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Romanchuk K, Linthwaite B, Cox J, Park H, Dussault C, Basta NE, Varsaneux O, Worthington J, Lebouché B, MacDonald SE, Ismail SJ, Kronfli N. Determinants of SARS-CoV-2 vaccine willingness among people incarcerated in 3 Canadian federal prisons: a cross-sectional study. CMAJ Open 2022; 10:E922-E929. [PMID: 36280247 PMCID: PMC9640165 DOI: 10.9778/cmajo.20210248] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
BACKGROUND Maximizing uptake of SARS-CoV-2 vaccines among people in prison is essential in mitigating future outbreaks. We aimed to determine factors associated with willingness to receive SARS-CoV-2 vaccination before vaccine availability. METHODS We chose 3 Canadian federal prisons based on their low uptake of influenza vaccines in 2019-2020. Participants completed a self-administered questionnaire on knowledge, attitude and beliefs toward vaccines. The primary outcome was participant willingness to receive a SARS-CoV-2 vaccine, measured using a 5-point Likert scale to the question, "If a safe and effective COVID-19 vaccine becomes available in prison, how likely are you to get vaccinated?" We calculated the association of independent variables (age, ethnicity, chronic health conditions, 2019-2020 influenza vaccine uptake and prison security level), identified a priori, with vaccine willingness using logistic regression and crude and adjusted odds ratios (ORs) with 95% confidence intervals (CIs). RESULTS We recruited 240 participants from Mar. 31 to Apr. 19, 2021 (median age 46 years; 19.2% female, 25.8% Indigenous). Of these, 178 (74.2%) were very willing to receive a SARS-CoV-2 vaccine. Participants who received the 2019-2020 influenza vaccine (adjusted OR 5.20, 95% CI 2.43-12.00) had higher odds of vaccine willingness than those who did not; those who self-identified as Indigenous (adjusted OR 0.27, 95% CI 0.11-0.60) and in medium- or maximum-security prisons (adjusted OR 0.36, 95% CI 0.12-0.92) had lower odds of vaccine willingness than those who identified as white or those in minimum-security prisons, respectively. INTERPRETATION Most participants were very willing to receive vaccination against SARS-CoV-2 before vaccine roll-out. Vaccine promotion campaigns should target groups with low vaccine willingness (i.e., those who have declined influenza vaccine, identify as Indigenous or reside in high-security prisons).
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Affiliation(s)
- Kathryn Romanchuk
- Centre for Outcomes Research and Evaluation (Romanchuk, Linthwaite, Cox, Park, Dussault, Lebouché, Kronfli), Research Institute of the McGill University Health Centre; Department of Epidemiology, Biostatistics and Occupational Health (Cox, Basta, Kronfli), School of Population and Global Health, McGill University; Department of Medicine (Cox, Lebouché, Kronfli), Division of Infectious Diseases and Chronic Viral Illness Service, McGill University Health Centre, Montréal, Que.; Correctional Service Canada (Varsaneux, Worthington), Ottawa, Ont.; Department of Family Medicine (Lebouché), McGill University, Montréal, Que.; Faculty of Nursing (MacDonald), University of Alberta; School of Public Health (MacDonald), University of Alberta, Edmonton, Alta.; Division of Immunization Programs and Pandemic Preparedness (Ismail), Centre for Immunization and Respiratory Infectious Diseases, Public Health Agency of Canada and Metro City Medical Clinic, Ottawa, Ont
| | - Blake Linthwaite
- Centre for Outcomes Research and Evaluation (Romanchuk, Linthwaite, Cox, Park, Dussault, Lebouché, Kronfli), Research Institute of the McGill University Health Centre; Department of Epidemiology, Biostatistics and Occupational Health (Cox, Basta, Kronfli), School of Population and Global Health, McGill University; Department of Medicine (Cox, Lebouché, Kronfli), Division of Infectious Diseases and Chronic Viral Illness Service, McGill University Health Centre, Montréal, Que.; Correctional Service Canada (Varsaneux, Worthington), Ottawa, Ont.; Department of Family Medicine (Lebouché), McGill University, Montréal, Que.; Faculty of Nursing (MacDonald), University of Alberta; School of Public Health (MacDonald), University of Alberta, Edmonton, Alta.; Division of Immunization Programs and Pandemic Preparedness (Ismail), Centre for Immunization and Respiratory Infectious Diseases, Public Health Agency of Canada and Metro City Medical Clinic, Ottawa, Ont
| | - Joseph Cox
- Centre for Outcomes Research and Evaluation (Romanchuk, Linthwaite, Cox, Park, Dussault, Lebouché, Kronfli), Research Institute of the McGill University Health Centre; Department of Epidemiology, Biostatistics and Occupational Health (Cox, Basta, Kronfli), School of Population and Global Health, McGill University; Department of Medicine (Cox, Lebouché, Kronfli), Division of Infectious Diseases and Chronic Viral Illness Service, McGill University Health Centre, Montréal, Que.; Correctional Service Canada (Varsaneux, Worthington), Ottawa, Ont.; Department of Family Medicine (Lebouché), McGill University, Montréal, Que.; Faculty of Nursing (MacDonald), University of Alberta; School of Public Health (MacDonald), University of Alberta, Edmonton, Alta.; Division of Immunization Programs and Pandemic Preparedness (Ismail), Centre for Immunization and Respiratory Infectious Diseases, Public Health Agency of Canada and Metro City Medical Clinic, Ottawa, Ont
| | - Hyejin Park
- Centre for Outcomes Research and Evaluation (Romanchuk, Linthwaite, Cox, Park, Dussault, Lebouché, Kronfli), Research Institute of the McGill University Health Centre; Department of Epidemiology, Biostatistics and Occupational Health (Cox, Basta, Kronfli), School of Population and Global Health, McGill University; Department of Medicine (Cox, Lebouché, Kronfli), Division of Infectious Diseases and Chronic Viral Illness Service, McGill University Health Centre, Montréal, Que.; Correctional Service Canada (Varsaneux, Worthington), Ottawa, Ont.; Department of Family Medicine (Lebouché), McGill University, Montréal, Que.; Faculty of Nursing (MacDonald), University of Alberta; School of Public Health (MacDonald), University of Alberta, Edmonton, Alta.; Division of Immunization Programs and Pandemic Preparedness (Ismail), Centre for Immunization and Respiratory Infectious Diseases, Public Health Agency of Canada and Metro City Medical Clinic, Ottawa, Ont
| | - Camille Dussault
- Centre for Outcomes Research and Evaluation (Romanchuk, Linthwaite, Cox, Park, Dussault, Lebouché, Kronfli), Research Institute of the McGill University Health Centre; Department of Epidemiology, Biostatistics and Occupational Health (Cox, Basta, Kronfli), School of Population and Global Health, McGill University; Department of Medicine (Cox, Lebouché, Kronfli), Division of Infectious Diseases and Chronic Viral Illness Service, McGill University Health Centre, Montréal, Que.; Correctional Service Canada (Varsaneux, Worthington), Ottawa, Ont.; Department of Family Medicine (Lebouché), McGill University, Montréal, Que.; Faculty of Nursing (MacDonald), University of Alberta; School of Public Health (MacDonald), University of Alberta, Edmonton, Alta.; Division of Immunization Programs and Pandemic Preparedness (Ismail), Centre for Immunization and Respiratory Infectious Diseases, Public Health Agency of Canada and Metro City Medical Clinic, Ottawa, Ont
| | - Nicole E Basta
- Centre for Outcomes Research and Evaluation (Romanchuk, Linthwaite, Cox, Park, Dussault, Lebouché, Kronfli), Research Institute of the McGill University Health Centre; Department of Epidemiology, Biostatistics and Occupational Health (Cox, Basta, Kronfli), School of Population and Global Health, McGill University; Department of Medicine (Cox, Lebouché, Kronfli), Division of Infectious Diseases and Chronic Viral Illness Service, McGill University Health Centre, Montréal, Que.; Correctional Service Canada (Varsaneux, Worthington), Ottawa, Ont.; Department of Family Medicine (Lebouché), McGill University, Montréal, Que.; Faculty of Nursing (MacDonald), University of Alberta; School of Public Health (MacDonald), University of Alberta, Edmonton, Alta.; Division of Immunization Programs and Pandemic Preparedness (Ismail), Centre for Immunization and Respiratory Infectious Diseases, Public Health Agency of Canada and Metro City Medical Clinic, Ottawa, Ont
| | - Olivia Varsaneux
- Centre for Outcomes Research and Evaluation (Romanchuk, Linthwaite, Cox, Park, Dussault, Lebouché, Kronfli), Research Institute of the McGill University Health Centre; Department of Epidemiology, Biostatistics and Occupational Health (Cox, Basta, Kronfli), School of Population and Global Health, McGill University; Department of Medicine (Cox, Lebouché, Kronfli), Division of Infectious Diseases and Chronic Viral Illness Service, McGill University Health Centre, Montréal, Que.; Correctional Service Canada (Varsaneux, Worthington), Ottawa, Ont.; Department of Family Medicine (Lebouché), McGill University, Montréal, Que.; Faculty of Nursing (MacDonald), University of Alberta; School of Public Health (MacDonald), University of Alberta, Edmonton, Alta.; Division of Immunization Programs and Pandemic Preparedness (Ismail), Centre for Immunization and Respiratory Infectious Diseases, Public Health Agency of Canada and Metro City Medical Clinic, Ottawa, Ont
| | - James Worthington
- Centre for Outcomes Research and Evaluation (Romanchuk, Linthwaite, Cox, Park, Dussault, Lebouché, Kronfli), Research Institute of the McGill University Health Centre; Department of Epidemiology, Biostatistics and Occupational Health (Cox, Basta, Kronfli), School of Population and Global Health, McGill University; Department of Medicine (Cox, Lebouché, Kronfli), Division of Infectious Diseases and Chronic Viral Illness Service, McGill University Health Centre, Montréal, Que.; Correctional Service Canada (Varsaneux, Worthington), Ottawa, Ont.; Department of Family Medicine (Lebouché), McGill University, Montréal, Que.; Faculty of Nursing (MacDonald), University of Alberta; School of Public Health (MacDonald), University of Alberta, Edmonton, Alta.; Division of Immunization Programs and Pandemic Preparedness (Ismail), Centre for Immunization and Respiratory Infectious Diseases, Public Health Agency of Canada and Metro City Medical Clinic, Ottawa, Ont
| | - Bertrand Lebouché
- Centre for Outcomes Research and Evaluation (Romanchuk, Linthwaite, Cox, Park, Dussault, Lebouché, Kronfli), Research Institute of the McGill University Health Centre; Department of Epidemiology, Biostatistics and Occupational Health (Cox, Basta, Kronfli), School of Population and Global Health, McGill University; Department of Medicine (Cox, Lebouché, Kronfli), Division of Infectious Diseases and Chronic Viral Illness Service, McGill University Health Centre, Montréal, Que.; Correctional Service Canada (Varsaneux, Worthington), Ottawa, Ont.; Department of Family Medicine (Lebouché), McGill University, Montréal, Que.; Faculty of Nursing (MacDonald), University of Alberta; School of Public Health (MacDonald), University of Alberta, Edmonton, Alta.; Division of Immunization Programs and Pandemic Preparedness (Ismail), Centre for Immunization and Respiratory Infectious Diseases, Public Health Agency of Canada and Metro City Medical Clinic, Ottawa, Ont
| | - Shannon E MacDonald
- Centre for Outcomes Research and Evaluation (Romanchuk, Linthwaite, Cox, Park, Dussault, Lebouché, Kronfli), Research Institute of the McGill University Health Centre; Department of Epidemiology, Biostatistics and Occupational Health (Cox, Basta, Kronfli), School of Population and Global Health, McGill University; Department of Medicine (Cox, Lebouché, Kronfli), Division of Infectious Diseases and Chronic Viral Illness Service, McGill University Health Centre, Montréal, Que.; Correctional Service Canada (Varsaneux, Worthington), Ottawa, Ont.; Department of Family Medicine (Lebouché), McGill University, Montréal, Que.; Faculty of Nursing (MacDonald), University of Alberta; School of Public Health (MacDonald), University of Alberta, Edmonton, Alta.; Division of Immunization Programs and Pandemic Preparedness (Ismail), Centre for Immunization and Respiratory Infectious Diseases, Public Health Agency of Canada and Metro City Medical Clinic, Ottawa, Ont
| | - Shainoor J Ismail
- Centre for Outcomes Research and Evaluation (Romanchuk, Linthwaite, Cox, Park, Dussault, Lebouché, Kronfli), Research Institute of the McGill University Health Centre; Department of Epidemiology, Biostatistics and Occupational Health (Cox, Basta, Kronfli), School of Population and Global Health, McGill University; Department of Medicine (Cox, Lebouché, Kronfli), Division of Infectious Diseases and Chronic Viral Illness Service, McGill University Health Centre, Montréal, Que.; Correctional Service Canada (Varsaneux, Worthington), Ottawa, Ont.; Department of Family Medicine (Lebouché), McGill University, Montréal, Que.; Faculty of Nursing (MacDonald), University of Alberta; School of Public Health (MacDonald), University of Alberta, Edmonton, Alta.; Division of Immunization Programs and Pandemic Preparedness (Ismail), Centre for Immunization and Respiratory Infectious Diseases, Public Health Agency of Canada and Metro City Medical Clinic, Ottawa, Ont
| | - Nadine Kronfli
- Centre for Outcomes Research and Evaluation (Romanchuk, Linthwaite, Cox, Park, Dussault, Lebouché, Kronfli), Research Institute of the McGill University Health Centre; Department of Epidemiology, Biostatistics and Occupational Health (Cox, Basta, Kronfli), School of Population and Global Health, McGill University; Department of Medicine (Cox, Lebouché, Kronfli), Division of Infectious Diseases and Chronic Viral Illness Service, McGill University Health Centre, Montréal, Que.; Correctional Service Canada (Varsaneux, Worthington), Ottawa, Ont.; Department of Family Medicine (Lebouché), McGill University, Montréal, Que.; Faculty of Nursing (MacDonald), University of Alberta; School of Public Health (MacDonald), University of Alberta, Edmonton, Alta.; Division of Immunization Programs and Pandemic Preparedness (Ismail), Centre for Immunization and Respiratory Infectious Diseases, Public Health Agency of Canada and Metro City Medical Clinic, Ottawa, Ont.
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Lessard D, Ortiz-Paredes D, Park H, Varsaneux O, Worthington J, Basta NE, MacDonald SE, Lebouché B, Cox J, Ismail SJ, Kronfli N. Barriers and facilitators to COVID-19 vaccine acceptability among people incarcerated in Canadian federal prisons: A qualitative study. Vaccine X 2022; 10:100150. [PMID: 35243324 PMCID: PMC8883835 DOI: 10.1016/j.jvacx.2022.100150] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2021] [Revised: 01/24/2022] [Accepted: 02/16/2022] [Indexed: 12/16/2022] Open
Abstract
INTRODUCTION Canadian correctional institutions have been prioritized for COVID-19 vaccination given the multiple outbreaks that have occurred since the start of the pandemic. Given historically low vaccine uptake, we aimed to explore barriers and facilitators to COVID-19 vaccination acceptability among people incarcerated in federal prisons. METHODS Three federal prisons in Quebec, Ontario, and British Columbia (Canada) were chosen based on previously low influenza vaccine uptake among those incarcerated. Using a qualitative design, semi-structured interviews were conducted with a diverse sample (gender, age, and ethnicity) of incarcerated people. An inductive-deductive analysis of audio-recorded interview transcripts was conducted to identify and categorize barriers and facilitators within the Theoretical Domains Framework (TDF). RESULTS From March 22-29, 2021, a total of 15 participants (n = 5 per site; n = 5 women; median age = 43 years) were interviewed, including five First Nations people and six people from other minority groups. Eleven (73%) expressed a desire to receive a COVID-19 vaccine, including two who previously refused influenza vaccination. We identified five thematic barriers across three TDF domains: social influences (receiving strict recommendations, believing in conspiracies to harm), beliefs about consequences (believing that infection control measures will not be fully lifted, concerns with vaccine-related side effects), and knowledge (lack of vaccine-specific information), and eight thematic facilitators across five TDF domains: environmental context and resources (perceiving correctional employees as sources of outbreaks, perceiving challenges to prevention measures), social influences (receiving recommendations from trusted individuals), beliefs about consequences (seeking individual and collective protection, believing in a collective "return to normal", believing in individual privileges), knowledge (reassurance about vaccine outcomes), and emotions (having experienced COVID-19-related stress). CONCLUSIONS Lack of information and misinformation were important barriers to COVID-19 vaccine acceptability among people incarcerated in Canadian federal prisons. This suggests that educational interventions, delivered by trusted health care providers, may improve COVID-19 vaccine uptake going forward.
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Affiliation(s)
- David Lessard
- Centre for Outcomes Research and Evaluation, Research Institute of the McGill University Health Centre, Canada.,Canadian Institutes of Health Research Strategy for Patient-Oriented Research Mentorship Chair in Innovative Clinical Trial in HIV, Research Institute of the McGill University Health Centre, Canada
| | - David Ortiz-Paredes
- Centre for Outcomes Research and Evaluation, Research Institute of the McGill University Health Centre, Canada
| | - Hyejin Park
- Centre for Outcomes Research and Evaluation, Research Institute of the McGill University Health Centre, Canada
| | | | | | - Nicole E Basta
- Department of Epidemiology, Biostatistics and Occupational Health, School of Population and Global Health, McGill University, Canada
| | - Shannon E MacDonald
- Faculty of Nursing, University of Alberta, Canada.,School of Public Health, University of Alberta, Canada
| | - Bertrand Lebouché
- Centre for Outcomes Research and Evaluation, Research Institute of the McGill University Health Centre, Canada.,Canadian Institutes of Health Research Strategy for Patient-Oriented Research Mentorship Chair in Innovative Clinical Trial in HIV, Research Institute of the McGill University Health Centre, Canada.,Department of Family Medicine, McGill University, Canada.,Department of Medicine, Division of Infectious Diseases and Chronic Viral Illness Service, McGill University Health Centre, Canada
| | - Joseph Cox
- Centre for Outcomes Research and Evaluation, Research Institute of the McGill University Health Centre, Canada.,Department of Epidemiology, Biostatistics and Occupational Health, School of Population and Global Health, McGill University, Canada.,Department of Medicine, Division of Infectious Diseases and Chronic Viral Illness Service, McGill University Health Centre, Canada
| | - Shainoor J Ismail
- Division of Immunization Programs and Pandemic Preparedness, Centre for Immunization and Respiratory Infectious Diseases, Public Health Agency of Canada and Metro City Medical Clinic, Canada
| | - Nadine Kronfli
- Centre for Outcomes Research and Evaluation, Research Institute of the McGill University Health Centre, Canada.,Department of Epidemiology, Biostatistics and Occupational Health, School of Population and Global Health, McGill University, Canada.,Department of Medicine, Division of Infectious Diseases and Chronic Viral Illness Service, McGill University Health Centre, Canada
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Ortiz-Paredes D, Varsaneux O, Worthington J, Park H, MacDonald SE, Basta NE, Lebouché B, Cox J, Ismail SJ, Kronfli N. Reasons for COVID-19 vaccine refusal among people incarcerated in Canadian federal prisons. PLoS One 2022; 17:e0264145. [PMID: 35263350 PMCID: PMC8906611 DOI: 10.1371/journal.pone.0264145] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 02/03/2022] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Vaccine uptake rates have been historically low in correctional settings. To better understand vaccine hesitancy in these high-risk settings, we explored reasons for COVID-19 vaccine refusal among people in federal prisons. METHODS Three maximum security all-male federal prisons in British Columbia, Alberta, and Ontario (Canada) were chosen, representing prisons with the highest proportions of COVID-19 vaccine refusal. Using a qualitative descriptive design and purposive sampling, individual semi-structured interviews were conducted with incarcerated people who had previously refused at least one COVID-19 vaccine until data saturation was achieved. An inductive-deductive thematic analysis of audio-recorded interview transcripts was conducted using the Conceptual Model of Vaccine Hesitancy. RESULTS Between May 19-July 8, 2021, 14 participants were interviewed (median age: 30 years; n = 7 Indigenous, n = 4 visible minority, n = 3 White). Individual-, interpersonal-, and system-level factors were identified. Three were particularly relevant to the correctional setting: 1) Risk perception: participants perceived that they were at lower risk of COVID-19 due to restricted visits and interactions; 2) Health care services in prison: participants reported feeling "punished" and stigmatized due to strict COVID-19 restrictions, and failed to identify personal benefits of vaccination due to the lack of incentives; 3) Universal distrust: participants expressed distrust in prison employees, including health care providers. INTERPRETATION Reasons for vaccine refusal among people in prison are multifaceted. Educational interventions could seek to address COVID-19 risk misconceptions in prison settings. However, impact may be limited if trust is not fostered and if incentives are not considered in vaccine promotion.
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Affiliation(s)
- David Ortiz-Paredes
- Centre for Outcomes Research and Evaluation, Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada
| | | | | | - Hyejin Park
- Centre for Outcomes Research and Evaluation, Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada
| | - Shannon E. MacDonald
- Faculty of Nursing, University of Alberta, Edmonton, Alberta, Canada
- School of Public Health, University of Alberta, Edmonton, Alberta, Canada
| | - Nicole E. Basta
- Department of Epidemiology, Biostatistics and Occupational Health, School of Population and Global Health, McGill University, Montreal, Quebec, Canada
| | - Bertrand Lebouché
- Centre for Outcomes Research and Evaluation, Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada
- Department of Family Medicine, Faculty of Medicine and Health Sciences, McGill University, Montreal, Quebec, Canada
- Division of Infectious Diseases and Chronic Viral Illness Service, Department of Medicine, McGill University Health Centre, Montreal, Quebec, Canada
| | - Joseph Cox
- Centre for Outcomes Research and Evaluation, Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada
- Department of Epidemiology, Biostatistics and Occupational Health, School of Population and Global Health, McGill University, Montreal, Quebec, Canada
- Division of Infectious Diseases and Chronic Viral Illness Service, Department of Medicine, McGill University Health Centre, Montreal, Quebec, Canada
| | - Shainoor J. Ismail
- Division of Immunization Programs and Pandemic Preparedness, Centre for Immunization and Respiratory Infectious Diseases, Public Health Agency of Canada, Ottawa, Ontario, Canada
- Metro City Medical Clinic, Edmonton, Alberta, Canada
| | - Nadine Kronfli
- Centre for Outcomes Research and Evaluation, Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada
- Department of Epidemiology, Biostatistics and Occupational Health, School of Population and Global Health, McGill University, Montreal, Quebec, Canada
- Division of Infectious Diseases and Chronic Viral Illness Service, Department of Medicine, McGill University Health Centre, Montreal, Quebec, Canada
- * E-mail:
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Kronfli N, Dussault C, Maheu-Giroux M, Halavrezos A, Chalifoux S, Sherman J, Park H, Del Balso L, Cheng MP, Poulin S, Cox J. Seroprevalence and risk factors for SARS-CoV-2 among incarcerated adult men in Quebec, Canada (2021). Clin Infect Dis 2022; 75:e165-e173. [PMID: 35037053 PMCID: PMC8807295 DOI: 10.1093/cid/ciac031] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Indexed: 12/21/2022] Open
Abstract
Background People in prison are at increased risk of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. We examined the seroprevalence of SARS-CoV-2 and associated carceral risk factors among incarcerated adult men in Quebec, Canada. Methods We conducted a cross-sectional seroprevalence study in 2021 across 3 provincial prisons, representing 45% of Quebec’s incarcerated male provincial population. The primary outcome was SARS-CoV-2 antibody seropositivity (Roche Elecsys serology test). Participants completed self-administered questionnaires on sociodemographic, clinical, and carceral characteristics. The association of carceral variables with SARS-CoV-2 seropositivity was examined using Poisson regression models with robust standard errors. Crude and adjusted prevalence ratios (aPR) with 95% confidence intervals (95% CIs) were calculated. Results Between 19 January 2021 and 15 September 2021, 246 of 1100 (22%) recruited individuals tested positive across 3 prisons (range, 15%–27%). Seropositivity increased with time spent in prison since March 2020 (aPR, 2.17; 95% CI, 1.53–3.07 for “all” vs “little time”), employment during incarceration (aPR, 1.64; 95% CI, 1.28–2.11 vs not), shared meal consumption during incarceration (“with cellmates”: aPR, 1.46; 95% CI, 1.08–1.97 vs “alone”; “with sector”: aPR, 1.34; 95% CI, 1.03–1.74 vs “alone”), and incarceration post-prison outbreak (aPR, 2.32; 95% CI, 1.69–3.18 vs “pre-outbreak”). Conclusions The seroprevalence of SARS-CoV-2 among incarcerated individuals was high and varied among prisons. Several carceral factors were associated with seropositivity, underscoring the importance of decarceration and occupational safety measures, individual meal consumption, and enhanced infection prevention and control measures including vaccination during incarceration.
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Affiliation(s)
- Nadine Kronfli
- Centre for Outcomes Research and Evaluation, Research Institute of the McGill University Health Centre, Montréal, Québec, Canada.,Department of Medicine, Division of Infectious Diseases and Chronic Viral Illness Service, McGill University Health Centre, Montréal, Québec, Canada
| | - Camille Dussault
- Centre for Outcomes Research and Evaluation, Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
| | - Mathieu Maheu-Giroux
- Department of Epidemiology and Biostatistics, School of Population and Global Health, Faculty of Medicine and Health Sciences, McGill University, Montréal, Québec, Canada
| | - Alexandros Halavrezos
- Centre for Outcomes Research and Evaluation, Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
| | - Sylvie Chalifoux
- Centre for Outcomes Research and Evaluation, Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
| | - Jessica Sherman
- Centre for Outcomes Research and Evaluation, Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
| | - Hyejin Park
- Centre for Outcomes Research and Evaluation, Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
| | - Lina Del Balso
- Centre for Outcomes Research and Evaluation, Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
| | - Matthew P Cheng
- Department of Medicine, Divisions of Infectious Diseases and Medical Microbiology, McGill University Health Centre, Montréal, Québec, Canada
| | - Sébastien Poulin
- Centre intégré de santé et de services sociaux des Laurentides, Saint-Jérôme, Québec, Canada
| | - Joseph Cox
- Centre for Outcomes Research and Evaluation, Research Institute of the McGill University Health Centre, Montréal, Québec, Canada.,Department of Medicine, Division of Infectious Diseases and Chronic Viral Illness Service, McGill University Health Centre, Montréal, Québec, Canada.,Department of Epidemiology and Biostatistics, School of Population and Global Health, Faculty of Medicine and Health Sciences, McGill University, Montréal, Québec, Canada
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