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Effects of Health Insurance Interruption on Loss of Hypertension Control in Women With and Women Without HIV.

Effects of Health Insurance Interruption on Loss of Hypertension Control in Women With and Women Without HIV.
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Edmonds A, Ludema C, Eron JJ, Cole SR, Adedimeji AA, Cohen MH, Cooper HL, Fischl M, Johnson MO, Krause DD, Merenstein D, Milam J, Wilson TE, Adimora AA,


Edmonds A, Ludema C, Eron JJ, Cole SR, Adedimeji AA, Cohen MH, Cooper HL, Fischl M, Johnson MO, Krause DD, Merenstein D, Milam J, Wilson TE, Adimora AA, (click to view)

Edmonds A, Ludema C, Eron JJ, Cole SR, Adedimeji AA, Cohen MH, Cooper HL, Fischl M, Johnson MO, Krause DD, Merenstein D, Milam J, Wilson TE, Adimora AA,

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Journal of women’s health (2002) 2017 07 06() doi 10.1089/jwh.2016.6308

Abstract
BACKGROUND
Among low-income women with and without HIV, it is a priority to reduce age-related comorbidities, including hypertension and its sequelae. Because consistent health insurance access has been identified as an important factor in controlling many chronic diseases, we estimated the effects of coverage interruption on loss of hypertension control in a cohort of women in the United States.

METHODS
We analyzed prospective, longitudinal data from the Women’s Interagency HIV Study. HIV-infected and HIV-uninfected women were included between 2005 and 2014 when they reported health insurance at consecutive biannual visits and had controlled hypertension, and were followed for any insurance break and loss of hypertension control. We estimated hazard ratios (HRs) by Cox proportional hazards regression with inverse-probability-of-treatment-and censoring weights (marginal structural models), and plotted the cumulative incidence of hypertension control loss.

RESULTS
Among 890 HIV-infected women, the weighted HR for hypertension control loss comparing health insurance interruption to uninterrupted coverage was 1.37 (95% confidence interval [CI], 0.99-1.91). Inclusion of AIDS Drug Assistance Program (ADAP) participation with health insurance modestly increased the HR (1.47; 95% CI, 1.04-2.07). Analysis of 272 HIV-uninfected women yielded a similar HR (1.39; 95% CI, 0.88-2.21). Additionally, there were indications of uninterrupted coverage having a protective effect on hypertension when compared with the natural course in HIV-infected (HR, 0.82; 95% CI, 0.61-1.11) and HIV-uninfected (HR, 0.78; 95% CI, 0.52-1.19) women.

CONCLUSIONS
This study provides evidence that health insurance continuity promotes hypertension control in key populations. Interventions that ensure coverage stability and ADAP access should be a policy priority.

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