SHADAC has created an enhanced time series to enable a harmonized view of health insurance coverage over time using the Current Population Survey Annual Social and Economic Supplement (CPS).  This was done to account for methodological changes to the CPS. This document provides a Frequently Asked Question format for understanding the estiamtes.  February 2010.

The applied enhancements are outlined in SHADAC's technical brief released in November 2009, available at this link.