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Table 3 Characteristics of HIV vaccination that could facilitate or hinder vaccine acceptability

From: HIV vaccine acceptability among high-risk drug users in Appalachia: a cross-sectional study

Characteristic N(%)
Price (USD) willingness to pay for a 90% effective HIV vaccine  
  $0 30 (6.9)
  $1 - $50 126 (29.1)
  $51 - $100 132 (30.5)
  $101 - $200 57 (13.2)
  $201 - $500 51 (11.8)
  $501 - $1000 28 (6.5)
  Greater than $1000 9 (2.1)
Efficacy required before participant would accept an HIV vaccine (n = 423) a  
  Less than 50% 5 (1.2)
  50% 37 (8.7)
  60% 5 (1.2)
  70% 13 (3.1)
  80% 52 (12.3)
  90% 237 (56.0)
  100% 74 (17.5)
Factors that would make participant less likely to get the vaccine (n = 431)  
  Requirement for multiple doses (versus single dose) 86 (20.0)
  Caused future HIV test results to be positive 221 (51.3)
Factors that would make participant more likely to get the vaccine  
 Cash incentive (n = 431) 269 (62.4)
  Amount necessary to motivate vaccination (USD) (n = 269)  
    Less than $20 16 (5.9)
    $20 - $50 147 (54.6)
    $51 - $100 81 (30.1)
    $101 - $500 18 (6.7)
    $501 - $1000 4 (1.5)
    $1001 - $2000 2 (0.7)
    $10,000 1 (0.4)
 Orally administered rather than injected (n = 430) 190 (44.2)
  1. aMissing data include nine participants who reported that they would not accept the vaccine regardless of efficacy.