JSM 2011 Online Program

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Abstract Details

Activity Number: 29
Type: Contributed
Date/Time: Sunday, July 31, 2011 : 2:00 PM to 3:50 PM
Sponsor: Section on Health Policy Statistics
Abstract - #301269
Title: Investigation of the Consequence of State Mandated Insurance Coverage for Autism
Author(s): David Ben Ellsworth*+
Companies: Thomson Reuters
Address: 1007 Church Street, Evanston, IL, 60201,
Keywords: Autism ; Data Mining ; Legislation ; Health Insurance
Abstract:

In 2009, 16 states have some form of mandate for private insurance plans to cover diagnostic and treatment procedures related to autism spectrum disorder (ASD). In order to investigate the impact of the legislation, cost and utilization measures were compared between these 16 states and 33 states (Hawaii excluded) without mandated coverage. Using Thomson Reuters' MarketScan claims database and related products, measures such as insurance premium impact, covered expense per ASD claimant, and ASD claimants per 10,000 covered lives (i.e. ASD rate) were constructed for each state for confirmed and unconfirmed ASD populations. A T-Test analysis yielded that the insurance premium impact for procedures related to ASD was significantly higher (p< =0.05) for the mandated coverage group. The confirmed ASD population covered expense per ASD claimant was significantly higher, while for the unconfirmed ASD population the ASD rate was significantly higher. A regression model created an equation to predict insurance premium impact based on ASD rates. A 1-way balanced ANOVA was used to examine four years of ASD rates for each population, which yielded significant increases.


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