Jonathon L Maguire

Summary

Affiliation: University of Toronto
Country: Canada

Publications

  1. pmc DO IT Trial: vitamin D Outcomes and Interventions in Toddlers - a TARGet Kids! randomized controlled trial
    Jonathon L Maguire
    The Applied Health Research Centre of the Li Ka Shing Knowledge Institute of St, Michael s Hospital, University of Toronto, Toronto, Ontario, Canada
    BMC Pediatr 14:37. 2014
  2. doi Association between total duration of breastfeeding and iron deficiency
    Jonathon L Maguire
    Department of Pediatrics, St Michael s Hospital, Toronto ON M5B 1W8 Canada
    Pediatrics 131:e1530-7. 2013
  3. doi Modifiable determinants of serum 25-hydroxyvitamin D status in early childhood: opportunities for prevention
    Jonathon L Maguire
    Department of Pediatrics, St Michael s Hospital, 30 Bond St, 15 014 Cardinal Carter, Toronto, Ontario, Canada
    JAMA Pediatr 167:230-5. 2013
  4. doi The relationship between cow's milk and stores of vitamin D and iron in early childhood
    Jonathon L Maguire
    The Applied Health Research Centre of the Li Ka Shing Knowledge Institute of St Michael s Hospital, University of Toronto, Toronto, Ontario, Canada
    Pediatrics 131:e144-51. 2013
  5. doi Clinical prediction rules for children: a systematic review
    Jonathon L Maguire
    Department of Pediatrics, Li Ka Shing Knowledge Institute, St Michael s Hospital, Toronto, Ontario, Canada
    Pediatrics 128:e666-77. 2011
  6. doi Office-based intervention to reduce bottle use among toddlers: TARGet Kids! Pragmatic, randomized trial
    Jonathon L Maguire
    Applied Health Research Centre, Li Ka Shing Knowledge Institute, Department of Pediatrics, St Michael s Hospital, Toronto, Ontario, Canada
    Pediatrics 126:e343-50. 2010
  7. pmc An internal pilot study for a randomized trial aimed at evaluating the effectiveness of iron interventions in children with non-anemic iron deficiency: the OptEC trial
    Kawsari Abdullah
    Division of Pediatric Medicine, Department of Pediatrics, Pediatrics Outcomes Research Team, The Hospital for Sick Children, Room 109708, 10th Floor, 555 University Avenue, M5G 1X8, Toronto, ON, Canada
    Trials 16:303. 2015
  8. doi Non-Western immigrant children have lower 25-hydroxyvitamin D than children from Western families
    Jessica A Omand
    1Department of Nutritional Sciences, University of Toronto, Toronto, ON, Canada
    Public Health Nutr 17:1547-54. 2014
  9. pmc Association between Vitamin D and Circulating Lipids in Early Childhood
    Catherine S Birken
    Pediatric Outcomes Research Team PORT, Division of Paediatric Medicine, Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada Department of Pediatrics, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada Institute for Health Policy, Management and Evaluation, University of Toronto, Toronto, Ontario, Canada
    PLoS ONE 10:e0131938. 2015
  10. doi Body Mass Index, Waist Circumference, and the Clustering of Cardiometabolic Risk Factors in Early Childhood
    Laura N Anderson
    Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario, Canada
    Paediatr Perinat Epidemiol 30:160-70. 2016

Collaborators

Detail Information

Publications26

  1. pmc DO IT Trial: vitamin D Outcomes and Interventions in Toddlers - a TARGet Kids! randomized controlled trial
    Jonathon L Maguire
    The Applied Health Research Centre of the Li Ka Shing Knowledge Institute of St, Michael s Hospital, University of Toronto, Toronto, Ontario, Canada
    BMC Pediatr 14:37. 2014
    ....
  2. doi Association between total duration of breastfeeding and iron deficiency
    Jonathon L Maguire
    Department of Pediatrics, St Michael s Hospital, Toronto ON M5B 1W8 Canada
    Pediatrics 131:e1530-7. 2013
    ..To determine whether there is an association between the total breastfeeding duration and iron stores, iron deficiency, and iron deficiency anemia in healthy urban children...
  3. doi Modifiable determinants of serum 25-hydroxyvitamin D status in early childhood: opportunities for prevention
    Jonathon L Maguire
    Department of Pediatrics, St Michael s Hospital, 30 Bond St, 15 014 Cardinal Carter, Toronto, Ontario, Canada
    JAMA Pediatr 167:230-5. 2013
    ..CONCLUSION Two modifiable dietary intake variables (vitamin D supplementation and cow's milk intake) are the most important determinants of 25-hydroxyvitamin D status in early childhood...
  4. doi The relationship between cow's milk and stores of vitamin D and iron in early childhood
    Jonathon L Maguire
    The Applied Health Research Centre of the Li Ka Shing Knowledge Institute of St Michael s Hospital, University of Toronto, Toronto, Ontario, Canada
    Pediatrics 131:e144-51. 2013
    ..To examine the association between cow's milk intake on both vitamin D and iron stores in healthy urban preschoolers...
  5. doi Clinical prediction rules for children: a systematic review
    Jonathon L Maguire
    Department of Pediatrics, Li Ka Shing Knowledge Institute, St Michael s Hospital, Toronto, Ontario, Canada
    Pediatrics 128:e666-77. 2011
    ..The degree to which clinical prediction rules (CPRs) for children meet published standards is unclear...
  6. doi Office-based intervention to reduce bottle use among toddlers: TARGet Kids! Pragmatic, randomized trial
    Jonathon L Maguire
    Applied Health Research Centre, Li Ka Shing Knowledge Institute, Department of Pediatrics, St Michael s Hospital, Toronto, Ontario, Canada
    Pediatrics 126:e343-50. 2010
    ..The goal was to determine whether an office-based, educational intervention for parents of 9-month-old children could reduce bottle use and iron depletion at 2 years of age...
  7. pmc An internal pilot study for a randomized trial aimed at evaluating the effectiveness of iron interventions in children with non-anemic iron deficiency: the OptEC trial
    Kawsari Abdullah
    Division of Pediatric Medicine, Department of Pediatrics, Pediatrics Outcomes Research Team, The Hospital for Sick Children, Room 109708, 10th Floor, 555 University Avenue, M5G 1X8, Toronto, ON, Canada
    Trials 16:303. 2015
    ....
  8. doi Non-Western immigrant children have lower 25-hydroxyvitamin D than children from Western families
    Jessica A Omand
    1Department of Nutritional Sciences, University of Toronto, Toronto, ON, Canada
    Public Health Nutr 17:1547-54. 2014
    ..To determine if children aged 1-6 years from non-Western immigrant families have lower serum 25-hydroxyvitamin D (25(OH)D) levels than children from Western-born families and examine which factors influence this relationship...
  9. pmc Association between Vitamin D and Circulating Lipids in Early Childhood
    Catherine S Birken
    Pediatric Outcomes Research Team PORT, Division of Paediatric Medicine, Department of Paediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada Department of Pediatrics, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada Institute for Health Policy, Management and Evaluation, University of Toronto, Toronto, Ontario, Canada
    PLoS ONE 10:e0131938. 2015
    ..25(OH)D concentrations were inversely associated with circulating lipids in early childhood, suggesting that vitamin D exposure in early life may be an early modifiable risk factor for cardiovascular disease. ..
  10. doi Body Mass Index, Waist Circumference, and the Clustering of Cardiometabolic Risk Factors in Early Childhood
    Laura N Anderson
    Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario, Canada
    Paediatr Perinat Epidemiol 30:160-70. 2016
    ..Our aim was to evaluate the associations between body mass index (BMI) and waist circumference (WC) in relation to cardiometabolic risk factors and to explore the clustering of these factors...
  11. pmc Cohort Profile: The Applied Research Group for Kids (TARGet Kids!)
    Sarah Carsley
    Pediatric Outcomes Research Team, Department of Pediatrics, Hospital for Sick Children, Toronto, ON, Canada
    Int J Epidemiol 44:776-88. 2015
    ..All data are collected at each well-child visit: twice a year until age 2 and every year until age 10. Information can be found at: http://www.targetkids.ca/contact-us/. ..
  12. pmc Prevalence and predictors of low vitamin D concentrations in urban Canadian toddlers
    Jonathon L Maguire
    Department of Pediatrics, St Michael s Hospital
    Paediatr Child Health 16:e11-5. 2011
    ....
  13. pmc Serum 25-hydroxyvitamin d level and influenza vaccine immunogenicity in children and adolescents
    Michelle Science
    Division of Infectious Diseases, The Hospital for Sick Children, Toronto, Ontario, Canada Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario, Canada
    PLoS ONE 9:e83553. 2014
    ..The purpose of this study was to determine if serum 25(OH)D level correlates with influenza vaccine immunogenicity in children and adolescents...
  14. pmc Association between serum cholesterol and eating behaviours during early childhood: a cross-sectional study
    Navindra Persaud
    Keenan Research Centre, Li Ka Shing Knowledge Institute, Toronto, Ont nav persaud utoronto ca
    CMAJ 185:E531-6. 2013
    ..Our objective was to determine whether young children's eating behaviours were associated with increased risk of cardiovascular disease in later life...
  15. doi Objectively measured physical activity of young Canadian children using accelerometry
    Cornelia M Borkhoff
    a Division of Pediatric Medicine and the Pediatric Outcomes Research Team PORT, The Hospital for Sick Children, Toronto, ON M5G 1X8, Canada
    Appl Physiol Nutr Metab 40:1302-8. 2015
    ..Only 13% of children ≥5 years met their age-specific PA guidelines. Further research is needed to develop, test, and implement effective strategies to promote PA and reduce sedentary behaviour in very young children. ..
  16. doi First-Trimester Maternal Abdominal Adiposity Predicts Dysglycemia and Gestational Diabetes Mellitus in Midpregnancy
    Leanne R De Souza
    Department of Obstetrics and Gynecology, St Michael s Hospital, Toronto, ON, Canada Institute of Medical Science, University of Toronto, Toronto, ON, Canada
    Diabetes Care 39:61-4. 2016
    ..This study assessed the association between first-trimester abdominal adiposity and dysglycemia and gestational diabetes mellitus (GDM) in midpregnancy...
  17. pmc Optimizing early child development for young children with non-anemic iron deficiency in the primary care practice setting (OptEC): study protocol for a randomized controlled trial
    Kawsari Abdullah
    Pediatric Outcomes Research Team, Division of Pediatric Medicine, Department of Pediatrics, The Hospital for Sick Children, 555 University Avenue, M5G 1X8, Toronto, Canada
    Trials 16:132. 2015
    ....
  18. doi Evaluating the accuracy of a geographic closed-ended approach to ethnicity measurement, a practical alternative
    Jessica A Omand
    Department of Nutritional Sciences, University of Toronto, Canada Department of Pediatrics, St Michael s Hospital, Toronto, Canada Keenan Research Centre of the Li Ka Shing Knowledge Institute of St Michael s Hospital, Toronto, Canada Electronic address
    Ann Epidemiol 24:246-53. 2014
    ....
  19. doi Severe iron-deficiency anaemia and feeding practices in young children
    Patricia C Parkin
    1Pediatric Outcomes Research Team, Division of Pediatric Medicine, The Hospital for Sick Children, 555 University Avenue, Toronto, ON M5G 1X8, Canada
    Public Health Nutr 19:716-22. 2016
    ..The objectives of the present study were to describe the characteristics of young children with severe IDA and examine modifiable risk factors in a developed-country setting...
  20. pmc Total Duration of Breastfeeding, Vitamin D Supplementation, and Serum Levels of 25-Hydroxyvitamin D
    Denise Darmawikarta
    Denise Darmawikarta, Yang Chen, Gerald Lebovic, and Jonathan L Maguire are with the Applied Health Research Centre, Li Ka Shing Knowledge Institute of St Michael s Hospital, University of Toronto, Toronto, Ontario, Canada Catherine S Birken, Patricia C Parkin, and Jonathon L Maguire are with the Department of Pediatrics, Hospital for Sick Children, Toronto, and the Department of Pediatrics, University of Toronto
    Am J Public Health 106:714-9. 2016
    ..To determine the association between total breastfeeding duration and serum 25-hydroxyvitamin D (25-OHD) and to explore whether vitamin D supplementation influences this association...
  21. doi Does this child have bacterial meningitis? A systematic review of clinical prediction rules for children with suspected bacterial meningitis
    Dina M Kulik
    Division of Paediatric Emergency Medicine, Hospital for Sick Children, Toronto, Ontario, Canada
    J Emerg Med 45:508-19. 2013
    ..Identifying which children are most likely to have bacterial meningitis vs. self-limiting aseptic meningitis is important, as these children require investigation and antibiotic treatment...
  22. doi Does this child have appendicitis? A systematic review of clinical prediction rules for children with acute abdominal pain
    Dina M Kulik
    Division of Paediatric Emergency Medicine, Hospital for Sick Children, 555 University Avenue, Toronto, Ontario M5G 1X8, Canada
    J Clin Epidemiol 66:95-104. 2013
    ..To systematically identify clinical prediction rules (CPRs) for children with suspected appendicitis and compare their methodological quality and performance...
  23. doi Should a head-injured child receive a head CT scan? A systematic review of clinical prediction rules
    Jonathon L Maguire
    Division of Pediatric Medicine and the Pediatric Outcomes Research Team PORT, Hospital for Sick Children, Toronto, Ontario, Canada
    Pediatrics 124:e145-54. 2009
    ..A high-quality and high-performing clinical prediction rule may reduce this uncertainty...
  24. pmc Parents' perception of stroller use in young children: a qualitative study
    Catherine S Birken
    Hospital for Sick Children, Toronto, ON, Canada
    BMC Public Health 15:808. 2015
    ..The objectives of this study were to understand the context of stroller use for young children and parents' perceptions of the relationship between stroller use and their children's physical activity...
  25. pmc Low serum 25-hydroxyvitamin D level and risk of upper respiratory tract infection in children and adolescents
    Michelle Science
    Division of Infectious Diseases, The Hospital for Sick Children, Toronto, Canada
    Clin Infect Dis 57:392-7. 2013
    ..The purpose of this study was to determine if serum 25-hydroxyvitamin D (25(OH)D) was associated with laboratory-confirmed viral respiratory tract infections (RTIs) in children...
  26. ncbi Abdominal adiposity and insulin resistance in early pregnancy
    Leanne R De Souza
    Department of Obstetrics and Gynecology, St Michael s Hospital, Toronto ON Institute of Medical Science, University of Toronto, Toronto ON
    J Obstet Gynaecol Can 36:969-75. 2014
    ..We assessed the association between abdominal adiposity in early pregnancy and IR...