Short SEC Long Version Codes 1 Higher professionals/senior managers 1, 3, 5 2 Associate professionals/junior managers 2, 4, 6, 7 3 Other admin and clerical workers 8 4 Own account non-professional 10 5 Supervisors, technicians and related workers 9, 11 6 Intermediate workers 12 7 Other workers 13 8 Never worked/other inactive 14