<div>CI=confidence interval. HR=hazard ratios. LBW=low birthweight. SGA=small
for gestational age</div><div>a: Denominators differ due to missing data.</div><div>b: HR results compared outcome variable in vaccinated group to reference
(unvaccinated).</div><div>c: Adjustments were made for maternal age, race/ethnicity, education,
household income, gravidity, intake of alcohol and recreational drugs,
smoking, pre-pregnancy body mass index (continuous), use of multivitamin
supplements, estimated season of delivery, Edinburgh Postnatal.
Depression Scale (EPDS), The State-Trait Anxiety Inventory (STAI),
Perceived Stress Scale (PSS-10), physical activity, infertility
treatment, and asthma. Birth outcomes were additionally adjusted for
infant’s sex.</div><div>d: For hypertensive disorders analysis, women who were vaccinated at or
after the gestational age at diagnosis were censored</div><div>e: Women admitted to hospital with respiratory tract
infection/influenza-like illness were censored at their admission date</div><div>f: Women vaccinated at 37 weeks’ or later were censored because they
were no longer at risk of preterm birth.</div><div>g: Low birthweight at term (&lt; 2500 g and ≥ 37 completed weeks’
gestation at birth).</div>