| Summary: | Abstract Background Iron deficiency in early childhood has been associated with poor developmental outcomes. Little is known about the nutritional health of young children receiving care at Canadian Community Health Centres (CHCs). Our objectives were to describe iron deficiency among toddlers at an Ontario CHC, to compare young children attending CHCs and non-CHCs, and assess the feasibility of conducting research on children in CHC settings. Methods One CHC, Kingston Community Health Centres (CHC) with two clinical sites and one community programming site was added to the nine non-CHC pediatric and primary care clinics in the existing TARGet Kids! research network. A cross-sectional feasibilitystudy was conducted.and. Healthy children, ages 12–36 months were Enrolled. iron deficiency without inflammation (ferritin< 14 μg/L and CRP < 10 mg/L) and serum ferritin were assessed. Adjusted multivariable regression analyses were used to evaluate an association between CHC enrolment and iron status. Results The CHC cohort (n = 31) was older, had lower household income, lower maternal education, higher nutrition risk scores, higher cow’s milk intake, shorter breastfeeding duration and higher prevalence of unhealthy weights compared with the non-CHC cohort (n = 875). There was no association between CHC status and serum ferritin (difference in median serum ferritin 4.78 μg/L, 95% confidence interval [CI] -2.5, 14.3, p = 0.22) or iron deficiency (OR 0.55, 95% CI 0.11, − 2.73, p = 0.46) using multivariable linear and logistic regression, respectively. Conclusion Despite differences in sociodemographic variables, we did not detect a difference in iron status between toddlers enrolled at CHCs compared to non-CHC settings. Further research is needed to understand the health effects of poverty generally, and iron deficiency specifically among children receiving care at CHCs.
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