Online Asthma Control Test (ACT)

The Asthma Control Test (ACT), introduced in 2003, is a validated brief questionnaire which consists of 5 questions for adults and 7 questions for children. ACT is designed to assess the level of asthma control and it correlates well with PFTs.

The ACT is reliable, valid, and responsive to changes in asthma control over time. A cutoff score of 19 or less identifies patients with poorly controlled asthma. An ACT score of 19 or less provides optimum balance of sensitivity (71%) and specificity (71%) for detecting uncontrolled asthma.

Click below for an online version of ACT:

- ACT for adults
- ACT for children


Asthma Control Test: reliability, validity, and responsiveness in patients not previously followed by asthma specialists. Schatz M, Sorkness CA, Li JT, Marcus P, Murray JJ, Nathan RA, Kosinski M, Pendergraft TB, Jhingran P. J Allergy Clin Immunol. 2006 Mar;117(3):549-56.

ACQ scores ≥ 1.50 and ACT scores ≤ 19 are suitable to indicate uncontrolled asthma

Validated tools to assess asthma control - ACT, ATAQ, LASS, ACQ, ACSS, TRACK and more. AAAAI, 2011.

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