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Causal DAG templates

Causal DAG — Roadside NO2 and Childhood Asthma

Directed acyclic graph for a birth cohort study of roadside nitrogen dioxide and incident childhood asthma, distinguishing residential self-selection from the housing and smoking confounders.

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Template previewCausal DAG
Roadside NO2 exposure and incident childhood asthmaERoadside NO2 exposureDO NOT ADJUSTYIncident asthma by age 8DO NOT ADJUSTSHousehold incomeTMaternal smoking in pregnancyDNeighbourhood deprivationMAirway inflammationUResidential self-selectionHDamp or mouldy housingAAtopic family historyExposureOutcomeConfounderMediatorUnobservedNo simple identification strategy works here: no adjustment set blocks every backdoor path, no front door is open, and nothing in this diagram…No simple identification strategy works for the effect of `Roadside NO2 exposure` on `Incident asthma by age 8`. Three doors were tried and all three are shut: no…

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title "Roadside NO2 exposure and incident childhood asthma"
exposure E "Roadside NO2 exposure"
outcome Y "Incident asthma by age 8"
confounder S "Household income"
confounder T "Maternal smoking in pregnancy"
confounder D "Neighbourhood deprivation"
mediator M "Airway inflammation"
unobserved U "Residential self-selection"
node H "Damp or mouldy housing"
node A "Atopic family history"
E -> M
M -> Y
E -> Y
S -> E
S -> Y
S -> H
T -> Y
T -> M
D -> E
D -> S
D -> H
H -> Y
A -> Y
U -> E
U -> Y