Readability and Content Characteristics of Powdered Infant Formula Instructions in the United States.

Abstract

This study aimed to assess readability characteristics and layout features, including reading grade level, text point size, dimensions (length and width), diagrams, key directions (warnings, proper hygiene, preparation and use, and storage), and compliance to International Code provisions of English-language instructions affixed to a representative sample of brand-name and generic powdered, infant formula containers currently available for purchase in the US.