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Health Plan Switching: A Case Study--Implications for Private- and Public-Health-Insurance Exchanges and Increased Health Plan Choice
EBRI Issue Brief #432
Paperback, 24 pp.
PDF, 1,304 kb
Employee Benefit Research Institute, 2017
This Issue Brief examines the experience of a particular large employer, and a subset of its employees, with respect to a recent increase in the number of health plans that employees could choose. In 2014, this employer offered employees a choice of four health plans--an HSA-eligible health plan, an EPO, a PPO, and an HMO--all with the same carrier. In 2015, it added six new health-plan choices--HSA-eligible plans, EPOs, and PPOs--from two additional carriers. As a result, employees saw their plan choices increase from four to 10.
This examination of the data produced the following findings:
- One-third of health plan participants enrolled in both 2014 and 2015 switched health plans between 2014 and 2015.
- Workers enrolled in the HSA-plan in 2014 were more likely to switch plans than other workers.
- One-half of HSA plan enrollees switched plans, compared with 27 percent among EPO enrollees, 24 percent among PPO enrollees, and 13 percent among HMO enrollees.
- While HSA plan enrollees were more likely to switch plans, those who did switch were most likely to switch to the same plan type with a different carrier.
- About 88 percent of HSA plan enrollees in 2014 who did switch plans for 2015 chose an HSA-plan with a different carrier.
- Sixty-three percent of EPO enrollees in 2014 who did switch plans for 2015 switched to an EPO with a different carrier, and 72 percent of PPO enrollees switched to a PPO with a different carrier.
- Because only one HMO was offered in 2014 and 2015, 100 percent of the HMO enrollees who switched chose a different plan type with a different carrier.
- Very few HSA-plan enrollees who switched plans switched to a different type of health plan.
- Among workers switching health plans, 5 percent of the HSA plan enrollees in 2014 who switched plans for 2015 changed to a PPO, EPO or HMO with the original carriers, and 7 percent changed both their plan type and carrier.
- EPO and PPO enrollees in 2014 who switched health plan types were more likely than HSA plan enrollees to switch carriers.
- Twenty-four percent of EPO enrollees and 21 percent of PPO enrollees in 2014 who switched plans for 2015 switched to a different type of health plan with a different carrier, while 13 percent of EPO enrollees and 7 percent of PPO enrollees switched to a different type of health plan with the same carrier. In attempting to explain plan switching, certain demographics and prior use of health care services appear to be predictors of plan switching, but health status is not a strong predictor.
For this employer, it appears that:
- Older workers were less likely to switch health plans than younger workers.
- Higher-income workers with employee-only coverage were more likely than lower-income workers to switch carriers. However, higher-income workers with family coverage were less likely than lower-income workers to switch carriers or switch plan type.
- The longer an employee was enrolled in his or her health plan, the less likely he or she was to switch plans.
- More actual use of office visits for both primary care physicians and specialists was linked to less plan switching.
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