Association of socioeconomic status with financial burden of disease among elderly patients with cardiovascular disease: evidence from the China Health and Retirement Longitudinal Survey

Abstract

ObjectivesThe prevalence of cardiovascular diseases (CVD) within low-income and middle-income countries has reached epidemic proportions. However, the association between out-of-pocket (OOP) payment and socioeconomic status (SES) of patients with CVD is not well studied. We aimed to understand the financial burden among Chinese middle-aged and older patients with CVD, and whether there was an association with SES.SettingsA nationally representative survey—The China Health and Retirement Longitudinal Survey (CHARLS)—was conducted in 28 provinces of mainland China in 2011 and 2013.ParticipantsOf the over 18 000 CHARLS respondents, eligible participants were those aged 45 years and over who had been previously diagnosed with CVD.Outcome measuresFinancial burden was measured by individual OOP payment and household catastrophic health expenditure (CHE) occurrence (ie, the annual household health expenditure was 40% or more of the total non-food household expenditure). Multilevel regression models were used to explore the association between financial burden and SES.ResultsAmong CHARLS respondents, CVD prevalence increased from 14.7% in 2011 to 16.6% in 2013. Average annual CVD OOP payment increased from 5000 RMB (770 USD) to 6120 RMB (970 USD). Furthermore, CHE occurrence increased from 44.2% to 48.1%. Patients spent almost twice on outpatient as on inpatient services. Two of the three SES indicators (total household expenditure, occupation type) were found to be associated with CVD OOP payment amount, and the likelihood of CHE. Unemployed patients had a higher likelihood of CHE compared with agricultural workers. Rural-urban difference was associated with the likelihood of CHE in 2011 alone.ConclusionThe Chinese health system should use this health expenditure pattern among patients with CVD to create more equitable health insurance schemes that financially balance between outpatient and inpatient care, and provide better financial risk protection to patients with low SES.

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