A type of CHARACTERISTIC.

A World Health Organisation classification indicating a PERSON's status relating to activity / disability.

National Codes:

0	Able to carry out all normal activity without restriction
1	Restricted in physically strenuous activity, but able to walk and do light work
2	Able to walk and capable of all self care, but unable to carry out any work. Up and about more than 50% of waking hours
3	Capable of only limited self care, confined to bed or chair more than 50% of waking hours
4	Completely disabled. Cannot carry on any self care. Totally confined to bed or chair

References:
National Cancer Dataset Version 1.3_ISB October 2002 

This class is also known by these names:

Context	Alias
plural	PERFORMANCE STATUSES