| bpno | person number |
| bficode | income receipt code |
| bnfr | number of income receipts totalled here |
| bfrall | received payment each month |
| bfr01 | payment received in september 1991 |
| bfr02 | payment received in october 1991 |
| bfr03 | payment received in november 1991 |
| bfr04 | payment received in december 1991 |
| bfr05 | payment received in january 1992 |
| bfr06 | payment received in february 1992 |
| bfr07 | payment received in march 1992 |
| bfr08 | payment received in april 1992 |
| bfr09 | payment received in may 1992 |
| bfr10 | payment received in june 1992 |
| bfr11 | payment received in july 1992 |
| bfr12 | payment received in august 1992 |
| bfr13 | payment received in september 1992 |
| bfr14 | payment received in october 1992 |
| bfr15 | payment received in november 1992 |
| bfr16 | payment received in december 1992 |
| bfr17 | payment received in january 1993 |
| bfrnow | is still receiving payment |
| bfrval | last amount received |
| bfrw | weeks covered by last amount received |
| bfrjt | last payment: sole or joint recipient |
| bfrjtpn | pno of joint recipient |
| bhid | household identification number |
| bfiseq | income receipt sequence number |
| bfim09l | estimated income in september 1991 |
| bfim10l | estimated income in october 1991 |
| bfim11l | estimated income in november 1991 |
| bfim12l | estimated income in december 1991 |
| bfim01t | estimated income in january 1992 |
| bfim02t | estimated income in february 1992 |
| bfim03t | estimated income in march 1992 |
| bfim04t | estimated income in april 1992 |
| bfim05t | estimated income in may 1992 |
| bfim06t | estimated income in june 1992 |
| bfim07t | estimated income in july 1992 |
| bfim08t | estimated income in august 1992 |
| bfim09t | estimated income in september 1992 |
| bfim10t | estimated income in october 1992 |
| bfim11t | estimated income in november 1992 |
| bfim12t | estimated income in december 1992 |
| bfim01n | estimated income in january 1993 |
| bfrjtvf | joint receipt verification flag |
| bfrvali | imputation flag – bfrval (base) |
| pid | cross-wave person identifier |
| pidp | Cross-wave person identifier (UKHLS) |