Fig. 1

Combined associations for age at first hospital admission for acute gastroenteritis by mode of birth, timing of birth and infant formula only at birth, NSW 2001–2011. The reference category is vaginal, birth following spontaneous onset of labour at 39+ weeks gestation with breastmilk feeding at discharge. Associations adjusted for maternal country of birth, maternal smoking during pregnancy, socio-economic advantage, parity, diabetes, hypertension, baby’s sex, year of birth, birthweight, and length of stay and infections in the birth admission (AGE or ICD-10-AM: P35-P39)