Early Impact of the Affordable Care Act on Health Insurance Coverage of Young Adults
Version of Record online: 27 AUG 2012
© Health Research and Educational Trust
Health Services Research
Volume 47, Issue 5, pages 1773–1790, October 2012
How to Cite
Cantor, J. C., Monheit, A. C., DeLia, D. and Lloyd, K. (2012), Early Impact of the Affordable Care Act on Health Insurance Coverage of Young Adults. Health Services Research, 47: 1773–1790. doi: 10.1111/j.1475-6773.2012.01458.x
- Issue online: 17 SEP 2012
- Version of Record online: 27 AUG 2012
- State Health Access Reform Evaluation Program of the Robert Wood Johnson
- Health care reform;
- health insurance regulation;
- health policy;
- health economics
To evaluate one of the first implemented provisions of the Patient Protection and Affordable Care Act (ACA), which permits young adults up to age 26 to enroll as dependents on a parent's private health plan. Nearly one-in-three young adults lacked coverage before the ACA.
Study Design, Methods, and Data
Data from the Current Population Survey 2005–2011 are used to estimate linear probability models within a difference-in-differences framework to estimate how the ACA affected coverage of eligible young adults compared to slightly older adults. Multivariate models control for individual characteristics, economic trends, and prior state-dependent coverage laws.
This ACA provision led to a rapid and substantial increase in the share of young adults with dependent coverage and a reduction in their uninsured rate in the early months of implementation. Models accounting for prior state dependent expansions suggest greater policy impact in 2010 among young adults who were also eligible under a state law.
Conclusions and Implications
ACA-dependent coverage expansion represents a rare public policy success in the effort to cover the uninsured. Still, this policy may have later unintended consequences for premiums for alternative forms of coverage and employer-offered rates for young adult workers.