The validity and reliability of two asthma knowledge questionnaires.

Background: This study aimed to develop and validate two asthma knowledge questionnaires, one for consumers (CQ) and one for health care professionals (HQ) to fill an existing gap in the literature.

Methods: Following development and pilot testing, the revised CQ and HQ were administered to respiratory physicians, pharmacists and people with asthma and without asthma.

Results: Both the CQ and HQ were shown to be reliable with Cronbach's alpha of 0.