Jonathon Maguire

MD, FRCPC, MSc

Scientist

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 clinical practice. He is an Associate Professor of Pediatrics and Lawson Chair in Patient Engagement in Child Nutrition 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 Canadian Institutes of Health Research Foundation Grant and a CIHR/SPOR Innovative Clinical Trials Mentorship Chair.

Recent Publications

  1. Li, X, Kahane, A, Keown-Stoneman, CDG, Omand, JA, Borkhoff, CM, Lebovic, G et al.. Early childhood body mass index growth and school readiness: A longitudinal cohort study. Paediatr Perinat Epidemiol. 2024;38 (8):733-744. doi: 10.1111/ppe.13114. PubMed PMID:39607066 .
  2. Soczynska, I, da Costa, BR, O'Connor, DL, Jenkins, DJ, Birken, CS, Keown-Stoneman, CD et al.. A Systematic Review on the Impact of Plant-Based Milk Consumption on Growth and Nutrition in Children and Adolescents. J Nutr. 2024;154 (11):3446-3456. doi: 10.1016/j.tjnut.2024.09.010. PubMed PMID:39332772 .
  3. Kucab, M, Keown-Stoneman, CDG, Birken, C, Perlman, M, Parsons, J, Maguire, JL et al.. Centre-based childcare in early childhood and child obesity: systematic review and meta-analysis protocol. BMJ Open. 2024;14 (8):e078116. doi: 10.1136/bmjopen-2023-078116. PubMed PMID:39122383 PubMed Central PMC11404161.
  4. Korczak, DJ, Lo, RF, Rizeq, J, Crosbie, J, Charach, A, Anagnostou, E et al.. The trajectory of depression and anxiety among children and adolescents over two years of the COVID-19 pandemic. Psychiatry Res. 2024;339 :116101. doi: 10.1016/j.psychres.2024.116101. PubMed PMID:39068897 .
  5. Hodwitz, K, Wigle, J, Juando-Prats, C, Allan, K, Li, X, Fallon, B et al.. Physicians' perspectives on COVID-19 vaccinations for children: a qualitative exploration in Ontario, Canada. BMJ Open. 2024;14 (7):e081694. doi: 10.1136/bmjopen-2023-081694. PubMed PMID:39025822 PubMed Central PMC11288156.
  6. Schwenker, R, Alayli, A, Rasch, L, Ballmeyer, C, Maguire, JL, Cohen-Silver, J et al.. Screening for adverse social conditions in child healthcare settings: protocol for a systematic review. BMJ Open. 2024;14 (6):e081958. doi: 10.1136/bmjopen-2023-081958. PubMed PMID:38904138 PubMed Central PMC11191832.
  7. Cohen-Silver, J, Cost, K, Navarro, J, Maguire, JL. Pediatric psychoSocial Risk Index: Factor Analysis and Item Reduction Study. Hosp Pediatr. 2024;14 (6):. doi: 10.1542/hpeds.2023-007239. PubMed PMID:38712444 .
  8. To, T, Borkhoff, CM, Anderson, LN, Birken, CS, Dell, SD, Janus, M et al.. Association of factors with childhood asthma and allergic diseases using latent class analysis. Sci Rep. 2024;14 (1):6874. doi: 10.1038/s41598-024-56805-9. PubMed PMID:38519555 PubMed Central PMC10959981.
  9. Nickolls, BJ, Relton, C, Hemkens, L, Zwarenstein, M, Eldridge, S, McCall, SJ et al.. Randomised trials conducted using cohorts: a scoping review. BMJ Open. 2024;14 (3):e075601. doi: 10.1136/bmjopen-2023-075601. PubMed PMID:38458814 PubMed Central PMC10928784.
  10. Braat, S, Fielding, KL, Han, J, Jackson, VE, Zaloumis, S, Xu, JXH et al.. Haemoglobin thresholds to define anaemia from age 6 months to 65 years: estimates from international data sources. Lancet Haematol. 2024;11 (4):e253-e264. doi: 10.1016/S2352-3026(24)00030-9. PubMed PMID:38432242 PubMed Central PMC10983828.
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Affiliations & Other Activities

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