Q23: Employee or self-employed
Q24: Hours worked per week [Employee]
Q.46a Hours worked per week [self-employed]
Q901a: Sex of respondent
Q.901b: Age last birthday of respondent
Age completed full time education
Q908e: Employee or self-employed
Q908f: Private or public sector
Q918b: Gross earnings of R before tax
Social Class of work [Derived from Q.908a]
Industrial sector of work [Derived from Q.908f]