UK Data Service variable record for:
| Variable | durptblp |
| Label | 4D Duration of partnership preceding longes |
| Disclaimer | Please note that these frequencies are not weighted. |
| Location | National Child Development Study: Sweep 4, 1981, and Public Examination Results, 1978 |
| Universe | Adults in Great Britain born in one particular week in 1958 (NCDS respondents were aged 23 at the time of NCDS4).;National |
| Sampling | No sampling (total universe);See documentation for further details. |
| Study Type | Longitudinal/panel/cohort |