Empirically the variables used for studying the relationships of the OED triangle are parental social background, which is obtained from father’s and mother’s occupation (variables V70 and V72 respectively); respondent’s occupation at time of survey (variable ISCO88) and respondent’s education as measured by years of schooling (variable EDUYRS).
exploredata-ZA5890_VarEDUCYRS exploredata-ZA5890_VarISCO88 exploredata-ZA5890_VarV72 exploredata-ZA5890_VarV70