Theoretical questionnaire
Regarding the theoretical questionnaire, 68 subjects (81%) answered
that IT varies according to the patients’ age. Only 20 of the
participants (23.8%) answered correctly to the question “at what age
does inhaler technique vary?”. With respect to IT in children over 7
years old, only 13 (15.5%) answered how to perform IT correctly. The
theoretical questionnaire and the correct answers are provided as
Supplementary material.