Frequently Asked Questions (FAQs)

Do I need to participate in follow-up if nothing has changed since completing the previous questionnaires?


Even if you feel nothing has significantly changed for you since completing the previous questionnaire, it is still very important for our research for you to complete the questionnaire. This is because we want to measure lifestyle-related factors over time, even if they remain the same.

For example, a recent analysis by our researchers found that people who maintain a healthy weight over their adult years are at lower risk of cancer than those who gain weight in their 20s and 30s.

To take part, login to the ABC Study website

Do I need to participate in follow-up if I have been diagnosed with cancer?

While a major aim of the ABC Study is to gain a better understanding of the role that our genes, lifestyle and environment play in the development of cancer, we are also interested in factors associated with survival following a cancer diagnosis. To do this we need to continue to collect health and lifestyle data from participants after their cancer diagnosis.

We understand that a cancer diagnosis and subsequent treatment can be a very stressful time, so if you have been invited to complete the new questionnaire but are unable to participate at this time, please let us know.

To take part, login to the ABC Study website

Do I need to participate in follow-up if I have moved overseas?

If you have moved overseas since you took part in the ABC Study, please let us know. You can still complete the online questionnaire, but we won’t ask you to provide a poo sample.

To take part, login to the ABC Study website

How do I answer the questions regarding physical activity in the last 7 days, as my activity has changed due to COVID-19?


We acknowledge that many people will have experienced a change in their usual routines.

Our researchers have advised to continue to answer this question based on the last 7 days. Apart from COVID-19, there are many factors that affect people's physical activity levels on a week-to-week basis. If necessary, this will be taken into account when analysing the data.


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Cancer Epidemiology Division
Cancer Council Victoria
615 St Kilda Road
Melbourne 3004, Australia