Health care utilization and HIV clinical outcomes among newly enrolled patients following Affordable Care Act implementa
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RESEARCH ARTICLE
Open Access
Health care utilization and HIV clinical outcomes among newly enrolled patients following Affordable Care Act implementation in a California integrated health system: a longitudinal study Derek D. Satre1,2* , Sujaya Parthasarathy2, Michael J. Silverberg2, Michael Horberg3, Kelly C. Young-Wolff1,2, Emily C. Williams4,5, Paul Volberding6 and Cynthia I. Campbell1,2
Abstract Background: The Affordable Care Act (ACA) has increased insurance coverage for people with HIV (PWH) in the United States. To inform health policy, it is useful to investigate how enrollment through ACA Exchanges, deductible levels, and demographic factors are associated with health care utilization and HIV clinical outcomes among individuals newly enrolled in insurance coverage following implementation of the ACA. Methods: Among PWH newly enrolled in an integrated health care system (Kaiser Permanente Northern California) in 2014 (N = 880), we examined use of health care and modeled associations between enrollment mechanisms (enrolled in a Qualified Health Plan through the California Exchange vs. other sources), deductibles (none, $1–$999 and > = $1000), receipt of benefits from the California AIDS Drug Assistance Program (ADAP), demographic factors, and three-year patterns of health service utilization (primary care, psychiatry, substance treatment, emergency, inpatient) and HIV outcomes (CD4 counts; viral suppression at HIV RNA < 75 copies/mL). Results: Health care use was greatest immediately after enrollment and decreased over 3 years. Those with high deductibles were less likely to use primary care (OR = 0.64, 95% CI = 0.49–0.84, p < 0.01) or psychiatry OR = 0.59, 95% CI = 0.37, 0.94, p = 0.03) than those with no deductible. Enrollment via the Exchange was associated with fewer psychiatry visits (rate ratio [RR] = 0.40, 95% CI = 0.18–0.86; p = 0.02), but ADAP was associated with more psychiatry visits (RR = 2.22, 95% CI = 1.24–4.71; p = 0.01). Those with high deductibles were less likely to have viral suppression (OR = 0.65, 95% CI = 0.42–1.00; p = 0.05), but ADAP enrollment was associated with viral suppression (OR = 2.20, 95% CI = 1.32–3.66, p < 0.01). Black (OR = 0.35, 95% CI = 0.21–0.58, p < 0.01) and Hispanic (OR = 0.50, 95% CI = 0.29–0.85, p = 0.01) PWH were less likely to be virally suppressed. (Continued on next page)
* Correspondence: [email protected] 1 Department of Psychiatry and Behavioral Sciences, Weill Institute for Neurosciences, University of California, 401 Parnassus Avenue, San Francisco, CA 94143, USA 2 Division of Research, Kaiser Permanente Northern California, 2000 Broadway, 3rd Floor, Oakland, CA 94612, USA Full list of author information is available at the end of the article © The Author(s). 2020 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a li
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