UK Data Service variable record for:
| Variable | bcsid |
| Label | Research case identifier |
| Disclaimer | Please note that these frequencies are not weighted. |
| Location | 1970 British Cohort Study: Thirty-Four-Year Follow-up, 2004-2005 |
| Universe | Location of units of observation: National;Population: The original BCS70 sample included all children born in one week in 1970 in the United Kingdom, but waves beyond the initial birth survey have generally only included Great Britain |
| Sampling | No sampling (total universe) |
| Study Type | Longitudinal/panel/cohort (including rotational panel) |