It is proposed that the 45 and Up Study data team undertakes a project with Queensland University of Technology (QUT) to develop a tool to cleanse and review free text data. The purpose of this work is to enable the provision of free text responses for research projects, without risking the release of personally identifying information.
https://www.saxinstitute.org.au/research/a-tool-for-the-removal-of-identifying-information-from-free-text-fields-in-questionnaire-data/