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Medicaid Expansion, Health Insurance Coverage, and Cost Barriers to Care Among Low-Income Adults with Asthma: The Adult Asthma Call-Back Survey
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11 2021
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Source: J Asthma. 58(11):1478-1487
Details:
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Alternative Title:J Asthma
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Personal Author:
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Description:Objective:
To examine Medicaid expansion (ME) effects on health insurance coverage (HIC) and cost barriers to medical care among people with asthma.
Method:
We analyzed 2012–2013 and 2015–2016 data from low-income adults with current asthma aged 18–64 years in the Behavioral Risk Factor Surveillance System Asthma Call-Back Survey (state-level telephone survey). We calculated weighted percentages and 95% confidence intervals from ME and non-ME jurisdictions (according to 2014 ME status). Outcomes were HIC and cost barriers to buying asthma medication (MED), seeing a health care provider for asthma (HCP), or any asthma care (AAC). Using SUDAAN, we performed survey-weighted difference-in-differences analyses, adjusting for demographics. Subgroup analyses were stratified by demographics.
Results:
Our study population included 6445 participants from 25 states plus Puerto Rico. In 2015–2016 compared to 2012–2013, HIC was more common in ME jurisdictions (P<0.001) but unchanged in non-ME jurisdictions. Adjusted difference-in-differences analyses showed ME was associated with a statistically significant 13.36 percentage-point increase in HIC (standard error = 0.053). Cost barriers to MED, HCP, and AAC did not change significantly for either group in descriptive and difference-in-differences analyses. In subgroup analyses, we noted variation in outcomes by demographics and 2014 ME status.
Conclusions:
We found ME significantly affected HIC among low-income adults with asthma, but not cost barriers to asthma-related health care. Strategies to reduce cost barriers to asthma care could further improve health care access among low-income adults with asthma in ME jurisdictions.
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Pubmed ID:32730723
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Pubmed Central ID:PMC8842503
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