Photo of Gemma Mansell
    • United Kingdom

    Accepting PhD Students

    PhD projects

    I would be happy to speak to any potential PhD students who have an interest in behaviour change, long-term conditions, and quantitative methodology (specifically mediation analysis and/or longitudinal analysis)

    20102019
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    Research Output 2010 2019

    2019

    An overview of systematic reviews found suboptimal reporting and methodological limitations of mediation studies investigating causal mechanisms

    Cashin, A. G., Lee, H., Lamb, S. E., Hopewell, S., Mansell, G., Williams, C. M., Kamper, S. J., Henschke, N. & Mcauley, J. H., 1 Jul 2019, In : Journal of Clinical Epidemiology. 111, p. 60-68.e1

    Research output: Contribution to journalReview article

    Delivery of Health Care
    Databases
    PubMed
    MEDLINE
    Health

    Mechanisms for reducing low back pain: a mediation analysis of a multifaceted intervention in workers in elderly care

    Stevens, M. L., Boyle, E., Hartvigsen, J., Mansell, G., Søgaard, K., Jørgensen, M. B., Holtermann, A. & Rasmussen, C. D. N., 3 Jan 2019, In : International Archives of Occupational and Environmental Health. 92, 1, p. 49-58 10 p.

    Research output: Contribution to journalArticle

    Open Access
    File
    Low Back Pain
    Physical Exertion
    Self-Help Devices
    Fear
    Human Engineering

    Reasons why osteoarthritis predicts mortality: Path analysis within a Cox proportional hazards model

    Wilkie, R., Parmar, S. S., Blagojevic-Bucknall, M., Smith, D., Thomas, M. J., Seale, B. J., Mansell, G. & Peat, G., 1 Nov 2019, In : RMD Open. 5, 2, e001048.

    Research output: Contribution to journalArticle

    Open Access
    File
    Proportional Hazards Models
    Osteoarthritis
    Mortality
    Premature Mortality
    Anxiety
    2018

    Clinical course and prognostic factors across different musculoskeletal pain sites: A secondary analysis of individual patient data from randomised clinical trials

    Green, D. J., Lewis, M., Mansell, G., Artus, M., Dziedzic, K. S., Hay, E. M., Foster, N. E. & Van Der Windt, D. A., 11 Jun 2018, In : European Journal of Pain. 22, 6, p. 1057-1070

    Research output: Contribution to journalArticle

    Open Access
    File
    Musculoskeletal Pain
    Randomized Controlled Trials
    Pain
    Knee Osteoarthritis
    Anxiety

    Testing a model of consultation-based reassurance and back pain outcomes with psychological risk as a moderator: A prospective cohort study.

    Holt, N., Mansell, G., Hill, J. & Pincus, T., 1 Apr 2018, In : Clinical Journal of Pain. 34, 4, p. 339-348

    Research output: Contribution to journalArticle

    Open Access
    File
    Back Pain
    Cohort Studies
    Referral and Consultation
    Prospective Studies
    Psychology
    2017

    Applying causal mediation methods to clinical trial data: What can we learn about why our interventions (don't) work?

    Whittle, R., Mansell, G., Jellema, P. & Van Der Windt, D., 20 Mar 2017, In : European Journal of Pain. 21, 4, p. 614-622

    Research output: Contribution to journalArticle

    Open Access
    File
    Low Back Pain
    Clinical Trials
    Randomized Controlled Trials
    Catastrophization
    Primary Health Care

    Brief pain re-assessment provided more accurate prognosis than baseline information for low-back or shoulder pain

    Mansell, G., Jordan, K. P., Peat, G. M., Dunn, K. M., Lasserson, D., Kuijpers, T., Swinkels-meewisse, I. & Van Der Windt, D. A. W. M., 4 Apr 2017, In : BMC Musculoskeletal Disorders. 18, 1, 139.

    Research output: Contribution to journalArticle

    Open Access
    File
    Shoulder Pain
    Pain Measurement
    Low Back Pain
    Musculoskeletal Pain
    Primary Health Care

    Identification of Indirect Effects in a Cognitive Patient Education (COPE) Intervention for Low Back Pain

    Mansell, G., Storheim, K., Løchting, I., Werner, E. L. & Grotle, M., 1 Dec 2017, In : Physical Therapy. 97, 12, p. 1138-1146

    Research output: Contribution to journalArticle

    Open Access
    Patient Education
    Low Back Pain
    Catastrophization
    Therapeutics
    Back Pain

    Mediators of Treatment Effect in the Back In Action Trial: Using Latent Growth Modeling to Take Change Over Time Into Account

    Mansell, G., Hill, J. C., Main, C. J., Von Korff, M. & Van Der Windt, D., 1 Sep 2017, In : Clinical Journal of Pain. 33, 9, p. 811-819

    Research output: Contribution to journalArticle

    Open Access
    File
    Fear
    Growth
    Therapeutics
    Low Back Pain
    Randomized Controlled Trials
    2016

    Behaviour change and self-management interventions in persistent low back pain

    Mansell, G., Hall, A. & Toomey, E., 31 Dec 2016, In : Baillière's Clinical Rheumatology. 30, 6, p. 994-1002

    Research output: Contribution to journalArticle

    Self Care
    Low Back Pain
    Health Behavior
    Outcome Assessment (Health Care)
    Guidelines

    Causal mechanisms in the clinical course and treatment of back pain

    Lee, H., Mansell, G., Mcauley, J. H., Kamper, S. J., Hübscher, M., Moseley, G. L., Wolfenden, L., Hodder, R. K. & Williams, C. M., 31 Dec 2016, In : Baillière's Clinical Rheumatology. 30, 6, p. 1074-1083

    Research output: Contribution to journalArticle

    Open Access
    File
    Back Pain
    Practice Guidelines
    Terminology
    Therapeutics

    Exploring What Factors Mediate Treatment Effect: Example of the STarT Back Study High-Risk Intervention

    Mansell, G., Hill, J. C., Main, C., Vowles, K. E. & Van Der Windt, D., 1 Nov 2016, In : Journal of Pain. 17, 11, p. 1237-1245

    Research output: Contribution to journalArticle

    Open Access
    File
    Pain
    Low Back Pain
    Therapeutics
    Catastrophization
    Fear
    2015

    How does pain lead to disability? A systematic review and meta-analysis of mediation studies in people with back and neck pain

    Lee, H., Hübscher, M., Moseley, G. L., Kamper, S. J., Traeger, A. C., Mansell, G. & Mcauley, J. H., 1 Jun 2015, In : Pain. 156, 6, p. 988–997

    Research output: Contribution to journalArticle

    Open Access
    File
    Neck Pain
    Back Pain
    Meta-Analysis
    Confidence Intervals
    Pain

    Symptom perceptions and help-seeking behaviour prior to lung and colorectal cancer diagnoses: a qualitative study

    Mclachlan, S., Mansell, G., Sanders, T., Yardley, S., Van Der Windt, D., Brindle, L., Chew-graham, C. & Little, P., 1 Oct 2015, In : Family Practice. 32, 5, p. 568-577

    Research output: Contribution to journalArticle

    Open Access
    File
    Colorectal Neoplasms
    Lung Neoplasms
    Decision Making
    Referral and Consultation
    Decision Support Techniques
    2014

    Critical items for assessing risk of lung and colorectal cancer in primary care: a Delphi study

    Mansell, G., Shapley, M., Van Der Windt, D., Sanders, T. & Little, P., 1 Aug 2014, In : British Journal of General Practice. 64, 625, p. e509-e515

    Research output: Contribution to journalArticle

    Open Access
    File
    Delphi Technique
    Colorectal Neoplasms
    Lung Neoplasms
    Primary Health Care
    Referral and Consultation

    How Can We Design Low Back Pain Intervention Studies to Better Explain the Effects of Treatment?

    Mansell, G., Hill, J. C., Kamper, S. J., Kent, P., Main, C. & Van Der Windt, D. A., 1 Mar 2014, In : Spine. 39, 5, p. E305-E310

    Research output: Contribution to journalEditorial

    The prevalence of anxiety and depression in people with age-related macular degeneration: a systematic review of observational study data

    Dawson, S. R., Mallen, C. D., Gouldstone, M. B., Yarham, R. & Mansell, G., 1 Dec 2014, In : BMC Ophthalmology. 14, 1, 78.

    Research output: Contribution to journalArticle

    Open Access
    File
    Macular Degeneration
    Observational Studies
    Anxiety
    Depression
    Cross-Sectional Studies
    2013

    General practice by numbers: presentation to final outcome

    Shapley, M., Mansell, G., Barraclough, K. & Croft, P., 1 Apr 2013, In : British Journal of General Practice. 63, 609, p. e300-e302

    Research output: Contribution to journalArticle

    General Practice
    Population
    Therapeutics

    Why and how back pain interventions work: What can we do to find out?

    Mansell, G., Kamper, S. J. & Kent, P., 1 Oct 2013, In : Baillière's Clinical Rheumatology. 27, 5, p. 685-697

    Research output: Contribution to journalArticle

    Open Access
    File
    Back Pain
    Psychology
    Self Efficacy
    Therapeutics
    Research
    2011

    Interventions to reduce primary care delay in cancer referral: a systematic review

    Mansell, G., Shapley, M., Jordan, J. L. & Jordan, K., 1 Dec 2011, In : British Journal of General Practice. 61, 593, p. e821-e835

    Research output: Contribution to journalArticle

    Open Access
    Primary Health Care
    Referral and Consultation
    Neoplasms
    Secondary Care
    Software
    2010

    Positive predictive values of ≥5% in primary care for cancer: systematic review

    Shapley, M., Mansell, G., Jordan, J. L. & Jordan, K. P., 1 Sep 2010, In : British Journal of General Practice. 60, 578, p. e366-e377

    Research output: Contribution to journalArticle

    Open Access
    Primary Health Care
    Signs and Symptoms
    Neoplasms
    Age Groups
    Bibliographic Databases