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Table 2 Healthcare workers' vaccine safety concerns and self-assessed health history

From: Attitudes of healthcare workers in U.S. hospitals regarding smallpox vaccination

  n %
Topics about which more information desired*   
   Likelihood and nature of adverse events 639 28%
   Risk of a smallpox attack 328 15%
   Risks and health problems of transmitting vaccinia 339 15%
   Whether experts/respected peers getting vaccinated 232 10%
   Length of protection from previous vaccination 253 11%
   Facts about smallpox disease 233 10%
   Liability and compensation 159 7%
   None – no additional information needed 48 2%
   Other 14 1%
Top concern   
   Risks outweigh benefits 566 53%
   Might transmit vaccinia to family or friends 277 26%
   Other 65 6%
   Might be expected to work with/near smallpox patient 57 5%
   Might transmit vaccinia to patients 52 5%
   Might have to miss work after vaccination 39 4%
   Might have to work extra hours 21 2%
General type of adverse event most concerned about   
   More frequent mild to moderate reactions 207 18%
   Less frequent moderate to severe reactions 801 70%
   Not particularly concerned about adverse reactions 130 11%
Self-reported history of smallpox vaccination, age < 30   
   Yes 30 11%
   No 215 78%
   Not sure 32 12%
Self-reported history of smallpox vaccination, age ≥ 30   
   Yes 573 65%
   No 198 23%
   Not sure 106 12%
Child/children < 1 year of age at home (a precaution)   
   Yes 72 6%
   No 1065 94%
With at least 1 contraindication (of list of 8)   
   Yes (≥ 1) 415 37%
   Not sure (≥ 1) 84 8%
   No (none) 620 55%
Self-reported contraindications**   
   Household member with history of eczema/atopic dermatitis 182% 16%
   History of eczema/atopic dermatitis 145 13%
   Pregnancy or attempting to get pregnant 88 8%
   Other acute, chronic, or exfoliative skin condition... 80 7%
   Household member with other skin condition 68 6%
   Immunosuppressed household member 45 4%
   Immunosuppression 19 2%
   Allergy to vaccine component 15 1%
  1. * Respondents were instructed to choose up to 2 answers; percentages are of total answers chosen. ** Percentages represent (number saying "yes")/(total respondents giving any answer about the respective condition).