Impact of Massachusetts Health Reform on Enrollment Length and Health Care Utilization in the Unsubsidized Individual Market.

ABSTRACT:

Objective

To evaluate the impact of the 2006 Massachusetts health reform, the model for the Affordable Care Act, on short-term enrollment and utilization in the unsubsidized individual health insurance market.

Data source

Seven years of administrative and claims data from Harvard Pilgrim Health Care.

Research design

We employed pre-post survival analysis and an interrupted time series design to examine changes in enrollment length, utilization patterns, and use of elective procedures (discretionary inpatient surgeries and infertility treatment) among nonelderly adult enrollees before (n = 6,912) and after (n = 29,207) the MA reform.

Principal findings

The probability of short-term enrollment dropped immediately after the reform. Rates of inpatient encounters (H

SUBMITTER: Garabedian LF 

PROVIDER: S-EPMC5441510 | biostudies-literature | 2017 Jun

REPOSITORIES: biostudies-literature