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Dr Philippa Rees
1st Floor (PPP)
30 Guilford Street
Tel: 07794669436
Dr Philippa Rees profile picture
  • Clinical Research Fellow
  • Population, Policy & Practice Dept
  • UCL GOS Institute of Child Health
  • Faculty of Pop Health Sciences

Dr Rees is an NIHR Doctoral Fellow and paediatrician with an interest in improving population child health through leveraging routine data to inform policy and practice. As part of her NIHR award Dr Rees leads the CHERuB study (NIHR 301457). The CHERuB study will harness and link several national datasets to establish a population matched cohort study, enabling the exploration of long-term health and educational outcomes of children after perinatal brain injury.

Dr Rees' interest in clinical academia first arose during her intercalated Epidemiology BSc, on realising the potential for research to influence the health of a whole population. This led to her undertaking an MPhil exploring paediatric care quality using a mixed-methods approach with a large national dataset. In parallel, she contributed to a wider NIHR-funded study of primary care safety (HS&DR 12/64/118). Dr Rees' role included leading the paediatric workstream and developing novel methods to analyse safety data.  The methods and coding taxonomy developed during this project are now used internationally by researchers and are considered a significant methodological advance in the field. As such, Dr Rees holds an honorary clinical lectureship at Cardiff University where she leads the team’s paediatric agenda on value-based healthcare, supervises BSc students, lectures, and writes grants.

Research Summary

As her interest in population child health developed, the importance of early-years exposures on later health became increasingly apparent. As such, Dr Rees has led and completed several systematic reviews and meta-analyses (including an individual participant data meta-analysis) focused on early-years exposures. They address questions around child abuse detection, the health implications of screen-time, and outcomes after neonatal abstinence syndrome. Through effective public engagement, these reviews have had a significant impact: two had Altmetric scores in the top 100 globally and one was selected for a plenary presentation at the RCPCH conference 2020. They have informed international recommendations on child abuse detection and screen-time limits.


Since 2017 Dr Rees have also overseen a randomised controlled trial of SMS behavioural ‘Nudges’ to optimise paediatric outpatient attendance: utilising my improvement science expertise whilst handling routine data (electronic medical records).


During her NIHR Academic Clinical Fellowship Dr Rees led a population study of healthcare utilisation associated with Neonatal Abstinence Syndrome utilising the National Neonatal Research Database. This work was awarded a prestigious ‘Society for Pediatric Research’ Award.

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