PAD Awareness Study

Patients will be asked to show their consultation slip to confirm they attend to clinic on the day. The will also be asked to show their HKID card to comfirm they are aged 40 or above. The purpose of the study will be explained. If patient agrees to proceed, he/she will be given a self-administered questionniare. An interviewer-administered questionnaire will be provided for subjects who have poor sightedness or are illiterate. Since only anonymous data and no identifiable information will be collected, participants cannot be identified from the questionnaire. Therefore, inform consent will not be obtained.