Acceptability of the intervention
Twenty-one participants (mean age = 68.19 ± 6.30 years old) from the experimental group attended the semi-structured interview. The adherence of the interviewees to keeping a food diary was diverse, from moderate to good (8/21) and bad (13/21). Four themes with corresponding sub-themes were synthesised from the data: (1) overall perceptions of the DBC intervention; (2) barriers to participating in the DBC intervention; (3) facilitators in implementing the DBC intervention; (4) suggestions for a future programme (see Table 
Results of the individual semi-structured interview