Childhood body mass index and subsequent physician-diagnosed asthma: a systematic review and meta-analysis of prospective cohort studies
Egan KB, Ettinger AS, Bracken MB. Childhood body mass index and subsequent physician-diagnosed asthma: a systematic review and meta-analysis of prospective cohort studies. BMC Pediatrics 2013, 13: 121. PMID: 23941287, PMCID: PMC3751452, DOI: 10.1186/1471-2431-13-121.Peer-Reviewed Original ResearchConceptsBody mass indexCombined risk ratioProspective cohort studyRisk ratioYears of ageCohort studyMass indexChildhood body mass indexDescription of cohortPhysician-diagnosed asthmaNormal-weight childrenOverweight/obesityPotential effect modificationPotential effect modifiersIncident asthmaObesity definitionObserved sex effectsAsthma definitionsBMI assessmentObese childrenWeight childrenLanguage restrictionsSubgroup analysisObesity prevalenceEffect modification