Where used:
| Data Set | Genitourinary Medicine Clinic Activity Data Set | references in description AGE AT ATTENDANCE DATE | 
| Data Set | NHS Health Checks Data Set | references in description AGE AT ATTENDANCE DATE | 
| XML Schema Constraint | NHS Health Checks Data Set XML Schema Constraints | references in description AGE AT ATTENDANCE DATE | 
| Data Set | Sexual and Reproductive Health Activity Data Set | references in description AGE AT ATTENDANCE DATE | 
| Data Element | AGE AT ATTENDANCE DATE | references in description AGE AT ATTENDANCE DATE | 

