Dr David K. Humphreys

Research Associate/ Career Development Fellow

Dr David K. HumphreysDavid has now left CEDAR for the department of Social Policy and Intervention (Centre for Evidence Based Intervention) at Oxford University where he will be a departmental lecturer in evidence-based social intervention. You can contact David at:

Department of Social Policy and Intervention
32 Wellington Square
University of Oxford



+44 (0)1865 280339

If you want to find out more about David’s work at CEDAR, please contact David Ogilvie.

Background and experience
In 2005, David moved to Cambridge to study Criminological research at Darwin College. During this time, he became interested in the relationship between alcohol and violence, specifically, in the way that social environments can mediate or prevent violent behaviour in intoxicated individuals. David’s PhD, entitled ‘Do flexible opening hours reduce violent crime? An evaluation of the Licensing Act (2003),’ capitalised on a large natural experiment in alcohol policy (the Licensing Act, 2003) which removed restrictions on alcohol trading times in the interests of preventing violence. Following his PhD, David worked as a research assistant on a project funded by the European Commission, ‘Strengthen transnational approaches to reducing reoffending (STARR)’. Here, he contributed to a series of systematic reviews investigating the effectiveness of behavioural interventions for reducing reoffending in offender populations.

Current work and interests
David is a CEDAR postdoctoral research fellow. His research continues to explore how the social environment can affect health and wellbeing. He is interested in various aspects of applied intervention research, such as: the design of complex interventions (e.g. natural experiments), the measurement of environmental exposure in routine behaviour (using GIS, GPS, and accelerometer data), health inequity, and research synthesis methodology.

Within CEDAR David is currently working on the Commuting and Health in Cambridge study (led by David Ogilvie), which looks at the health impacts of the Cambridgeshire Guided Busway. In this project he is investigating how exposure to new transport infrastructures can be quantified, and how travel behaviour and health are related. In another CEDAR project, David is investigating how interventions to reduce physical inactivity are effective in different demographic groups. In other projects David continues to research prevention initiatives for reducing alcohol related harm.

Professional memberships and roles
Visiting Scholar, Institute of Criminology, University of Cambridge


CEDAR publications here

Other publications

  1. Koehler, J. A., Humphreys, D. K., Akoensi, T. D., Sánchez de Ribera, O., Lösel, F. (In press). A systematic review and meta-analysis on the effects of European drug treatment programmes on reoffending. Psychology, Crime & Law. Doi: 10.1080/1068316X.2013.804921
  2. Humphreys, D. K. & Ogilvie, D. (In press). Synthesising evidence for equity impacts of population-based physical activity interventions: a pilot study. International Journal of Behavioural Nutrition and Physical Activity. Doi: 10.1186/1479-5868-10-76
  3. Humphreys, D. K., Goodman, A., Ogilvie, D. (In press) Associations between active commuting and physical and mental wellbeing. Preventive Medicine. Doi: 10.1016/j.ypmed.2013.04.008
  4. Akoensi, T. D., Koehler, J. A., Lösel, F. A., Humphreys, D. K. (In press). Domestic violence perpetrator programs in Europe, Part II: A systematic review of the state of the evidence . International Journal of Offender Therapy and Comparative Criminology. Doi: 10.1177/0306624X12468110.
  5. Humphreys, D. K., Eisner, M. P., Wiebe, D. J. (2013). Evaluating the impact of flexible alcohol trading hours on violence: An interrupted time series analysis. PLOS ONE, 8 (2), e55581.
  6. Humphreys, D. K., & Eisner, M. P. (2012). Do flexible opening hours reduce violence? An assessment of a natural experiment in alcohol policy. The Lancet, Vol. 380, S49.
  7. Humphreys, D. K., Ogilvie, D. (2012). Social inequalities in physical activity: do environmental and policy interventions help to reduce the gap? A pilot systematic review. The Lancet, Vol. 380, S50. 
  8. Koehler, J. A., Lösel, F. A., Akoensi, T. D., Humphreys, D. K. (2012). A systematic review and meta-analysis on the effects of young offender treatment programs. Journal of Experimental Criminology, Vol. 9, Issue 1.
  9. Lösel, F. A., Koehler, J. A., Hamilton. L., Humphreys, D. K. Akoensi, T.D. (2011). Strengthening Transnational Approaches to Reducing Reoffending. Final Report. Submitted to the European Commission.
  10. Eisner, M. P. & Humphreys, D.K. (2011). Measuring conflict of interest in prevention and intervention research – a feasibility study in T. Bliesener, A. Beelmann & M. Stemmler (eds.), Antisocial behaviour and crime. Contributions of developmental and evaluation research to prevention and intervention. Göttingen, London: Hogrefe International.
  11. Humphreys, D.K., & Eisner, M. P. (2010). Evaluating a natural experiment in alcohol policy: the Licensing Act (2003) and the requirement for attention to implementation. Criminology & Public Policy, Vol. 9., Issue 1.
  12. Humphreys, D.K., & Eisner, M. P. (2010). Trend analysis of crime in Manchester 2004-2008: Observing the impact of the Licensing Act (2003). An independent report for the Greater Manchester Police.
  13. Humphreys, D. K. (2009). Nightlife and Crime by Phil Hadfield (Book Review), Crime Prevention and Community Safety, Vol. 11, Issue 3.

Current and previous grants

National Institute for Health Research. The M74 study: longitudinal follow-up of the health effects of of a new urban motorway. £695k, 1/1/13 – 31/12/15. Co-applicant. PI: Ogilvie, D.

Economic and Social Research Council 1+3 Doctoral Studentship (2005-2009)

Organisational affiliation
Research Associate, Institute of Public Health, University of Cambridge.