Free sugar consumption was measured in children enrolled in the Barwon Infant Study at age 18-months and 4-years. The exposure, free sugar intake was quantified as continuous and binary variables indicating less than 5% of total energy intake (TEI) at 18-months and 4-years of age. The prevalence of dental caries was obtained from dental records. Multiple logistic regression estimated the effect of the exposure variables on the presence of dental caries at 4-6 years of age, adjusting for potential confounders.
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