| epno | person number |
| eficode | income receipt code |
| enfr | number of income receipts totalled here |
| efrall | received payment each month |
| efr01 | payment received in september 1994 |
| efr02 | payment received in october 1994 |
| efr03 | payment received in november 1994 |
| efr04 | payment received in december 1994 |
| efr05 | payment received in january 1995 |
| efr06 | payment received in february 1995 |
| efr07 | payment received in march 1995 |
| efr08 | payment received in april 1995 |
| efr09 | payment received in may 1995 |
| efr10 | payment received in june 1995 |
| efr11 | payment received in july 1995 |
| efr12 | payment received in august 1995 |
| efr13 | payment received in september 1995 |
| efr14 | payment received in october 1995 |
| efr15 | payment received in november 1995 |
| efr16 | payment received in december 1995 |
| efr17 | payment received in january 1995 |
| efrnow | is still receiving payment |
| efrval | last amount received |
| efrw | weeks covered by last amount received |
| efrjt | last payment: sole or joint recipient |
| efrjtpn | pno of joint recipient |
| ehid | household identification number |
| efiseq | income receipt sequence number |
| efim09l | estimated income in september 1994 |
| efim10l | estimated income in october 1994 |
| efim11l | estimated income in november 1994 |
| efim12l | estimated income in december 1994 |
| efim01t | estimated income in january 1995 |
| efim02t | estimated income in february 1995 |
| efim03t | estimated income in march 1995 |
| efim04t | estimated income in april 1995 |
| efim05t | estimated income in may 1995 |
| efim06t | estimated income in june 1995 |
| efim07t | estimated income in july 1995 |
| efim08t | estimated income in august 1995 |
| efim09t | estimated income in september 1995 |
| efim10t | estimated income in october 1995 |
| efim11t | estimated income in november 1995 |
| efim12t | estimated income in december 1995 |
| efim01n | estimated income in january 1995 |
| efrjtvf | joint receipt verification flag |
| efrvali | imputation flag – efrval (base) |
| pid | cross-wave person identifier |
| pidp | Cross-wave person identifier (UKHLS) |