Abstract
Protein, iron, zinc, and choline affect early brain development and are found in beef. The aims of this study were to describe (1) early feeding practices related to introduction of beef in the rural US west (Idaho); (2) parental perceptions of beef as a first food, and (3) associations between early beef consumption and child cognition at 1-5 years. A total of 61 children and their parents were enrolled. Parents completed a survey and a food frequency questionnaire to assess perceptions of beef and early feeding practices along with their child's dietary intake at 6-12 months. Children's cognitive function was assessed using the Bayley-4 Scales of Infant and Toddler Development (12-35 months) and the NIH Toolbox for Assessment of Neurological and Behavioral Function (NIHTB) (3-5 years). Parents introduced beef at 7.79 ± 2.65 months of age, primarily so that their children could eat what the family was eating. Higher intake of beef (r = 0.41, p = 0.02), zinc (r = 0.45, p = 0.01), and choline (r = 0.39, p = 0.03) at 6-12 months was associated with better attention and inhibitory control at 3-5 years of age. These findings support the role of beef as an early food for cognitive development, although controlled dietary intervention studies are needed.
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