Pacifier use & ear infections, Niemelä 2000 A total of 484 infants under 18 months old were studied. Pacifier use appeared to be a preventable risk factor for acute otitis media.
Breastfeeding, cleft palate & ear infections, Paradise 1994 The authors of this study reviewed and analyzed data concerning both feeding mode and the presence or absence of middle-ear effusion in 315 infants with cleft palate.
Breastfeeding & ear infections, Aniansson 1994 A total of 400 infants were studied at 2, 6, 10 and 12 months of age. Breastfed babies had significantly lower incidence of acute otitis media at every stage.
Breastfeeding & ear infections, Duncan 1993 A total of 1,013 infants were studied during the first year of life to assess the relationship between infant feeding and acute and recurrent otitis media.