Adjunct Associate Professor Freddy Sitas

Adjunct Associate Professor
Public Health, School of Public Health

T: +61 2 9334 1860
F: +61 2 9334 1778

W: Related website
Curriculum vitae

Biographical details

Freddy Sitas obtained a BSc in 1981, an MSC(MED) in 1987 from the University of the Witwatersrand (South Africa), an MSC in Epidemiology from the London School of Hygiene and Tropical Medicine in 1987, and a DPhil in Epidemiology from the University of Oxford in 1990. Part of his work showed for the first time that Helicobacter pylori is a cause of stomach cancer. He returned to South Africa in 1990 to the position of Head of the National Cancer Registry and in 1999 became Head of the South African MRC Cancer Epidemiology Research Group. In 2000, he was awarded a Readership in Epidemiology by the University of the Witwatersrand. [More...]

Research interests

A/Prof Sitas' interests include cancer and mortality surveillance, viruses and cancer, and tobacco attributed disease.

Currently, Freddy is a Chief Investigator on the Cervical Health Study, The Cancer Lifestyle, Evaluation And Risk Study (CLEAR), The ABC Breast Cancer Study, the Skin Health Study and the InterSCOPE study.


Virology; Tobacco & tobacco control; Epidemiology; Infection and immunity

International links

Germany. (German Cancer Research Centre) With Dr Michael Pawlita and colleagues on the InterSCOPE project and NHMRC funded Infection, lifestyle and Skin cancer project..
France. (Interantional Agency for Research on Cancer) Working group: 100th Monograph on carcinogenicity (Part B -Biological agents) Advisor to IARC on cancer registration in low and middle income countries.
United States. (National Cancer Institute) With DCEG, on the Interscope study.
South Africa. (National Health Laboratory Service, Cancer Epidemiolgy Research Group) Co-PI with Margaret Urban on Johannesburg cancer case control study, examining lifestyle and infectious causes of cancer.
United Kingdom. (Cancer Research UK, Cancer Epidemiology Unit, Univ. Oxford.) With Professor Valerie Beral, Advisor on NSW Cancer, Lifestyle and Evaluation of Risk study..
South Africa. (Medical Research Council, Burden of Disease Unit) With Debbie Bradshaw and Colleagues, on tobacco attributed mortality.
United Kingdom. (University of Oxford, Clinical Trials Service Unit) With Sir Richard Peto, on a study of tobacco attributed deaths on the South African Death notification form.
France. (International Agency for Research on Cancer) Developing a standardised risk factor questionnaire for studues of cancer causes.


2014 | 2013 | 2012 | 2011 | 2010 | 2009


  • Antoni, S., Soerjomataram, I., Moore, S., Ferlay, J., Sitas, F., Smith, D., Forman, D. (2014), The ban on phenacetin is associated with changes in the incidence trends of upper-urinary tract cancers in Australia. Australian and New Zealand Journal of Public Health. 38(5), 455-458. [Abstract]
  • Sitas, F., Weber, M., Egger, S., Yap, S., Chiew, M., O'Connell, D. (2014), Smoking Cessation After Cancer. Journal of Clinical Oncology. 32(32), 3593-3595. [Abstract]
  • Weber, M., Chiew, M., Feletto, E., Kahn, C., Sitas, F., Webster, L. (2014), Cancer Screening among immigrants living in urban and regional Australia: results from the 45 and up study. International Journal of Environmental Research and Public Health. 11(8), 8251-8266. [Abstract]
  • Sewram, V., Sitas, F., O'Connell, D., Myers, J. (2014), Diet and esophageal cancer risk in the Eastern Cape Province of South Africa. Nutrition and Cancer. 66(5), 791-799. [Abstract]


  • Sitas, F., Gibberd, A., Kahn, C., Weber, M., Chiew, M., Supramaniam, R., Velentzis, L., Nickson, C., Smith, D., O'Connell, D., Smith, M., Armstrong, K., Yu, X., Canfell, K., Robotin, M., Feletto, E., Penman, A. (2013), Cancer incidence and mortality in people aged less than 75 years: Changes in Australia over the period 1987-2007. Cancer Epidemiology. 37(6), 780-787. [Abstract]
  • Sitas, F., Egger, S., Bradshaw, D., Groenewald, P., Laubscher, R., Kielkowski, D., Peto, R. (2013), Differences among the coloured, white, black, and other South African populations in smoking-attributed mortality at ages 35-74 years: a case-control study of 481,640 deaths. Lancet. 382(9893), 685-693. [Abstract]
  • Weber, M., Cunich, M., Smith, D., Salkeld, G., Sitas, F., O'Connell, D. (2013), Sociodemographic and health-related predictors of self-reported mammogram, faecal occult blood test and prostate specific antigen test use in a large Australian study. BMC Public Health. 13, 429. [Abstract]
  • Weber, M., Smith, D., O'Connell, D., Patel, M., de Souza, P., Sitas, F., Banks, E. (2013), Risk factors for erectile dysfunction in a cohort of 108 477 Australian men. The Medical Journal of Australia. 199(2), 107-111. [Abstract]


  • Chiew, M., Weber, M., Egger, S., Sitas, F. (2012), A cross-sectional exploration of smoking status and social interaction in a large population-based Australian cohort. Social Science & Medicine. 75(1), 77-86. [Abstract]
  • Sitas, F., Egger, S., Urban, M., Taylor, P., Abnet, C., Boffetta, P., O'Connell, D., Whiteman, D., Brennan, P., Malekzadeh, R., Pawlita, M., Dawsey, S., Waterboer, T., Webb, P., Green, A., Hayward, N., Zaridze, D., Holcatova, I., Mates, D., Szeszenia-Dabrowska, N., Ferro, G., Janout, V., Curado, M., Menezes, A., Koifman, S., Islami, F., Nasrollahzadeh, D., Hu, N., Goldstein, A., Gao, Y., Ding, T., Kamangar, F. (2012), InterSCOPE Study: Associations Between Esophageal Squamous Cell Carcinoma and Human Papillomavirus Serological Markers. Journal of the National Cancer Institute. 104(2), 147-158. [Abstract]
  • Urban, M., Banks, E., Egger, S., Canfell, K., O'Connell, D., Beral, V., Sitas, F. (2012), Injectable and oral contraceptive use and cancers of the breast, cervix, ovary, and endometrium in black South african women: case-control study. PLoS Medicine. 9(3), e1001182. [Abstract]


  • Weber, M., Banks, E., Sitas, F. (2011), Smoking in migrants in New South Wales, Australia: Report on data from over 100,000 participants in the 45 and Up Study. Drug and Alcohol Review. 30(6), 597-605. [Abstract]
  • Willcox, S., Stewart, B., Sitas, F. (2011), What factors do cancer patients believe contribute to the development of their cancer? (New South Wales, Australia). Cancer Causes & Control. 22(11), 1503-1511. [Abstract]
  • Sitas, F., Yu, X., O'Connell, D., Blizzard, L., Otahal, P., Newman, L., Venn, A. (2011), The relationship between basal and squamous cell skin cancer and smoking related cancers. BMC research notes. 4(1), 556. [Abstract]


  • Sitas, F., O'Connell, D., van Kemenade, C., Short And, M., Zhao, K. (2010), Breast cancer risk among female employees of the Australian Broadcasting Corporation in Australia. The Medical Journal of Australia. 192(11), 651-654. [Abstract]
  • Jiang, J., Liu, B., Sitas, F., Zeng, X., Chen, J., Han, W., Zou, X., Wu, Y., Zhao, P., Li, J. (2010), Case-spouse control design in practice: an experience in estimating smoking and chronic obstructive pulmonary disease deaths in Chinese adults. Journal of the Formosan Medical Association. 109(5), 369-377. [Abstract]
  • Jiang, J., Liu, B., Sitas, F., Li, J., Zeng, X., Han, W., Zou, X., Wu, Y., Zhao, P. (2010), Smoking-attributable deaths and potential years of life lost from a large, representative study in China. Tobacco Control. 19(1), 7-12. [Abstract]
  • Malope-Kgokong, B., Macphail, P., Mbisa, G., Ratshikhopha, E., Maskew, M., Stein, L., Sitas, F., Whitby, D. (2010), Kaposi's Sarcoma Associated-Herpes Virus (KSHV) Seroprevalence in Pregnant Women in South Africa. Infectious Agents and Cancer. 5, 14. [Abstract]


  • Mayosi, B., Flisher, A., Lalloo, U., Sitas, F., Tollman, S., Bradshaw, D. (2009), The burden of non-communicable diseases in South Africa. Lancet. 374(9693), 934-947. [Abstract]
  • Sitas, F., O'Connell, D., Jamrozik, K., Lopez, A. (2009), Smoking questions on the Australian death notification form: adopting international best practice?. Medical Journal of Australia. 191(3), 166-168. [Abstract]
  • Weber, M., Banks, E., Smith, D., O'Connell, D., Sitas, F. (2009), Cancer screening among migrants in an Australian cohort; cross-sectional analyses from the 45 and Up Study. BMC Public Health. 9, 144. [Abstract]