Distribution of Individual Wealth in the Network After Medical Crowdfunding
Relationship Between Individual Wealth and Financing Amount
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