Does Health Care Coinsurance Reduce Use of Care

Monthly Spending Average out-of-pocket spending on inpatient care drops sharply after January, though spending

Coinsurance vs. Copayments Coinsurance reduces use of inpatient care and specialist physician office visits

Slides: 3

Does Health Care Coinsurance Reduce Use of Care More Than Copayments? This report is copyrighted by the Employee Benefit Research Institute (EBRI). You may copy or print this report solely for personal and noncommercial use, provided that all hard copies retain any and all copyright and other applicable notices contained therein, and you may cite or quote small portions of the report provided that you do so verbatim and with proper citation. Any use beyond the scope of the foregoing requires EBRI’s prior express permission. For permissions, please contact EBRI at permissions@ebri. org. © Employee Benefit Research Institute 2021

Monthly Spending Average out-of-pocket spending on inpatient care drops sharply after January, though spending decreases in all categories. Because deductibles are often reached early in the year by high users of health care services, it can be argued that it is the expected end-of-year out-ofpocket costs that matter most when individuals are deciding whether to use a health care service even before they have reached their deductible. Average Out-of-Pocket Spending by Calendar Month Source: Paul Fronstin and M. Christopher Roebuck, “Managing Use of Health Care Services After People Satisfy Their Deductible: What Do Copayments and Coinsurance Do? , ” EBRI Issue Brief, no. 519 (November 19, 2020). © Employee Benefit Research Institute 2021

Coinsurance vs. Copayments Coinsurance reduces use of inpatient care and specialist physician office visits more than copayments. In contrast, copayments reduce use of primary care office visits more than coinsurance. For inpatient health care, each 1 percent increase in coinsurance led to a 0. 18 percent decrease in utilization. For specialty physician office visits, each 1 percent increase in coinsurance led to a 0. 19 percent decrease in utilization. Change in Use of Health Care Services Due to a 1 Percent Increase in Cost Sharing Source: Paul Fronstin and M. Christopher Roebuck, “Managing Use of Health Care Services After People Satisfy Their Deductible: What Do Copayments and Coinsurance Do? , ” EBRI Issue Brief, no. 519 (November 19, 2020). © Employee Benefit Research Institute 2021