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. 2022 Feb 2;10(2):230. doi: 10.3390/vaccines10020230

Table 2.

COVID-19 Vaccination Refusal Rates and Reasons Among Nurses (January 2021–May 2021).

Authors and
Study Period
Country Sample Size (n) Refusal Rate (%) Reasons for Refusal of COVID-19 Vaccines and Enablers of Vaccination
Rabi et al.
January 2021 [45]
Palestine 639 18 Reasons: Concerns about vaccine side effects; natural immunity preference; media misinformation.
Enablers: Older age, no fear of injections; believing in vaccine efficacy; take to protect others.
Hara et. al.
January 2021 [46]
Japan 369 * 18.4 Reasons: Concerns about vaccine side effects, effectiveness, newness, vaccine immunity duration.
Enablers: Male sex, flu vaccination history, older age, current smoking, local area epidemic situation.
Fares et al.
January 2021 [47]
Egypt 89 * 32.6 Reasons: Concerns over vaccine safety, side effects, efficacy; low trust or a lack of information.
Enablers: Male sex, COVID-19 patient care, past vaccination history, recommendations from others.
Spinewine et al.
January 2021 [48]
Belgium 319 * 5.3 Reasons: Concerns over vaccine side effects and efficacy on variants, low perceived COVID-19 risk.
Enablers: Male sex, older age, flu vaccination history, to protect others and to stop the pandemic.
Maraqa et al.
January 2021 [49]
Palestine 483 * 75.6 Reasons: Concerns over vaccine side effects, efficacy, could get COVID-19 infection from a vaccine.
Enablers: Male sex, flu vaccination history, younger age, higher knowledge/risk of COVID.
Desveaux et al.
January 2021 [50]
Canada 1556 *
18.8 Reasons: Concerns about vaccine safety/speedy approval; belief that vaccines are it is not required, lower confidence in vaccines.
Enablers: Older age, higher education, trust in public health websites/providers, paid sick days at job.
Mena et al.
January 2021 [51]
Spain 234 * 12.8 Reasons: Concerns about vaccine effectiveness; lower education and income; COVID-19 patient care.
Enablers: Male sex, flu vaccination history, older age, and high perceived risk of COVID-19 infection.
Schrading et al.
January 2021 [52]
USA 345 * 22.3 Reasons: Concern over vaccine safety, efficacy, religious/ethical/personal reason, and lack of time Enablers: Male sex, older age, white race, chronic disease history, and easier logistics to get vaccines.
Patelarou et al.
January 2021 [53]
Albania, Cyprus, Spain, Greece, Kosovo 1135 4.8 Reasons: Concerns about vaccine safety, efficacy, effectiveness; previous COVID-19 infection, lower perceived risk or severity of COVID-19 infection.
Enablers: Male sex, flu vaccination history, greater knowledge of COVID-19 vaccines, trust in experts and the government, and living in an area of high mortality from COVID-19 infections.
Holzmann-Littig et al. February 2021 [54] Germany 466 * 9 Reasons: Concerns over vaccine side effects, safety; lack of trust in authorities/pharma companies.
Enablers: Older age, trust in other vaccines, high perceived risk or knowledge about COVID-19.
Baniak et al.
February 2021 [55]
USA 276 5.1 Reasons: Concerns about vaccine side effects, efficacy; and lack of information to make a decision.
Enablers: Confidence in vaccine safety, development process, and higher work experience years.
AlKetbi et al.
February 2021 [56]
UAE 1402 * 11.3 Reasons: Concern about vaccine side effects, lack of information, belief the vaccines may not work.
Enablers: Male sex, older age, trust in vaccine producers/distributors, belief vaccines are effective.
Agyekum et al.
February 2021 [57]
Ghana 151 * 64.9 Reasons: Concerns about vaccine safety, side effects; had COVID-19 or low perceived risk of disease.
Enablers: Male sex, occupation type, family/friends had COVID-19, and higher trust in government.
Huynh et al.
Feb 2021 [58]
Vietnam 146 * 16.4 Reason: Concerns about vaccine efficacy, side effects, fear, doubt; low perceived vaccine benefits.
Enablers: High perceived risk or knowledge about COVID-19; reliable sources of information.
Paris et al.
February 2021 [59]
France β 563 * 3 Reasons: Concerns about vaccine safety, efficacy; controversies about the existing vaccine side effects.
Enablers: Older age, flu vaccination history, no comorbidities or allergies, past COVID-19 infection.
Janssen et al.
March 2021 [60]
France 821 * 15.5 Reasons: Concerns about vaccine side effects, efficacy, immunity duration; mistrust in pharma group
Enablers: Male sex, older age, flu vaccine or chronic disease history, higher COVID-19 infection risk
Angelo et al.
March 2021 [61]
Ethiopia β 242 * 55.4 Reasons: Concerns about vaccine side effects; misinformation; negative attitude toward prevention.
Enablers: Chronic disease history; high knowledge of COVID-19/ vaccines, higher COVID-19 risk.
Al-Sanafi et al.
March 2021 [62]
Kuwait 127 * 17.3 Reasons: Concerns about vaccine side effects, influence of conspiracy theories or social media stories.
Enablers: Male sex, higher education and COVID-19 vaccine confidence, job in public health sector.
Vignier et al.
March 2021 [63]
France 200 * 35.5 Reasons: Concerns about vaccine side effects, benefits, efficacy, and low trust in pharma/authorities.
Enablers: Male sex, older age, vaccination history, COVID-19 patient care, higher COVID-19 risk.
Branson et al.
April 2021 [64]
USA 311 12.2 Reasons: Concerns over vaccine safety, side effects, speedy approval, previous COVID diagnosis.
Enablers: Older age, white race, higher education/work experience/designation or perceived risk.
Kozak et al.
April 2021 [65]
Germany 908 * 9.9 Reasons: Concerns about vaccine safety/efficacy, side effects/fertility; low confidence/social pressure. Enablers: Middle age, flu vaccination history, COVID-19 patient contact, desire to protect others.
Do et al.
April 2021 [66]
USA 275 * 47.6 Reasons: Concerns about vaccine side effects, efficacy, newness; mistrust; past COVID-19 diagnosis.
Enablers: Male sex, older age, flu vaccination history, chronic disease history, COVID-19 patient care.
Toth-M, et al.
May 2021 [67]
USA 303 * 20.5 Reasons: Concerns over lack of information/evidence on vaccines, side effects; racial minorities.
Enablers: Male sex, older age, liberal, chronic disease in the family, recommendation of others.
King et al.
May 2021 [68]
USA β 9701 * 11.6 Reasons: Concerns about vaccine side effects, efficacy, vaccine not needed, low trust in government.
Enablers: Favorable attitudes toward vaccines/vaccination overall, and recommendation from others.
Total = 24 studies 18 Countries 21,061
Nurses
18.3% (95%CI =
14.4–24.7)
Top Refusal Reasons: Concerns about vaccine side effects, efficacy, and misinformation/mistrust.
Top Enablers of COVID-19 Vaccination: Male sex, flu vaccination history, older age.
Grand Total = Tables 1 + 2 = 51 Studies, 36 Countries, 41,098 Nurses. COVID-19 vaccine refusal rate from March 2020–May 2021 = 20.7% (95% CI = 16.5–27.0)

∗ indicates that the nurse participants were part of a larger sample of HCWs and the reasons and enablers listed are for the whole sample. Data collection months for each study have been arranged in chronological order in the table. β indicates studies without the majority of the study participants being females (rest had a majority of females). The overall prevalence of vaccine refusal among nurses was estimated from the included studies with 95% confidence intervals using random-effects modeling.