Kruithof, C.J.

smoking pregnancy mother study birth weight smoking status trimester birth weight growth obesity association rotterdam reference erasmus universiteit rotterdam children status questionnaire assessment characteristic generation r study erasmu netherland effect difference postnatal postnatal growth characteristics outcome exposure cohort fi rst trimester effect estimates model cigarette category health nonsmoking cohort study information trimester –only smoking value body mass index ncase smoking cessation height research result misclassification jaddoe preterm birth women table childhood nonsmoking mothers number generation ethnicity growth characteristics smoke tobacco research universiteit downloaded offspring child journal length estimate fi rst questionnaire –only head circumferences ultrasound trimester –only smoking   circumference childhood obesity epidemiol folic epidemiology tobacco center smoking category