Skip to main content
. Author manuscript; available in PMC: 2013 Mar 1.
Published in final edited form as: Paediatr Perinat Epidemiol. 2011 Dec 16;26(2):163–175. doi: 10.1111/j.1365-3016.2011.01244.x

Figure 1.

Figure 1

Study Sample and Exposure Characterization. Subjects were classified into four mutually exclusive feeding groups (primarily breast, early formula, early soy, late soy) based on age and duration of formula, milk and breastmilk feeding. Boxes contain the final study sample size, by exposure group, for subjects with complete exposure and outcome data. aother: formula/baby milk, goat’s milk, hypo-allergenic formula, follow-on milk, and cow’s milk. bunknown: data was insufficient to determine breast feeding duration or milk/formula use through 6 months. csoy: soy milk or soy formula. m: months.