TABLE 1

Age-Specific Asthma Control Tools and Their Properties

AgeInstrument
0–4 yTRACK
5–11 y/older childrenAsthma Quiz, ATAQ for Children and Adolescents, Breathmobile Assessment of Asthma Control, Asthma Control in Children, Functional Severity of Asthma Scale, C-ACT, and Pediatric Asthma Control Tool
12 y and olderACT and ACQ
18 y and olderAsthma Control and Communication Instrument, ATAQ, Seattle Asthma Severity and Control Questionnaire, and 30-Second Asthma Test
CommentsOther asthma questionnaires include the Asthma Quiz for Kidz, the 23-item/13-item Pediatric Asthma Quality of Life Questionnaire (PAQLQ)/Mini-PAQLQ, the Pediatric Quality of Life Inventory, the Asthma Routines Questionnaire, and the Pediatric Asthma Control and Communication Instrument
ToolProperties
ACT (5-item questionnaire)Composite, numeric score (up to 25)
MCID 3 points
Controlled >19
Poorly controlled ≤15
C-ACT (7-item questionnaire)4 filled out by child, 3 questions by parent/caregiver
Composite numeric score (up to 27)
MCID 2 points
Controlled >19
ACQ (7 items: 6 questionnaire, and 1 FEV1)Composite numeric score (up to 6)
MCID 0.5 points
Controlled >19
ATAQ (4-item questionnaire in the control dimension; overall 20 questions)Composite numeric score (up to 4)
MCID: none established
Controlled (0); not well controlled (1–2), poorly controlled (3–4)
TRACK (5-item questionnaire)Composite numeric score (up to 100)
MCID: 10
Controlled (≥80)
  • Adapted from Cloutier et al.6 MCID, minimally clinically important difference.