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. Bayoumi, I, Birken, CS, Nurse, KM, Parkin, PC, Maguire, JL, Macarthur, C et al.. Screening for marginal food security in young children in primary care. BMC Pediatr. 2021;21 (1):196. doi: 10.1186/s12887-021-02674-4. PubMed PMID:33892660 PubMed Central PMC8063438.
  2. Jolliffe, DA, Camargo, CA Jr, Sluyter, JD, Aglipay, M, Aloia, JF, Ganmaa, D et al.. Vitamin D supplementation to prevent acute respiratory infections: a systematic review and meta-analysis of aggregate data from randomised controlled trials. Lancet Diabetes Endocrinol. 2021;9 (5):276-292. doi: 10.1016/S2213-8587(21)00051-6. PubMed PMID:33798465 .
  3. Massara, P, Keown-Stoneman, CDG, Erdman, L, Ohuma, EO, Bourdon, C, Maguire, JL et al.. Identifying longitudinal-growth patterns from infancy to childhood: a study comparing multiple clustering techniques. Int J Epidemiol. 2021; :. doi: 10.1093/ije/dyab021. PubMed PMID:33693803 .
  4. Cost, KT, Crosbie, J, Anagnostou, E, Birken, CS, Charach, A, Monga, S et al.. Mostly worse, occasionally better: impact of COVID-19 pandemic on the mental health of Canadian children and adolescents. Eur Child Adolesc Psychiatry. 2021; :. doi: 10.1007/s00787-021-01744-3. PubMed PMID:33638005 PubMed Central PMC7909377.
  5. Dennis, CL, Marini, F, Dick, JA, Atkinson, S, Barrett, J, Bell, R et al.. Protocol for a randomised trial evaluating a preconception-early childhood telephone-based intervention with tailored e-health resources for women and their partners to optimise growth and development among children in Canada: a Healthy Life Trajectory Initiative (HeLTI Canada). BMJ Open. 2021;11 (2):e046311. doi: 10.1136/bmjopen-2020-046311. PubMed PMID:33568380 PubMed Central PMC7878148.
  6. Parkin, PC, Borkhoff, CM, Macarthur, C, Abdullah, K, Birken, CS, Fehlings, D et al.. Randomized Trial of Oral Iron and Diet Advice versus Diet Advice Alone in Young Children with Nonanemic Iron Deficiency. J Pediatr. 2021; :. doi: 10.1016/j.jpeds.2021.01.073. PubMed PMID:33548262 .
  7. Vanderhout, SM, Birken, CS, Wong, P, Kelleher, S, Weir, S, Maguire, JL et al.. Family perspectives of COVID-19 research. Res Involv Engagem. 2020;6 (1):69. doi: 10.1186/s40900-020-00242-1. PubMed PMID:33292759 PubMed Central PMC7703500.
  8. Jolliffe, DA, Camargo, CA Jr, Sluyter, JD, Aglipay, M, Aloia, JF, Ganmaa, D et al.. Vitamin D supplementation to prevent acute respiratory infections: systematic review and meta-analysis of aggregate data from randomised controlled trials. medRxiv. 2020; :. doi: 10.1101/2020.07.14.20152728. PubMed PMID:33269357 PubMed Central PMC7709175.
  9. Jamnik, J, Keown-Stoneman, C, Eny, KM, Maguire, JL, Birken, CS, TARGet Kids! Collaboration et al.. Mealtime media use and cardiometabolic risk in children. Public Health Nutr. 2020; :1-10. doi: 10.1017/S1368980020003821. PubMed PMID:33263271 .
  10. Li, X, Keown-Stoneman, CDG, Lebovic, G, Maguire, JL, Omand, JA, Sievenpiper, JL et al.. Body Mass Index Mediates the Association between Growth Trajectories and Cardiometabolic Risk in Children. Child Obes. 2021;17 (1):36-42. doi: 10.1089/chi.2020.0143. PubMed PMID:33252262 .
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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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