Table 1.

Sample characteristics

^*Asthma specialists rated asthma control on a 4-point scale based on how well the GINA-defined goals of asthma were met as determined based on patient history, physical examination, and FEV₁ measurements. This rating method was based on the original study of the ACT survey (3, 13).

FEV₁, forced expiratory volume in one second.