COVID-19 vaccine confidence and its effect on vaccine uptake among people with hypertension or diabetes mellitus in Kilimanjaro region, Tanzania

COVID-19 vaccination effectively reduces disease severity, hospitalization, and mortality, particularly among individuals with chronic conditions who bear a disproportionate burden of disease complications. Vaccine confidence – belief in its safety, effectiveness, and importance – boosts uptake. How...

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Main Authors: Monica Mtei, Daimon Mwasamila B, Caroline Amour, Julieth S Bilakwate, Laura J Shirima, Amina Farah, Innocent B Mboya, James Ngocho, Johnston M George, Sia E Msuya
Format: Article
Language:English
Published: Taylor & Francis Group 2024-12-01
Series:Human Vaccines & Immunotherapeutics
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Online Access:https://www.tandfonline.com/doi/10.1080/21645515.2024.2396213
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author Monica Mtei
Daimon Mwasamila B
Caroline Amour
Julieth S Bilakwate
Laura J Shirima
Amina Farah
Innocent B Mboya
James Ngocho
Johnston M George
Sia E Msuya
author_facet Monica Mtei
Daimon Mwasamila B
Caroline Amour
Julieth S Bilakwate
Laura J Shirima
Amina Farah
Innocent B Mboya
James Ngocho
Johnston M George
Sia E Msuya
author_sort Monica Mtei
collection DOAJ
description COVID-19 vaccination effectively reduces disease severity, hospitalization, and mortality, particularly among individuals with chronic conditions who bear a disproportionate burden of disease complications. Vaccine confidence – belief in its safety, effectiveness, and importance – boosts uptake. However, limited data on vaccine confidence in this population hinders the development of targeted interventions. This study examined COVID-19 vaccine confidence and its impact on uptake among individuals with hypertension or diabetes mellitus in the Kilimanjaro region, Tanzania. A community-based cross-sectional study was conducted in March 2023 among 646 randomly selected adults aged ≥18 years with hypertension or diabetes mellitus in three districts of Kilimanjaro region, northern Tanzania. An interviewer-administered electronic questionnaire assessed confidence and uptake of COVID-19 vaccines in addition to related knowledge and demographic characteristics. Data analysis was done for 646 individuals who consented to participate. Multivariable logistic regression models determined the factors associated with COVID-19 vaccine confidence and its effect on vaccine uptake. The proportion of COVID-19 vaccine confidence among all 646 participants was 70% and was highest for perceived vaccine importance (80%), followed by perceived vaccine effectiveness (77%) and perceived vaccine safety (74%). Good knowledge of COVID-19 vaccines and living in the Mwanga municipal council (MC), a semi-urban district, was independently associated with confidence in the vaccines’ importance, safety, effectiveness, and overall COVID-19 vaccine confidence. Confidence in COVID-19 vaccines increased the odds of vaccine uptake. Targeted interventions to boost vaccine confidence are therefore essential to enhance vaccine uptake in this high-risk population.
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spelling doaj-art-31c5cd25b51b4b6286f9db3df32898152025-08-20T03:22:21ZengTaylor & Francis GroupHuman Vaccines & Immunotherapeutics2164-55152164-554X2024-12-0120110.1080/21645515.2024.2396213COVID-19 vaccine confidence and its effect on vaccine uptake among people with hypertension or diabetes mellitus in Kilimanjaro region, TanzaniaMonica Mtei0Daimon Mwasamila B1Caroline Amour2Julieth S Bilakwate3Laura J Shirima4Amina Farah5Innocent B Mboya6James Ngocho7Johnston M George8Sia E Msuya9Institute of Public Health, Department of Epidemiology and Biostatistics, Kilimanjaro Christian Medical University College, Moshi, TanzaniaInstitute of Public Health, Department of Epidemiology and Biostatistics, Kilimanjaro Christian Medical University College, Moshi, TanzaniaInstitute of Public Health, Department of Epidemiology and Biostatistics, Kilimanjaro Christian Medical University College, Moshi, TanzaniaInstitute of Public Health, Department of Community Health, Kilimanjaro Christian Medical University College, Moshi, TanzaniaInstitute of Public Health, Department of Epidemiology and Biostatistics, Kilimanjaro Christian Medical University College, Moshi, TanzaniaJoint Malaria Program, Kilimanjaro Christian Medical Centre, Moshi, TanzaniaInstitute of Public Health, Department of Epidemiology and Biostatistics, Kilimanjaro Christian Medical University College, Moshi, TanzaniaInstitute of Public Health, Department of Epidemiology and Biostatistics, Kilimanjaro Christian Medical University College, Moshi, TanzaniaInstitute of Public Health, Department of Epidemiology and Biostatistics, Kilimanjaro Christian Medical University College, Moshi, TanzaniaInstitute of Public Health, Department of Epidemiology and Biostatistics, Kilimanjaro Christian Medical University College, Moshi, TanzaniaCOVID-19 vaccination effectively reduces disease severity, hospitalization, and mortality, particularly among individuals with chronic conditions who bear a disproportionate burden of disease complications. Vaccine confidence – belief in its safety, effectiveness, and importance – boosts uptake. However, limited data on vaccine confidence in this population hinders the development of targeted interventions. This study examined COVID-19 vaccine confidence and its impact on uptake among individuals with hypertension or diabetes mellitus in the Kilimanjaro region, Tanzania. A community-based cross-sectional study was conducted in March 2023 among 646 randomly selected adults aged ≥18 years with hypertension or diabetes mellitus in three districts of Kilimanjaro region, northern Tanzania. An interviewer-administered electronic questionnaire assessed confidence and uptake of COVID-19 vaccines in addition to related knowledge and demographic characteristics. Data analysis was done for 646 individuals who consented to participate. Multivariable logistic regression models determined the factors associated with COVID-19 vaccine confidence and its effect on vaccine uptake. The proportion of COVID-19 vaccine confidence among all 646 participants was 70% and was highest for perceived vaccine importance (80%), followed by perceived vaccine effectiveness (77%) and perceived vaccine safety (74%). Good knowledge of COVID-19 vaccines and living in the Mwanga municipal council (MC), a semi-urban district, was independently associated with confidence in the vaccines’ importance, safety, effectiveness, and overall COVID-19 vaccine confidence. Confidence in COVID-19 vaccines increased the odds of vaccine uptake. Targeted interventions to boost vaccine confidence are therefore essential to enhance vaccine uptake in this high-risk population.https://www.tandfonline.com/doi/10.1080/21645515.2024.2396213COVID-19vaccinationvaccine acceptancevaccine confidencevaccine hesitancyTanzania
spellingShingle Monica Mtei
Daimon Mwasamila B
Caroline Amour
Julieth S Bilakwate
Laura J Shirima
Amina Farah
Innocent B Mboya
James Ngocho
Johnston M George
Sia E Msuya
COVID-19 vaccine confidence and its effect on vaccine uptake among people with hypertension or diabetes mellitus in Kilimanjaro region, Tanzania
Human Vaccines & Immunotherapeutics
COVID-19
vaccination
vaccine acceptance
vaccine confidence
vaccine hesitancy
Tanzania
title COVID-19 vaccine confidence and its effect on vaccine uptake among people with hypertension or diabetes mellitus in Kilimanjaro region, Tanzania
title_full COVID-19 vaccine confidence and its effect on vaccine uptake among people with hypertension or diabetes mellitus in Kilimanjaro region, Tanzania
title_fullStr COVID-19 vaccine confidence and its effect on vaccine uptake among people with hypertension or diabetes mellitus in Kilimanjaro region, Tanzania
title_full_unstemmed COVID-19 vaccine confidence and its effect on vaccine uptake among people with hypertension or diabetes mellitus in Kilimanjaro region, Tanzania
title_short COVID-19 vaccine confidence and its effect on vaccine uptake among people with hypertension or diabetes mellitus in Kilimanjaro region, Tanzania
title_sort covid 19 vaccine confidence and its effect on vaccine uptake among people with hypertension or diabetes mellitus in kilimanjaro region tanzania
topic COVID-19
vaccination
vaccine acceptance
vaccine confidence
vaccine hesitancy
Tanzania
url https://www.tandfonline.com/doi/10.1080/21645515.2024.2396213
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