Charles Keown-Stoneman




Dr. Charles (Charlie) Keown-Stoneman is an Investigator/Biostatistician in the Applied Health Research Centre at St. Michael’s Hospital and an Assistant Professor of Biostatistics in the Dalla Lana School of Public Health at the University of Toronto. Dr. Keown-Stoneman received his PhD and MSc in Applied Statistics and BSc in Biological Science from the University of Guelph. Dr. Keown-Stoneman has experience providing statistical support for various research teams across Canada, and was a visiting academic at the University of Oxford. He also has experience teaching undergraduate and graduate statistics courses, and working with graduate students on various committees. In his current role at the AHRC, Dr. Keown-Stoneman provides statistical analysis and support for observational studies and randomized trials. Currently, Dr. Keown-Stoneman is mainly working within the TARGetKids! research group, investigating impacts on the health and nutrition of healthy children within Canada. During the COVID-19 pandemic, Dr. Keown-Stoneman has been directly involved in the rapid roll-out of the TARGetKids COVID study, which is monitoring and assessing the short and long term impacts of the pandemic and its repercussions on children and their families. His research interests include survival analysis, multi-state models, and longitudinal data analysis.

Recent Publications

  1. Deveci, AC, Keown-Stoneman, CDG, Maguire, JL, O'Connor, DL, Anderson, LN, Dennis, CL et al.. Paternal BMI in the preconception period, and the association with child zBMI. Int J Obes (Lond). 2023; :. doi: 10.1038/s41366-023-01261-0. PubMed PMID:36737513 .
  2. Deveci, AC, Keown-Stoneman, CDG, Maguire, JL, O'Connor, DL, Anderson, LN, Dennis, CL et al.. Maternal BMI in the preconception period, and association with child zBMI growth rates. Pediatr Obes. 2022; :e12999. doi: 10.1111/ijpo.12999. PubMed PMID:36573480 .
  3. Duffy, A, Keown-Stoneman, C. Staging the bipolar disorders: Are early stages too early a stage for intervention?. Bipolar Disord. 2022; :. doi: 10.1111/bdi.13281. PubMed PMID:36479794 .
  4. Nurse, KM, Janus, M, Birken, CS, Keown-Stoneman, CDG, Omand, JA, Maguire, JL et al.. Predictive Validity of the Infant Toddler Checklist in Primary Care at the 18-month Visit and School Readiness at 4 to 6 Years. Acad Pediatr. 2022; :. doi: 10.1016/j.acap.2022.09.004. PubMed PMID:36122830 .
  5. Samtani, B, Gray, N, Omand, J, Keown-Stoneman, C, Aglipay, M, Birken, C et al.. Early Life Antibiotic Prescription for Upper Respiratory Tract Infection Is Associated With Higher Antibiotic Use in Childhood. J Pediatric Infect Dis Soc. 2022;11 (12):559-564. doi: 10.1093/jpids/piac095. PubMed PMID:36067011 PubMed Central PMC9795472.
  6. Wu, LC, Hattangadi, N, Keown-Stoneman, CDG, Maguire, JL, Birken, CS, Stremler, R et al.. Sleep Duration and Internalizing Symptoms in Children. J Can Acad Child Adolesc Psychiatry. 2022;31 (3):115-123. . PubMed PMID:35919906 PubMed Central PMC9275369.
  7. South, CA, Keown-Stoneman, CDG, Birken, CS, Malik, VS, Zlotkin, SH, Maguire, JL et al.. Underweight in the First 2 Years of Life and Growth in Later Childhood. JAMA Netw Open. 2022;5 (7):e2224417. doi: 10.1001/jamanetworkopen.2022.24417. PubMed PMID:35904782 PubMed Central PMC9338407.
  8. Omand, JA, Li, X, Keown-Stoneman, CDG, Borkhoff, CM, Duku, E, Lebovic, G et al.. Body Weight at Age Four Years and Readiness to Start School: A Prospective Cohort Study. Child Obes. 2022; :. doi: 10.1089/chi.2022.0018. PubMed PMID:35834646 .
  9. Yoshida-Montezuma, Y, Sivapathasundaram, B, Brown, HK, Keown-Stoneman, C, de Souza, RJ, To, T et al.. Association of Late Preterm Birth and Size for Gestational Age With Cardiometabolic Risk in Childhood. JAMA Netw Open. 2022;5 (5):e2214379. doi: 10.1001/jamanetworkopen.2022.14379. PubMed PMID:35622362 PubMed Central PMC9142868.
  10. Jegathesan, T, Ray, JG, Keown-Stoneman, CDG, Campbell, DM, Shah, V, Berger, H et al.. Pre-phototherapy total serum bilirubin levels in extremely preterm infants. Pediatr Res. 2023;93 (1):226-232. doi: 10.1038/s41390-022-02065-0. PubMed PMID:35523883 .
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Affiliations & Other Activities

Assistant Professor, Dalla Lana School of Public Health, University of Toronto