I am Director of the Health Services Research Unit and Professor of Health Care Evaluation. I also direct the Aberdeen Health Technology Assessment Group, which is the only academic centre in Scotland responsible for providing technology assessment reports for the UK National Institute for Health and Care Excellence.
I have wide ranging research interests in health services research with expertise in service improvement research, surgical trial evaluation, and quasi-experimental study designs and as statistical editor for the Cochrane Effective Practice and Organisation of Care group I have led the worldwide development of systematic review methodology for interrupted time series designs. I serve on several national and international committees and was an inaugural member of the Royal Society of Edinburgh Young Academy of Scotland.
- BSc Mathematics and statistics1993 - University of Edinburgh
- PGDip Information Systems1994 - Edinburgh Napier University
- PhD Public Health2000 - University of Aberdeen
I am currently accepting PhDs in Nutrition and Health, Dentistry.
Please get in touch if you would like to discuss your research ideas further.
Nutrition and HealthSupervising
SupervisionI provide PhD supervisory support for full or part-time PhD students. Some recent examples include:
- Complex designs in randomised clinical trials – a case study in dentistry - Beatriz Goulao
- Interrupted times series (ITS) evaluation - Jemma Hudson
- What are the personal, clinical and social impacts of longer waiting times? A multi-methods study - Elisabeth Kirchner
- Optimising the responsible use of antibiotics - Shazia Yousuf
Funding and Grants
In terms of research grant awards, I have personally been involved as chief investigator or principal applicant on a portfolio of national and international studies generating in excess of £30 million, with £20 million in the last 5 years. The projects include a mix of large scale international trials and methodological studies funded from a variety of sources – all the studies are healthcare policy relevant and of national or international significance.
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Three behavior change theory–informed randomized studies within a trial to improve response rates to trial postal questionnairesJournal of Clinical Epidemiology, vol. 122, pp. 35-41Contributions to Journals: Articles
Recommendations for the re-opening of dental services: a rapid review of international sourcesCochrane Oral Health. 36 pagesBooks and Reports: Other Reports
A behavioural approach to specifying interventions: what insights can be gained for the reporting and implementation of interventions to reduce antibiotic use in hospitals?Journal of Antimicrobial Chemotherapy, vol. 75, no. 5, pp. 1338–1346Contributions to Journals: Articles
Trial Forge Guidance 2: how to decide if a further Study Within A Trial (SWAT) is neededTrials, vol. 21, 33Contributions to Journals: Articles
Practical help for specifying the target difference in sample size calculations for RCTs: The DELTA2 five-stage study, including a workshopHealth Technology Assessment, vol. 23, no. 60Contributions to Journals: Articles
What methods are used to involve patients and the public in numerical aspects of research?: A scoping review5th International Clinical Trials Methodology Conference, pp. 28-28Contributions to Journals: Abstracts
Can surgery be avoided in patients with symptomatic gallstone disease and no complications?The BMJ, vol. 367, no. 8218, l5709Contributions to Journals: Comments and Debates
Five-Year Outcomes of a Randomized Trial of Treatments for Varicose VeinsThe New England Journal of Medicine, vol. 381, no. 10, pp. 912-922Contributions to Journals: Articles
Photodynamic versus white light-guided treatment of non-muscle invasive bladder cancer: A study protocol for a randomised trial of clinical and cost-effectivenessBMJ Open, vol. 9, no. 9, e22268Contributions to Journals: Articles
Methodology and reporting characteristics of studies using interrupted time series design in healthcareBMC Medical Research Methodology, vol. 19, 137Contributions to Journals: Articles