ArticlePloS one2021
COVID-19 vaccine access and attitudes among people experiencing homelessness from pilot mobile phone survey in Los Angeles, CA.
Article in PloS one, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers, 4 of them syntheses that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
34 citing papers in PubMed, 4 syntheses or guidelines pooled it, 73 citations in OpenAlex.
- The association between populist-aligned views and engagement with public health interventions: a systematic review of longitudinal studies.BMC public health · 2026Pooled it
- Vaccine acceptance, determinants, and attitudes toward vaccine among people experiencing homelessness: a systematic review and meta-analysis.BMC infectious diseases · 2023Pooled it
- COVID-19 in the homeless population: a scoping review and meta-analysis examining differences in prevalence, presentation, vaccine hesitancy and government response in the first year of the pandemic.BMC infectious diseases · 2023Pooled it
- COVID-19 vaccine hesitancy: A Systematic review of cognitive determinants.Health promotion perspectives · 2023Pooled it
- Trial
- Systemwide Evaluation of Field Medicine Programs in Los Angeles County: Protocol for a Mixed Methods Longitudinal Observational Study.JMIR research protocols · 2026Observational
- Article
- Periodic Assessment of Trajectories of Housing, Homelessness, and Health Study (PATHS): Protocol for a Prospective Cohort Study of People Experiencing Homelessness.JMIR research protocols · 2025Article
- Covid-19 Vaccine Hesitancy and Under-Vaccination among Marginalized Populations in the United States and Canada: A Scoping Review.Journal of racial and ethnic health disparities · 2025Article
- A conceptual framework to model social determinants of COVID-19 vaccination uptake among underserved homeless populations.Vaccine: X · 2024Article
- Assessing the coverage and timeliness of coronavirus vaccination among people experiencing homelessness in Wales, UK: a population-level data-linkage study.BMC public health · 2023Article
- Assessment of a COVID-19 vaccination protocol for unhoused patients in the emergency department.Vaccine · 2023Article
- COVID-19 vaccine hesitancy worldwide and its associated factors: a systematic review and meta-analysis.Science in One Health · 2023Review
- Determinants of COVID-19 vaccine acceptance and access among people experiencing homelessness in Germany: A qualitative interview study.Frontiers in public health · 2023Article
- Article
- Race and Ethnicity and Sex Variation in COVID-19 Mortality Risks Among Adults Experiencing Homelessness in Los Angeles County, California.JAMA network open · 2022Article
- COVID-19 Vaccine Hesitancy among U.S. Veterans Experiencing Homelessness in Transitional Housing.International journal of environmental research and public health · 2022Article
- Engaging Same-Day Peer Ambassadors to Increase Coronavirus Disease 2019 Vaccination Among People Experiencing Unsheltered Homelessness in Los Angeles County: A Hybrid Feasibility-Evaluation Study.The Journal of infectious diseases · 2022Article
- The acceptance of COVID-19 vaccine at early stage of development and approval: A global systematic review and meta-analysis.Heliyon · 2022Article
- Exploring COVID-19 vaccine uptake, confidence and hesitancy among people experiencing homelessness in Toronto, Canada: protocol for theBMJ open · 2022Article
Corrections and comments
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Authors and funding
7 authors at 3 institutions in 1 country.
Funding
Abstract
People experiencing homelessness (PEH) are at high risk for COVID-19 complications and fatality, and have been prioritized for vaccination in many areas. Yet little is known about vaccine acceptance in this population. The objective of this study was to determine the level of vaccine hesitancy among PEH in Los Angeles, CA and to understand the covariates of hesitancy in relation to COVID-19 risk, threat perception, self-protection and information sources. A novel mobile survey platform was deployed to recruit PEH from a federally qualified health center (FQHC) in Los Angeles to participate in a monthly rapid response study of COVID-19 attitudes, behaviors, and risks. Of 90 PEH surveyed, 43 (48%) expressed some level of vaccine hesitancy based either on actual vaccine offers (17/90 = 19%) or a hypothetical offer (73/90 = 81%). In bivariate analysis, those with high COVID-19 threat perception were less likely to be vaccine hesitant (OR = 0.34, P = 0.03), while those who frequently practiced COVID-19 protective behaviors were more likely to be vaccine hesitant (OR = 2.21, P = 0.08). In a multivariate model, those with high threat perception (AOR = 0.25, P = 0.02) were less likely to be hesitant, while those engaging in COVID-19 protective behaviors were more hesitant (AOR = 3.63, P = 0.02). Those who trusted official sources were less hesitant (AOR = 0.37, P = 0.08) while those who trusted friends and family for COVID-19 information (AOR = 2.70, P = 0.07) were more likely to be hesitant. Findings suggest that targeted educational and social influence interventions are needed to address high levels of vaccine hesitancy among PEH.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.