Willingness to Participate in Hypothetical HIV Vaccine Trial and Associated Factors among People Who Inject Drugs in Dar es Salaam, Tanzania

Table 3

Knowledge of HIV transmission and HIV vaccine trials.

Item	Number (%),
How is HIV transmitted?
Sharing of sharp instruments such as syringes	382 (99.0)
Mother to child transmission through breastfeeding	323 (83.7)
Mother to child transmission through delivery	308 (79.8)
Unprotected sex with an HIV-infected person	378 (97.9)
Can you recognize a person with AIDS by physical appearance?
Yes	55 (14.2)
No	331 (85.8)
Is there a difference between a person with HIV infection and AIDS
Yes	137 (35.5)
No	249 (64.5)
Have you ever heard about HIV vaccine trials before this study?
Yes	106 (27.5)
No	280 (72.5)
Source of information about HIV vaccine trials
Health care workers	48 (45.3)
Friends	38 (35.8)
Media	20 (18.9)
Knowledge about HIV transmission
Knowledgeable	242 (62.7)
Not knowledgeable	144 (37.3)