Abstract
Objective:
We evaluated the impact of Medicaid managed care (MMC) on health
service use and state costs among adults with early-acquired physical
disabilities.
Method: Using claims data, we tracked utilization
of the emergency department (ED), inpatient admissions, outpatient
physician visits, and state expenditures on enrollees who transitioned
to MMC (n = 881). The inverse propensity score weight and a
difference-in-differences regression model were used to estimate the
impact of MMC using their counterparts who remained in fee-for-service (n = 1,552) as the comparison group.
Results: MMC reduced ED use by 3.2% points/month (p
< .001). Relative to younger enrollees (age ⩽45 years), MMC reduced
inpatient admissions of older enrollees (age ⩾46 years) by 3.3%
points/month (p < .001), and state expenditures by US$839/month (p < .01).
Discussion:
MMC could reduce the hospital service use of and state spending on
enrollees with early-acquired physical disabilities. This impact may
vary depending on the enrollees’ age.
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