Dr Helen Purtill

Lecturer in Statistics

Dept of Mathmatics & Statistics

Keywords: Profiling Longitudinal Studies population health

Helen Purtill is a lecturer in Statistics in the Department of Mathematics & Statistics. She joined the department in September 2013, having previously worked as a biostatistician at the Statistical Consulting Unit (SCU) and the Centre for Support and Training in Analysis and Research (CSTAR) at the University of Limerick. Her current research area is the development of profiles using cluster and latent class methodologies in longitudinal population studies such as Growing Up in Ireland (GUI) and The Irish LongituDinal Study of Aging (TILDA). She has considerable research experience in applied statistics, data analysis for population health, design and analysis of randomised control trials, meta-analyses, validity and reliability studies, power calculations and sample sizing for clinical and observational studies.


  • O’Keeffe, M., Purtill, H., Kennedy, N., Conneely, M., Hurley, J., O’Sullivan, P., Dankaerts, W. & O’Sullivan, K. (2016). Comparative effectiveness of conservative interventions for non-specific chronic spinal pain: Physical, behavioural/psychologically informed or combined? A systematic review and meta-analysis. The Journal of Pain, [in press], DOI: 10.1016/j.jpain.2016.01.473


  • Dowd, K., Hannigan, A., Purtill, H., Macken, A.P., Harrington, D., Kelly, S.M., Moyna, N., O'Gorman, C.S. and Donnelly, A.E., 2016. The Development of Activity Profiles in Adolescent Females and their Association with Adiposity. Pediatric Exercise Science, 28(1).  DOI: 10.1123/pes.2015-0081


  • O'Keeffe, M., Purtill, H., Kennedy, N., O'Sullivan, P., Dankaerts, W., Tighe, A., Allworth, L., Dolan, L., Bargary, N. & O'Sullivan, K. (2015). Individualised cognitive functional therapy compared with a combined exercise and pain education class for patients with non-specific chronic low back pain: study protocol for a multicentre randomised controlled trial. BMJ open, 5(6), e007156.  DOI:10.1136/bmjopen-2014-007156


  • Uszynski, M., Purtill, H., & Coote, S. (2015). Relationship between foot vibration threshold and walking and balance functions in people with Multiple Sclerosis (PwMS). Gait & posture, 41(1), 228-232.  DOI:10.1016/j.gaitpost.2014.10.010


  • Larkin, L., Nordgren, B., Purtill, H., Brand, C., Fraser, A. and Kennedy, N., 2016. Criterion Validity of the activPAL Activity Monitor for Sedentary and Physical Activity Patterns in People Who Have Rheumatoid Arthritis. Physical therapy.  DOI: 10.2522/ptj.20150281


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