Abstract
Iodine deficiency is a contributing factor to delayed development. The effectiveness of iodized salt programs to eliminate this effect has not been studied in young children. 1726 infants 6 to 10 mo old were exhaustively sampled in 60 randomly selected villages in the Amhara region, Ethiopia. Median urinary iodine excretion was low at 17.0 μg/L; 11 infants had a palpable goiter. 39% of households reported a member with a history of visible goiter. Goiter in the infant was negatively associated with the Bayley cognitive score. Education of household head and mother, home stimulation, and infant weight and length were positively associated with child cognitive, receptive and expressive language, and fine motor Bayley scores. Sanitation and hygiene composite variable was positively associated with receptive and expressive language, and fine motor scores. Correlations were significant (p<0.01) but only sanitation and hygiene and expressive language correlation reached a small effect size (r=0.1). Iodine deficiency is a public health issue and infant developmental outcomes were associated with stimulation, socioeconomic status, and anthropometry, and goiter. [Funded by Micronutrient Initiative, Canada]Grant Funding Source: Micronutrient Intiative
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