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Health Serv Res. 2009 Oct;44(5 Pt 1):1504-20. doi: 10.1111/j.1475-6773.2009.01005.x. Epub 2009 Jul 27.

Differential effect of the state children's health insurance program expansions by children's age.

Author information

1
U.S. Department of Treasury, Washington, DC 20220, USA. Ithai.lurie@do.treas.gov

Abstract

RESEARCH OBJECTIVE:

This paper tests for differences in the effect of State Children's Health Insurance Program (SCHIP) on children's insurance coverage and physician visits across three age groups: pre-elementary school-aged children (pre-ESA), ESA children, and post-ESA children.

DATA SOURCE:

The study uses two cross sections of the Survey of Income and Program Participation (SIPP) from the 1996 and 2001 panels.

STUDY DESIGN:

A difference-in-differences approach is used to estimate the effect of SCHIP on coverage and physician visits of newly eligible children of different age groups.

DATA COLLECTION:

Demographic, insurance, and physician visit information for children in families with income below 300 percent of federal poverty line were extracted from the SIPP.

PRINCIPAL FINDINGS:

Uninsurance rates for post-ESA children declined due to SCHIP while public coverage and the likelihood of visiting a physician increased. Estimates of cross-age differences show that post-ESA children experienced a larger decline in uninsurance rates compared with pre-ESA and ESA children and a larger increase in physician visits compared with ESA children.

CONCLUSIONS:

The higher rate of physician visits for post-ESA children due to SCHIP demonstrates the importance of extending insurance coverage to teens as well as young children.

PMID:
19656227
PMCID:
PMC2754545
DOI:
10.1111/j.1475-6773.2009.01005.x
[Indexed for MEDLINE]
Free PMC Article
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