Patients’ knowledge of HIV/AIDS was assessed using
an objective, multiple-choice format questionnaire
to eliminate the introduction of bias by the interviewer.
The HIV/AIDS knowledge composite score was comprised
of 22 questions on the accuracy and timing of
HIV tests, HIV/AIDS transmission routes, and available
HIV/AIDS treatment.30,31 These 22 knowledge
items were the same, regardless of whether patients
accepted or refused HIV testing.
Additional information on three factors that could
potentially affect patients’ HIV/AIDS knowledge level
was also obtained during the interview. The three factors
included patients’ personal HIV experience, their
understanding of risk, and their attitudes and beliefs
about HIV/AIDS. The questionnaire items used to measure
risk perception were not previously validated