COVID-19 Vaccination Coverage and Factors Associated With Vaccine Uptake Among People With HIV

Author:

Hechter Rulin C.12,Qian Lei1,Liu In-Lu Amy1,Sy Lina S.1,Ryan Denison S.1,Xu Stanley1,Williams Joshua T. B.3,Klein Nicola P.4,Kaiser Robyn M.5,Liles Elizabeth G.6,Glanz Jason M.7,Jackson Lisa A.8,Sundaram Maria E.9,Weintraub Eric S.10,Tseng Hung Fu12

Affiliation:

1. Kaiser Permanente Southern California, Pasadena, California

2. Kaiser Permanente Bernard J. Tyson School of Medicine, Pasadena, California

3. Denver Health, Denver, Colorado

4. Kaiser Permanente Vaccine Study Center, Oakland, California

5. HealthPartners, Bloomington, Minnesota

6. Kaiser Permanente Center for Health Research, Portland, Oregon

7. Institute for Health Research, Kaiser Permanente, Denver, Colorado

8. Kaiser Permanente Washington Research Institute, Seattle

9. Marshfield Clinic Research Institute, Marshfield, Wisconsin

10. Centers for Disease Control and Prevention, Atlanta, Georgia

Abstract

ImportancePeople with HIV (PWH) may be at increased risk for severe outcomes with COVID-19 illness compared with people without HIV. Little is known about COVID-19 vaccination coverage and factors associated with primary series completion among PWH.ObjectivesTo evaluate COVID-19 vaccination coverage among PWH and examine sociodemographic, clinical, and community-level factors associated with completion of the primary series and an additional primary dose.Design, Setting, and ParticipantsThis retrospective cohort study used electronic health record data to assess COVID-19 vaccination information from December 14, 2020, through April 30, 2022, from 8 health care organizations of the Vaccine Safety Datalink project in the US. Participants were adults diagnosed with HIV on or before December 14, 2020, enrolled in a participating site.Main Outcomes and MeasuresThe percentage of PWH with at least 1 dose of COVID-19 vaccine and PWH who completed the COVID-19 vaccine primary series by December 31, 2021, and an additional primary dose by April 30, 2022. Rate ratios (RR) and 95% CIs were estimated using Poisson regression models for factors associated with completing the COVID-19 vaccine primary series and receiving an additional primary dose.ResultsAmong 22 058 adult PWH (mean [SD] age, 52.1 [13.3] years; 88.8% male), 90.5% completed the primary series by December 31, 2021. Among 18 374 eligible PWH who completed the primary series by August 12, 2021, 15 982 (87.0%) received an additional primary dose, and 4318 (23.5%) received a booster dose by April 30, 2022. Receipt of influenza vaccines in the last 2 years was associated with completion of the primary series (RR, 1.17; 95% CI, 1.15-1.20) and an additional primary dose (RR, 1.61; 95% CI, 1.54-1.69). PWH with uncontrolled viremia (HIV viral load ≥200 copies/mL) (eg, RR, 0.90 [95% CI, 0.85-0.95] for viral load 200-10 000 copies/mL vs undetected or <200 copies/mL for completing the primary series) and Medicaid insurance (eg, RR, 0.89 [95% CI, 0.87-0.90] for completing the primary series) were less likely to be fully vaccinated. By contrast, greater outpatient utilization (eg, RR, 1.07 [95% CI, 1.05-1.09] for ≥7 vs 0 visits for primary series completion) and residence in counties with higher COVID-19 vaccine coverage (eg, RR, 1.06 [95% CI, 1.03-1.08] for fourth vs first quartiles for primary series completion) were associated with primary series and additional dose completion (RRs ranging from 1.01 to 1.21).Conclusions and RelevanceFindings from this cohort study suggest that, while COVID-19 vaccination coverage was high among PWH, outreach efforts should focus on those who did not complete vaccine series and those who have uncontrolled viremia.

Publisher

American Medical Association (AMA)

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