| 
      
        | Search    Strategy | Number    of references |  
        | Pubmed (overweight[TIAB] OR obese[TIAB] OR    obesity[TIAB]) AND (asthma[TIAB] OR wheeze[TIAB] OR wheezing[TIAB]) AND    (weight[TIAB] OR BMI[TIAB] OR body mass index[TIAB] OR waist[TIAB] OR fat[TIAB])
 Limit to Clinical Trial
 | 82 |  
        | CINAHL ((TI (overweight OR obese OR obesity))    OR (AB (overweight OR obese OR obesity))) AND ((TI (asthma OR wheeze OR    wheezing)) OR (AB (asthma OR wheeze OR wheezing))) AND ((TI (weight OR BMI OR    body mass index OR waist OR fat)) OR (AB (weight OR BMI OR body mass index OR    waist OR fat)))
 Limit to English Language, Randomized    Controlled Trial, Human
 | 2 |  
        | PsychInfo ((TI(overweight OR obese OR obesity))    OR (AB(overweight OR obese OR obesity))) AND ((TI(asthma OR wheeze OR    wheezing)) OR (AB(asthma OR wheeze OR wheezing))) AND ((TI(weight OR BMI OR    body mass index OR waist OR fat)) OR (AB(weight OR BMI OR body mass index OR    waist OR fat)))
 Limit to Human, English; Exclude    interview, Retrospective Study, Literature Review, Focus Group,    Mathematical Model
 | 81 |  
        | Cochrane ((overweight):ti,ab OR (obese):ti,ab    OR (obesity):ti,ab) AND ((asthma):ti,ab OR (wheeze):ti,ab OR    (wheezing):ti,ab) AND ((weight):ti,ab OR (BMI):ti,abOR (body mass    index):ti,ab OR (waist):ti,ab OR (fat):ti,ab)
 Limit to Trials
 | 47 |  |