Driver Acorn
From Wiki
Driver Acorn is a dimension containing the socio-demographic profile of of the community in which each driver and rider involved in a crash resides. This profile is expressed by a Acorn group and type.
Profiling is based on Postcode data included in the vehicle records for each crash in STATS19 returns. Consequently, in cases where a full valid postcode has not been included in a STATS19 return, the profile will be listed as unknown.
Casualty Acorn must be used as a category in order to produce indexed reports showing casualty Acorn profiles.