• Junnan Jiang, Shanquan Chen, Yanjiao Xin, Xuefeng Wang, Li Zeng, Zhengdong Zhong, and Li Xiang.
• a School of Medicine and Health Management , Huazhong University of Science and Technology , Wuhan , China.
• J Med Econ. 2019 May 1; 22 (5): 455-463.

BackgroundCritical illness insurance (CII) is one kind of health insurance that is gradually gaining attention worldwide. China implemented CII in 2012 to decrease patients' out-of-pocket (OOP) medical payments. The aims of this study were to determine if the project had positive impacts on relieving financial burden and improving health equity.MethodsA series of questionnaire surveys were undertaken in two counties before and after the intervention in rural China. OOP expenditure, catastrophic Health Expenditure (CHE) incidence, and associated average gap (AG) were assessed across different income groups and project durations, measuring short-term direct medical cost. Medical debt rate and amount were used to measure long-term financial burden; concentration index (CI) was calculated for equity. All data were evaluated by descriptive statistics and multi-variate variance analysis. The linear regression and logit regression with random effect analysis upon area was used to evaluate the effect of CII.ResultsSix hundred and thirteen and 834 patients were surveyed at baseline and final evaluation. After the program, the OOP payments of hospitalizations sharply decreased from RMB 39,363.2 to RMB 28,426.1 (p < 0.001), with the largest decrease for lowest income patients (from RMB 44,507.6 to RMB 29,214.2). With longer duration of CII, more OOP medical payments decreased. The amount of medical debt was decreased by RMB 7,209.4 among all the patients, and the decrease was highest in the highest income group (RMB 8,119.9). The CI of AG changed a lot (from -0.858 to -0.670).ConclusionThe CII has effectively reduced the financial burden of patients with high medical cost, whether in the short-term or a longer length of time. It also improved health equity in health service utilization and expenditure. However, rich householders still receive more benefits from the policy, government health insurance financing is increased, and the policy needs to further benefit the poor.

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