Qualitative analysis
alcohol reduction
APPENDIX
The qualitative approach taken is best described as a combination of content and thematic analysis [The prompts were read and re-read by a single researcher (ESC), who generated notes and an initial code list and codebook. The initial codebook was reviewed by a second researcher who was familiar with the dataset (MB), for clarity and comprehensiveness. The data were then coded in RQDA (R package for Qualitative Data Analysis [After a joint discussion on the codebook and code applications, where further adjustments and clarifications were made, the codes were conceptually grouped which gave rise to an initial list of candidate themes. Codes that did not seem to fit within these groupings were retained during the next round of coding. During this step, the coding process was more carefully guided by attempting to identify broader concepts associated with capability, opportunity, and motivation, as well as intentions and evidence of behavioural planning and application of strategies for alcohol reduction. The codebook was again refined, including renaming, merging, and removing codes (particularly those which did not appear to fit with any of the wider identified concepts due to being highly specific, or not substantially present throughout the dataset). Prompts which remained uncoded at this stage were not considered further in the analysis (N = 88).The codebook was then used by a third researcher (JB) to independently code the full dataset. Following this, based on discrepancies in coding between coders, further codebook refinements were made and the dataset was coded an additional time jointly ESC and JB. The final coded dataset was assessed and agreed upon by the researchers. The codebook is provided in the Appendix, Table 