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Patient recruitment to a research trial has a huge influence on the successful conduct of trials. Effective, yet inexpensive ways of increasing consent rates are required. Quick response (QR) codes are becoming commonplace, and people are increasingly familiar with them, particularly due to recent requirement to use QR codes to check-in during the COVID-19 pandemic. QR codes have been used extensively to recruit, but a search of the literature failed to reveal any RCT investigating the effect on response rate of adding a QR code. As such, the aim of this trial is to determine whether the addition of a QR code to a patient consent form for a research trial increases the consent rates. The study will will be nested in a qualitative study involving colorectal cancer patients. All patients will be randomised to receive either standard patient information pack, or a patient information pack with QR codes. The between-group recruitment rates will be compared.

Additional file 1. Copy of the participant survey.

Supplemental Material for Volume, scope, and consideration of ethical issues in Indigenous cognitive impairment and dementia research: A systematic scoping review of studies published between 2000-2021 by Jamie Bryant, Megan Freund, Nola Ries, Gail Garvey, Alexandra McGhie, Alison Zucca, Hana Hoberg, Megan Passey and Rob Sanson-Fisher in Dementia

Supplemental material, supp_mat_1 for Systematic review of barriers and enablers to the delivery of palliative care by primary care practitioners by Mariko L Carey, Alison C Zucca, Megan AG Freund, Jamie Bryant, Anne Herrmann and Bernadette J Roberts in Palliative Medicine