UK Data Service variable record for:
| Variable | MCSID |
| Label | MCS Research ID |
| Disclaimer | Please note that these frequencies are not weighted. |
| Location | Millennium Cohort Study: Sixth Survey, 2015 |
| Universe | The sample population for MCS was drawn from all live births in the United Kingdom over 12 months (from 1 September 2000 in England and Wales and for 59 weeks from 22 November 2000 in Scotland and Northern Ireland).;National |
| Sampling | Multi-stage stratified random sample |
| Study Type | Longitudinal/panel/cohort; Six waves have been conducted to date: MCS1 (age 9 months), MCS2 (age 3 years), MCS3 (age 5 years), MCS4 (age 7 years) and MCS5 (age 11 years) and MCS5 (age 14 years) |