Projects per year
Personal profile
Research interests
Interventions to change health-related behaviour; Digital technology and methods; Risk appraisal; Sexually transmitted infections and Sexual behaviour; Vaccination behaviour;
Overview
Katie Newby is a Professor of Behaviour Change and Public Health at the University of Hertfordshire. Her research focus is on the development and evaluation of health behaviour change interventions, particularly methods of development, specification of Behaviour Change Techniques (BCTs), and identifying routes of action. She specialises in research on digital interventions/methods, risk appraisal, sexual behaviour and vaccination uptake. She has published over 50 papers in psychology, medical and public health journals and has a strong track record of obtaining funding, including for example, from the Medical Research Council, the National Institute for Health Research, and Cancer Research UK.
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Collaborations and top research areas from the last five years
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PHIRST II: Public Health Interventions Responsive Studies Team (PHIRST) Connect (re-commissioning 2025-2030).
Brown, K. (PI), Jones, J. (CoI), Newby, K. (CoI), Howlett, N. (CoI) & Smeeton, N. (CoI)
NIHR - National Institute for Health Research
1/08/25 → 31/07/30
Project: Research
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Halo trial: Reducing sexually transmitted infections amongst those at highest risk: The Halo randomised controlled trial
Newby, K. (PI), Brown, K. (CoI) & Brady, L.-M. (CoI)
1/11/24 → 31/10/28
Project: Research
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ELBOW: Evaluation of Live Life Better Derbyshire Health Checks with Online booking and text reminders for Wellbeing (ELBOW)
Lloyd, N. (PI), Bontoft, C. (Researcher), Jones, J. (CoI), Smeeton, N. (Researcher), Wagner, A. P. (CoI), Miners, L. (Researcher), Breslin, G. (CoI), Freethy, I. (Researcher), Howlett, N. (CoI), Kudrna, L. (CoI), Lamming, L. (Researcher), Newby, K. (CoI), Wellings, A. (CoI), Wellsted, D. (CoI) & Brown, K. (CoI)
15/09/23 → 31/03/25
Project: Research
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Green Health Prescription Evaluation (GRAPPEL)
Howlett, N. (PI), Freethy, I. (Researcher), Lloyd, N. (Researcher), Bontoft, C. (Researcher), Newby, K. (CoI), Fakoya, O. (Researcher), Jones, J. (CoI), Smeeton, N. (CoI), Wellsted, D. (CoI), Wellings, A. (CoI), Bartington, S. (CoI), Breslin, G. (CoI), Wagner, A. P. (CoI), Miners, L. (Researcher) & Brown, K. (CoPI)
1/10/22 → 31/01/24
Project: Research
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Southampton Covid Participatory Action Research and Champions initiative Evaluation (CoPACT)
Howlett, N. (PI), Bontoft, C. (Researcher), Lloyd, N. (Researcher), Freethy, I. (Researcher), Newby, K. (CoI), Fakoya, O. (Researcher), Wellings, A. (CoI), Jones, J. (CoI), Smeeton, N. (CoI), Wellsted, D. (CoI), Bartington, S. (CoI), Breslin, G. (CoI), Wagner, A. (CoI), Miners, L. (Researcher) & Brown, K. (CoPI)
1/04/22 → 30/04/23
Project: Research
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Scaling Pleasure-Based Sexual and Reproductive Health: An Impact and Economic Modelling Study in 99 Low-and Middle-Income Countries
Wong, B., Chatterjee, O., Everett, B., De Meyer, S., Newby, K., Karungi, B., Suleyman, F., Shirima, S., Cowan, E., Nwaogbo, P. C., Tomás, L. R., Page, G., Petlane, M. & Philpott, A., 31 Aug 2026, In: BMJ Global Health.Research output: Contribution to journal › Article › peer-review
Open Access -
Conducting an RCT of a Sexual Health Intervention During the COVID-19 Pandemic: Lessons Learned
Graham, C., Stone, N., Bremner, S., McGrath, N., Bedford, R., Brown, K., Newby, K., Clarke, A., Jackson, L., Morrison, L., Nadarzynski, T. & To, Y., 10 Mar 2026, In: International Journal of STD and AIDS. 5 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile2 Downloads (Pure) -
Mixed-methods assessment of engagement with a digital intervention: the Wrapped feasibility Randomised Controlled Trial
Schumacher, L., Kwah, K., Crutzen, R., Gill, R., Brown, K., Bremner, S., Jackson, L. J. & Newby, K., 12 Feb 2026, In: PLOS Digital Health. 5, 2, 17 p., e0001202.Research output: Contribution to journal › Article › peer-review
Open AccessFile2 Downloads (Pure) -
The effects of graded tasks on physical activity: a systematic review and meta-analysis
Gibson, S., Epton, T., Newby, K., Brown, K., Armitage, C. & Howlett, N., 5 Feb 2026, (E-pub ahead of print) In: Health Psychology Review. 19 p.Research output: Contribution to journal › Review article › peer-review
Open AccessFile1 Citation (Scopus)13 Downloads (Pure) -
Getting RREAL about implementation of a Whole Systems Approach to obesity prevention in Northern Ireland: a longitudinal process evaluation
Lamming, L., Freethy, I., Bontoft, C., Breslin, G., Dennington-Price, A., Eggert, K., Wellings, A., Howlett, N., Brown, K. & Newby, K., 2026, National Institute for Health and Care Research - NIHR.Research output: Book/Report › Commissioned report
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