Gemma Jacklyn

NHMRC Postgraduate Scholar, Sydney School of Public Health


Email: gemma [dot] jacklyn [at] sydney [dot] edu [dot] au

Research interests

The focus of my research is to better understand the benefits and harms associated with breast cancer screening, and how to effectively communicate these to women. Other interests include overdiagnosis and work-related musculoskeletal injuries.




Epidemiology; Breast cancer, cancer screening

Selected grants

[Associate Investigator] Informing women about over-diagnosis in mammography screening: a randomised trial; McCaffery K, Barratt A, Jansen J, Houssami N, Dhillon H, McGeechan K; National Health and Medical Research Council (NHMRC)/Project Grant No. 1062389. Total $ 428,447 2014-2017.

Selected publications


Jacklyn G, Glasziou P, Macaskill P, Barratt A. Meta-analysis of breast cancer mortality benefit and over diagnosis adjusted for adherence: improving information on the effects of attending screening mammography. British Journal of Cancer. 2016; Apr 28. doi: 10.1038/bjc.2016.90. [Epub ahead of print]

Carter SM, Williams J, Parker L, Pickles K, Jacklyn G, Rychetnik L, Barratt A. Screening for cervical, prostate and breast cancer: how should the evidence be interpreted? American Journal of Preventive Medicine 2015; 49(2),274-85.

Hersch J, Barratt A, Jansen J, Houssami N, Irwig I, Jacklyn G, Dhillon H, Thornton H, McGeechan K, Howard K, McCaffery K. The effect of information about overdetection of breast cancer on women’s decision making about mammography screening: study protocol for a randomised controlled trial. BMJ Open 2014; 4:e004990. doi:10.1136/bmjopen-2014-004990

T Driscoll, G Jacklyn, J Orchard, E Passmore, T Vos, G Freedman, S Lim, L Punnett. The global burden of occupationally related low back pain: estimates from the Global Burden of Disease 2010 study. Annals of the Rheumatic Diseases 2014. doi:10.1136/annrheumdis-2013-204631. Available at:

Lim S, Vos T, Flaxman A et al. A comparative risk assessment of burden of disease and injury attributable to 67 risk factors and risk factor clusters in 21 regions, 1990–2010: a systematic analysis for the Global Burden of Disease Study 2010. The Lancet 2012;380(9859):2224-2260.

Book chapter

Barratt A, Jacklyn GL. Challenges in Understanding and Quantifying Overdiagnosis and Overtreatment. In: Houssami N, Miglioretti D, editors. Breast Cancer Screening: An Examination of Scientific Evidence. London, UK: Elsevier; 2016.

Conference Presentations

Jacklyn G, Barratt A, Hersch J, Howard K. “Information about the benefit and harms of mammography screening provided to women”. Oral presentation at the international Preventing Overdiagnosis Conference. Oxford University, UK, September 15-18 2014.

Jacklyn G, Barratt A, Hersch J, Howard K, Irwig L. “Model of outcomes of screening mammography: information to support informed choices.” Oral presentation at the international Preventing Overdiagnosis Conference. Dartmouth College, NH, USA, September 10-12 2013.

Jacklyn G, Driscoll T, Ackermann B. “The Relationship between Shoulder Disorders and Instrument Group in Professional Australian Orchestral Musicians.” Poster presentation at 11th World Conference on Injury Prevention and Control (“Safety 2012 World Injury Conference”), Wellington, NZ, 1-4 October 2012.

T Driscoll, G Jacklyn, J Orchard, E Passmore. “The contribution of occupational factors to the global burden of low back pain.” 30th International Congress on Occupational Health, Cancun, Mexico, 18-23 March 2012.