Table 2.

Rules to identify inhaler techniques

Keywords	Rules
(1) Observ*, reassess*, review*, demonstrat*, check*, educat*, teach*, taught, explain*, reinforce*, discuss*, instruction, constraints, how to use	(a) Combination of keyword 1 and 2 (e.g., reviewed inhaler use)
(2) Inhaler, MDI, neb, nebulizer, optichamber, spacer
(3) Techniques, administrations, dosing, guidance	(b) Combination of keyword 1, 3, and 4 (e.g., teach daily medication technique)
(4) Asthma/rescue/daily/preventive/control medication, ICS, list of maintenance and rescue medications

* (Asterisk):  match any characters