Validation of the inhaler adherence questionnaire.
Brett G ToelleGuy B MarksStewart M DunnPublished in: BMC psychology (2020)
The modified 4-item IAQ is simple, quick to complete and useful for measuring adherence with prescribed daily inhaled medication. This validation of the IAQ provides evidence for its utility in research and it will be important to validate this simple, inexpensive tool for use in clinical practice.