| HES field name | Mother's age at delivery | ||||
|---|---|---|---|---|---|
| Field | matage | ||||
| Class | Maternity | ||||
| Length and format | 3n | ||||
| Availability | |||||
| Description | |||||
| This field contains the mother's age in whole years on the date of delivery. It is calculated from the mother's date of birth and the first baby's date of birth. | |||||
| Value | |||||
3n = Age in years null = Not valid |
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| Data cleaning |
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