Jonathon Maguire

MD, FRCPC, MSc

Scientist, Li Ka Shing Knowledge Institute

Biography

Dr. Jonathon Maguire is an assistant professor of Pediatrics at the University of Toronto, a scientist in the Li Ka Shing Knowledge Institute of St. Michael’s Hospital and a staff pediatrician in the Department of Pediatrics at St. Michael’s Hospital with an active pediatric hospitalist and outpatient clinical practice. His research interests focus on clinical trials involving nutrition and development in young children as well as the creation of tools to facilitate evidence informed child health practice. He co-leads TARGet Kids!, the largest primary care research network for children in Canada. He has received a number of peer reviewed operating grants including a 2015 CIHR Foundation Grant as well as a several awards including the Samuel J. Fomon Young Physician Award from the American Society of Nutrition, the Canadian Paediatric Society Young Investigator Award, a Canadian Institutes of Health Research New Investigator Award and an Ontario Ministry of Research and Innovation Early Researcher Award.

Recent Publications

  1. Lee, GJ, Birken, CS, Parkin, PC, Lebovic, G, Chen, Y, L'Abbe, MR et al.. Goat's milk, plant-based milk, cow's milk and serum 25-hydroxyvitamin D levels in early childhood. Epidemiology. 2016; :. doi: 10.1097/EDE.0000000000000490. PubMed PMID:27046131 .
  2. De Souza, LR, Retnakaran, R, Berger, H, Nathens, AB, Maguire, JL, Connelly, PW et al.. First-trimester maternal abdominal adiposity and adiponectin in pregnancy. Diabet. Med. 2016; :. doi: 10.1111/dme.13128. PubMed PMID:27028232 .
  3. De Souza, LR, Berger, H, Retnakaran, R, Vlachou, PA, Maguire, JL, Nathens, AB et al.. Non-Alcoholic Fatty Liver Disease in Early Pregnancy Predicts Dysglycemia in Mid-Pregnancy: Prospective Study. Am. J. Gastroenterol. 2016; :. doi: 10.1038/ajg.2016.43. PubMed PMID:26977755 .
  4. Darmawikarta, D, Chen, Y, Lebovic, G, Birken, CS, Parkin, PC, Maguire, JL et al.. Total Duration of Breastfeeding, Vitamin D Supplementation, and Serum Levels of 25-Hydroxyvitamin D. Am J Public Health. 2016;106 (4):714-9. doi: 10.2105/AJPH.2015.303021. PubMed PMID:26890167 .
  5. Carsley, S, Liang, LY, Chen, Y, Parkin, P, Maguire, J, Birken, CS et al.. The impact of daycare attendance on outdoor free play in young children. J Public Health (Oxf). 2016; :. doi: 10.1093/pubmed/fdw006. PubMed PMID:26860698 .
  6. Cox, KA, Parkin, PC, Anderson, LN, Chen, Y, Birken, CS, Maguire, JL et al.. Association Between Meat and Meat-Alternative Consumption and Iron Stores in Early Childhood. Acad Pediatr. 2016; :. doi: 10.1016/j.acap.2016.01.003. PubMed PMID:26804490 .
  7. Pai, N, Kandasamy, S, Uleryk, E, Maguire, JL. Social Risk Screening for Pediatric Inpatients. Clin Pediatr (Phila). 2015; :. doi: 10.1177/0009922815623498. PubMed PMID:26712932 .
  8. Brett, NR, Lavery, P, Agellon, S, Vanstone, CA, Maguire, JL, Rauch, F et al.. Dietary vitamin D dose-response in healthy children 2 to 8 y of age: a 12-wk randomized controlled trial using fortified foods. Am. J. Clin. Nutr. 2016;103 (1):144-52. doi: 10.3945/ajcn.115.115956. PubMed PMID:26675772 .
  9. Anderson, LN, Lebovic, G, Hamilton, J, Hanley, AJ, McCrindle, BW, Maguire, JL et al.. Body Mass Index, Waist Circumference, and the Clustering of Cardiometabolic Risk Factors in Early Childhood. Paediatr Perinat Epidemiol. 2016;30 (2):160-70. doi: 10.1111/ppe.12268. PubMed PMID:26645704 .
  10. Sarker, H, Anderson, LN, Borkhoff, CM, Abreo, K, Tremblay, MS, Lebovic, G et al.. Validation of parent-reported physical activity and sedentary time by accelerometry in young children. BMC Res Notes. 2015;8 :735. doi: 10.1186/s13104-015-1648-0. PubMed PMID:26621253 PubMed Central PMC4666154.
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Affiliations & Other Activities

  • Staff Pediatrician, Department of Pediatrics, St. Michael’s Hospital
  • Assistant professor of Pediatrics, University of Toronto