Browsing by Author "Billioux, Veena G."

Now showing 1 - 2 of 2
  • Thumbnail Image
    Item
    HIV viral suppression and geospatial patterns of HIV antiretroviral therapy treatment facility use in Rakai, Uganda
    (AIDS (London, England), 2018) Billioux, Veena G.; Grabowski, Mary K.; Ssekasanvu, Joseph; Reynolds, Steven J.; Berman, Amanda; Bazaale, Jeremiah; Patel, Eshan U.; Bugos, Eva; Ndyanabo, Anthony; Kisakye, Alice; Kagaayi, Joseph; Gray, Ronald H.; Nakigozi, Gertrude; Ssekubugu, Robert; Nalugoda, Fred; Serwadda, David; Wawer, Maria J.; Chang, Larry W.
    To assess geospatial patterns of HIV antiretroviral therapy (ART) treatment facility use and whether they were impacted by viral load (VL) suppression. Methods—We extracted data on the location and type of care services utilized by HIV-positive persons accessing ART between February 2015 and September 2016 from the Rakai Community Cohort Study (RCCS) in Uganda. The distance from RCCS households to facilities offering ART was calculated using the open street map road network. Modified Poisson regression was used to identify predictors of distance traveled and, for those traveling beyond their nearest facility, the probability of accessing services from a tertiary care facility. Results—1554 HIV-positive participants were identified, of whom 68% had initiated ART. The median distance from households to the nearest ART facility was 3.10 km (Interquartile range, IQR, 1.65–5.05), but the median distance traveled was 5.26 km (IQR, 3.00–10.03, p<0.001) and 57% of individuals travelled further than their nearest facility for ART. Those with higher education and wealth were more likely to travel further. 93% of persons on ART were virally suppressed, and there was no difference in the distance traveled to an ART facility between those with suppressed and unsuppressed VLs (5.26 km vs. 5.27 km, p=0.650). Conclusions—Distance traveled to HIV clinics was increased with higher socioeconomic status, suggesting that wealthier individuals exercise greater choice. However, distance traveled did not vary by those who were or were not virally suppressed.
  • Thumbnail Image
    Item
    Human immunodeficiency virus care cascade among sub-populations in Rakai, Uganda: an observational study
    (Journal of the International AIDS Society, 2017) Billioux, Veena G.; Chang, Larry W.; Reynolds, Steven J.; Nakigozi, Gertrude; Ssekasanvu, Joseph; Grabowski, Mary K.; Ssekubugu, Robert; Nalugoda, Fred; Kigozi, Godfrey; Kagaayi, Joseph; Serwadda, David; Gray, Ronald H.; Wawer, Maria J.
    To assess progress towards the UNAIDS 90–90–90 initiative targets, we examined the HIV care cascade in the population-based Rakai Community Cohort Study (RCCS) in rural Uganda and examined differences between sub-groups. Methods: Self-reports and clinical records were used to assess the proportion achieving each stage in the cascade. Statistical inference based on a 2 test for categorical variables and modified Poisson regression were used to estimate prevalence risk ratios (PRRs) and 95% confidence intervals (CI) for enrolment into care and initiating antiretroviral therapy (ART). Results: From September 2013 through December 2015, 3,666 HIV-positive participants were identified in the RCCS. As of December 2015, 98% had received HIV Counseling and Testing (HCT), 74% were enrolled in HIV care, and 63% had initiated ART of whom 92% were virally suppressed after 12 months on ART. Engagement in care was lower among men than women (enrolment in care: adjPRR 0.84, 95% CI 0.77–0.91; ART initiation: adjPRR 0.75, 95% CI 0.69–0.82), persons aged 15–24 compared to those aged 30–39 (enrolment: adjPRR 0.72, 95% CI 0.63–0.82; ART: adjPRR 0.69, 95%CI 0.60–0.80), unmarried persons (enrolment: adjPRR 0.84, 95% CI 0.71–0.99; ART adjPRR 0.80, 95% CI 0.66–0.95), and new in-migrants (enrolment: adjPRR 0.75, 95% CI 0.67–0.83; ART: adjPRR 0.76, 95% CI 0.67–0.85). This cohort achieved 98–65–92 towards the UNAIDS “90–90–90” targets with an estimated 58% of the entire HIV-positive RCCS population virally suppressed. Conclusions: This cohort achieved over 90% in both HCT and viral suppression among ART users, but only 65% in initiating ART, likely due to both an ART eligibility criterion of <500 CD4 cells/mL and suboptimal entry into care among men, younger individuals, and in-migrants. Interventions are needed to promote enrolment in HIV care, particular for hard-to-reach subpopulations.