Table 2. The demographics of eight GPs in the North West of England, who were interviewed to understand clinical-coding behaviour.

Demographics, n = 8	Mean (range)
Sex, male, n	5
Mean age, years	46 (38–53)
Mean time in clinical practice, years	16 (10–26)
Location of practice , nLancashireMerseysideCheshire	521
Time taken to complete interview, minutes	43 (20–60)
I nterview cases completed , nAll 11 cases10 cases2 cases	431