Jonathon Maguire

MD, FRCPC, MSc

Scientist, Li Ka Shing Knowledge Institute

Biography

Dr. Jonathon Maguire is 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. He is also an Associate Professor of Pediatrics at the University of Toronto. 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 Canadian Institutes of Health Research 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. Janus, M, Reid-Westoby, C, Lee, C, Brownell, M, Maguire, JL. Association between severe unaddressed dental needs and developmental health at school entry in Canada: a cross-sectional study. BMC Pediatr. 2019;19 (1):481. doi: 10.1186/s12887-019-1868-x. PubMed PMID:31810457 .
  2. Joshi, E, Mighton, C, Clausen, M, Casalino, S, Kim, THM, Kowal, C et al.. Primary care provider perspectives on using genomic sequencing in the care of healthy children. Eur. J. Hum. Genet. 2019; :. doi: 10.1038/s41431-019-0547-6. PubMed PMID:31804631 .
  3. Carsley, S, Fu, R, Borkhoff, CM, Reid, N, Baginska, E, Birken, CS et al.. Iron deficiency screening for children at 18 months: a cost-utility analysis. CMAJ Open. ;7 (4):E689-E698. doi: 10.9778/cmajo.20190084. PubMed PMID:31796510 .
  4. Birken, CS, Omand, JA, Nurse, KM, Borkhoff, CM, Koroshegyi, C, Lebovic, G et al.. Fit for School Study protocol: early child growth, health behaviours, nutrition, cardiometabolic risk and developmental determinants of a child's school readiness, a prospective cohort. BMJ Open. 2019;9 (11):e030709. doi: 10.1136/bmjopen-2019-030709. PubMed PMID:31748293 PubMed Central PMC6886995.
  5. Allison, R, Birken, CSB, Lebovic, G, Howard, A, L'Abbe, M, Morency, ME et al.. Early Childhood Cow's Milk Consumption and Fracture Risk: A Prospective Cohort Study. Am. J. Epidemiol. 2019; :. doi: 10.1093/aje/kwz216. PubMed PMID:31712819 .
  6. Parkin, PC, Koroshegyi, C, Mamak, E, Borkhoff, CM, Birken, CS, Maguire, JL et al.. Association between Serum Ferritin and Cognitive Function in Early Childhood. J. Pediatr. 2019; :. doi: 10.1016/j.jpeds.2019.09.051. PubMed PMID:31685227 .
  7. Vanderhout, SM, Juando-Prats, C, Birken, CS, Thorpe, KE, Maguire, JL. A qualitative study to understand parent and physician perspectives about cow's milk fat for children. Public Health Nutr. 2019;22 (16):3017-3024. doi: 10.1017/S136898001900243X. PubMed PMID:31474236 .
  8. Omand, JA, Maguire, JL, O'Connor, DL, Parkin, PC, Birken, CS, Thorpe, KE et al.. Agreement between a health claims algorithm and parent-reported asthma in young children. Pediatr. Pulmonol. 2019;54 (10):1547-1556. doi: 10.1002/ppul.24432. PubMed PMID:31332948 .
  9. Wong, VCH, Maguire, JL, Omand, JA, Dai, DWH, Lebovic, G, Parkin, PC et al.. A Positive Association Between Dietary Intake of Higher Cow's Milk-Fat Percentage and Non-High-Density Lipoprotein Cholesterol in Young Children. J. Pediatr. 2019;211 :105-111.e2. doi: 10.1016/j.jpeds.2019.03.047. PubMed PMID:31104850 .
  10. Carsley, S, Parkin, PC, Tu, K, Pullenayegum, E, Persaud, N, Maguire, JL et al.. Reliability of routinely collected anthropometric measurements in primary care. BMC Med Res Methodol. 2019;19 (1):84. doi: 10.1186/s12874-019-0726-8. PubMed PMID:31014250 PubMed Central PMC6480730.
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Affiliations & Other Activities

  • Staff Pediatrician, Department of Pediatrics, St. Michael’s Hospital
  • Associate Professor, Department of Pediatrics, University of Toronto
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