Data handling and confidentiality

Your data will be processed under the terms of UK data protection law (including the UK General Data Protection Regulation (UK GDPR) and the Data Protection Act 2018).

All information that is collected about you during the course of this study will be kept strictly confidential.

We will use Gorilla ( to collect data for our study. Gorilla is a cloud software platform specifically for the behavioural sciences, which is hosted within the EU (Republic of Ireland) which is compliant with ISO/IEC 27001:2005. All traffic to and from Gorilla is encrypted (TLS/SSL) and the database is encrypted using industry-standard cryptography. Gorilla is fully compliant with data protection legislation, BPS guidelines and GDPR. While Gorilla only processes your data, we act as data-controller having full control over all of your data.

Your rights to access, change or move your information are limited, as we need to manage your information in specific ways in order for the research to be reliable and accurate. If you withdraw from the study, we will keep the information about you that we have already obtained. To safeguard your rights, we will use the minimum personally-identifiable information possible.

We will ask you to provide your e-mail address if you would like to be added to the prize-draw or to be recontacted for the follow-up study and other similar studies. Your e-mail address will only be used for the latter purposes. The people who analyse the study data will be not able to identify you and will not be able to find our your name or contact details. The information you provide contribute to results that will be published, but you will not be identifiable in any such published material/research reports.

After it has been collected we will retain your data up to seven years in fully anonymised format.

In particular, any information that you share with us about details of drug use is confidential and will be treated as such. This information will be securely stored following data protection regulation in the UK as outlined above. We will remove the link between anything that identifies you and the data that you provide after we complete the analysis, so that it is no longer possible to link you to your drug use history.

Data Protection Statement

If you would like more information about how your data will be processed under the terms of UK data protection laws please visit the link below:

What if I change my mind about taking part?

You are free to withdraw at any point of the online study by closing your browser, without having to give a reason. Withdrawing from the project will not affect you in any way. If you choose to withdraw from the project we will retain the information you have given. As your data will be fully anonymous, once data is collected it cannot be deleted as it cannot be identified. No additional data will be collected after you have withdrawn.

What will happen to the results of the project?

If requested, you can be provided with a summary of results of the study. The results will also be disseminated through peer-reviewed publications.