Validity of the Childhood Asthma Control Test in Diverse Populations: A Systematic Review.

The C-ACT showed good internal consistency and mixed levels of agreement and correlation with various clinical asthma measures. Recommended cut-offs for asthma control varied and had no consistent relationship with nationality, race, ethnicity, or language. Few studies examined cross-cultural validity and multiple populations remain under-studied. This article is protected by copyright. All rights reserved.