<unk>  (also called<unk> -reported<unk> ,<unk> -assessed<unk> , or perceived<unk>  refers to both a single question such as "in general, would you say that your<unk>  is excellent, very good, good, fair, or poor?" and a survey questionnaire in which participants assess different dimensions of their own<unk> . This survey technique is commonly used in<unk>  research for its ease of use and its power in measuring<unk> .
Self-rated health
Body image 
Quality of life
Quality of life 
Physical fitness
Performance status
History of the present illness
Body composition