Self administered questionnaire was adapted from
WHO recommendation assessment tool.16-17 The
questionnaire included questions on demographic
characteristics, knowledge of HCWs on healthcare
waste type, disease transmission with contact
of infectious waste, and risk perception towards
improperly managed healthcare wastes. There were
10 questions used to assess risk perceptions which
were presented in a Likert scale level with responses
of strongly agree, agree, I don’t know, disagree, andstrongly disagree. A score of 5 was assigned for the
answer “strongly agree” and a score of 1 for “strongly
disagree”. Hence, the total score for the attitude
questions ranged from 10 to 50.