| khid | household identification number |
| kpno | person number |
| kjhstat | labour force status code |
| kjhbgd | day labour force spell began |
| kjhbgm | month labour force spell began |
| kjhbgy4 | year labour force spell began |
| kjspno | spell number of labour force status |
| kjhsoc | occupation (soc): previous job |
| kjhsoc00 | occupation (soc2000): previous job |
| kjhsemp | employee or self-employed: previous job |
| kjhboss | had employees: previous job |
| kjhsect | employing organisation: previous job |
| kjhmngr | managerial duties: previous job |
| kjhpldf | change of workplace: previous job |
| kjhsic | industry (sic): previous job |
| kjhsic92 | industry (sic92): previous job |
| kjhsize | no. employed at workplace: previous job |
| kjhpayl | pay at 1.9.2000: previous job |
| kjhpylw | pay period (weeks) 1.9.2000 prev. job |
| kjhpylg | pay gross or net at 1.9.2000 prev. job |
| kjhstpy | reason for stopping previous job |
| kjblky | attraction of present job |
| kjhendd | day labour force spell ended |
| kjhendm | month labour force spell ended |
| kjhendy4 | year labour force spell ended |
| kjha9ly | whether job started after 1.9.2000 |
| kjhseg | socio economic group: previous job |
| kjhgold | goldthorpe social class: previous job |
| kjhrgsc | rg social class: previous job |
| kjhisco | international soc : previous job |
| kjhcssm | cambridge scale males : previous job |
| kjhcssf | cambridge scale females : previous job |
| kjhhgs | hope – goldthorpe scale : previous job |
| kjhsec | socio-economic class: previous job |
| kjhspw | weeks in year to 1.9.2001: prev job spel |
| kjhgpay | monthly gross pay: previous job |
| kjhnpay | monthly net pay: previous job |
| kjhgpayi | imputation flag – kjhgpay (derived) |
| kjhnpayi | imputation flag – kjhnpay (derived) |
| pid | cross-wave person identifier |
| pidp | Cross-wave person identifier (UKHLS) |
| kjhiscon | international soc (num): previous job |
| kjhsoc_cc | occupation (soc): previous job – condensed classification |
| kjhsoc00_cc | occupation (soc2000): previous job – condensed classification |
| kjhiscon_cc | international soc (num): previous job – condensed classification |
| kjhisco_cc | international soc : previous job – condensed classification |