Fig. 1From: Maternal phthalate exposure and asthma, rhinitis and eczema in 552 children aged 5 years; a prospective cohort studyDirected acyclic graph (DAG) for evaluation of covariates in the logistic regression model. Legends: DAG for evaluation of covariates in the association between phthalates and asthma/allergy. Green nodes: Variables associated with maternal phthalate exposure. Blue nodes: Variables associated with asthma in the offspring. Red nodes: Variables associated with phthalates and asthma outcomesBack to article page