Description: When was your last period? (Include current period if bleeding now) - year
This is a flat (unstructured) list which uses integers to represent categories or special values.
| Coding can be downloaded here as a tab-separated file. |
WARNING: the interactive features of this website use CSS3, which your browser does not support. To use the full features of this website, please update your browser.
| Coding | Meaning |
|---|---|
| 1975 | 1975 |
| 1988 | 1988 |
| 1990 | 1990 |
| 1991 | 1991 |
| 1992 | 1992 |
| 1993 | 1993 |
| 1994 | 1994 |
| 1995 | 1995 |
| 1996 | 1996 |
| 1997 | 1997 |
| 1998 | 1998 |
| 1999 | 1999 |
| 2000 | 2000 |
| 2001 | 2001 |
| 2002 | 2002 |
| 2003 | 2003 |
| Field ID | Description | Category |
|---|---|---|
| 20069 | When was your last period? (Include current period if bleeding now) - year | Menstrual cycle |
National Survey of Health and Development 1946 Cohort