The proportion of milk and formula feedings among breastfeeding mothers across the first year of life. Data refers only to the milk-based infant diet and therefore after 6 months of age would also include the feeding of complementary foods along with breastmilk and infant formula. Legend: Sample sizes were as follows: 1 month, n = 834; 2 months, n = 615; 3 months, n = 494, 6 months, n = 354; 9 months, n = 249; 12 months, n = 165.
Tarrant et al. BMC Pregnancy and Childbirth 2010 10:27 doi:10.1186/1471-2393-10-27