age
Item
children aged 2-14 years inclusive
boolean
C0001779 (UMLS CUI [1])
asthma
Item
doctor-diagnosed asthma
boolean
C0004096 (UMLS CUI [1])
beta-agonist inhaler
Item
needing a beta-agonist inhaler at least once weekly on average for symptom relief
boolean
C0001644 (UMLS CUI [1,1])
C0021461 (UMLS CUI [1,2])
C3476109 (UMLS CUI [1,3])
limited activity
Item
at least one day lost from school in the past year, or significantly limited activity, because of asthma
boolean
C0026606 (UMLS CUI [1,1])
C0439801 (UMLS CUI [1,2])
C0004096 (UMLS CUI [1,3])
asthma exacerbation
Item
a history of asthma exacerbations associated with apparent respiratory viral infections
boolean
C0349790 (UMLS CUI [1])
C0009450 (UMLS CUI [2])
informed consent
Item
parent or guardian who is willing to provide informed consent
boolean
C0021430 (UMLS CUI [1])
assent
Item
willing to give assent
boolean
C0021430 (UMLS CUI [1])
non-english speaking
Item
non-english speaking
boolean
C1546417 (UMLS CUI [1])
unable to understand purpose of study and give consent
Item
unable to understand purpose of study and give consent
boolean
C0021430 (UMLS CUI [1,1])
C0439801 (UMLS CUI [1,2])
comorbidity
Item
concomitant respiratory or other major illness e.g. cystic fibrosis, cardiac disease
boolean
C0009488 (UMLS CUI [1])
montelukast or other leukotriene receptor antagonist
Item
currently using montelukast or other leukotriene receptor antagonist
boolean
C0298130 (UMLS CUI [1])
C3542962 (UMLS CUI [2])
oral corticosteroid
Item
using regular oral corticosteroid
boolean
C3653473 (UMLS CUI [1])
asthma exacerbation
Item
an asthma exacerbation requiring medical intervention during august 2005
boolean
C0349790 (UMLS CUI [1,1])
C0040223 (UMLS CUI [1,2])