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. Cohen-Silver, J, Adams, S, Agrawal, R, Birken, C, Cohen, E, Dougherty, G et al.. Development of the Pediatric Social Risk Instrument Using a Structured Panel Approach. Clin Pediatr (Phila). 2018; :9922818784959. doi: 10.1177/0009922818784959. PubMed PMID:30003793 .
  2. Satkunam, M, Anderson, LN, Carsley, S, Maguire, JL, Parkin, PC, Sprague, AE et al.. Severe obesity in children 17 to 24 months of age: a cross-sectional study of TARGet Kids! and Better Outcomes Registry & Network (BORN) Ontario. Can J Public Health. 2018; :. doi: 10.17269/s41997-018-0065-2. PubMed PMID:29981101 .
  3. Omand, JA, To, T, L O'Connor, D, Parkin, PC, Birken, CS, Thorpe, KE et al.. 25-hydroxyvitamin D and health service utilization for asthma in early childhood. Pediatr. Pulmonol. 2018; :. doi: 10.1002/ppul.24067. PubMed PMID:29905403 .
  4. Janus, M, Brownell, M, Reid-Westoby, C, Bennett, T, Birken, C, Coplan, R et al.. Establishing a protocol for building a pan-Canadian population-based monitoring system for early childhood development for children with health disorders: Canadian Children's Health in Context Study (CCHICS). BMJ Open. 2018;8 (5):e023688. doi: 10.1136/bmjopen-2018-023688. PubMed PMID:29844103 PubMed Central PMC5988180.
  5. Anderson, LN, Knight, JA, Hung, RJ, Hewko, SL, Seeto, RA, Martin, MJ et al.. The Ontario Birth Study: A prospective pregnancy cohort study integrating perinatal research into clinical care. Paediatr Perinat Epidemiol. 2018;32 (3):290-301. doi: 10.1111/ppe.12473. PubMed PMID:29750375 .
  6. Parkin, PC, Hamid, J, Borkhoff, CM, Abdullah, K, Atenafu, EG, Birken, CS et al.. Laboratory reference intervals in the assessment of iron status in young children. BMJ Paediatr Open. 2017;1 (1):e000074. doi: 10.1136/bmjpo-2017-000074. PubMed PMID:29637115 PubMed Central PMC5862219.
  7. Eny, KM, Chen, S, Anderson, LN, Chen, Y, Lebovic, G, Pullenayegum, E et al.. Breastfeeding duration, maternal body mass index, and birth weight are associated with differences in body mass index growth trajectories in early childhood. Am. J. Clin. Nutr. 2018;107 (4):584-592. doi: 10.1093/ajcn/nqx081. PubMed PMID:29635496 .
  8. Brett, NR, Parks, CA, Lavery, P, Agellon, S, Vanstone, CA, Kaufmann, M et al.. Vitamin D status and functional health outcomes in children aged 2-8 y: a 6-mo vitamin D randomized controlled trial. Am. J. Clin. Nutr. 2018;107 (3):355-364. doi: 10.1093/ajcn/nqx062. PubMed PMID:29566192 .
  9. Ryckman, K, Richmond, SA, Anderson, LN, Birken, CS, Parkin, PC, Macarthur, C et al.. Temperament and fracture in preschool-aged children. Paediatr Child Health. 2017;22 (4):195-198. doi: 10.1093/pch/pxx049. PubMed PMID:29479213 PubMed Central PMC5804933.
  10. Science, M, Maguire, JL, Russell, ML, Smieja, M, Walter, SD, Loeb, M et al.. Prevalence and predictors of low serum 25-hydroxyvitamin D levels in rural Canadian children. Paediatr Child Health. 2017;22 (3):125-129. doi: 10.1093/pch/pxx007. PubMed PMID:29479197 PubMed Central PMC5804950.
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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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