A tool which may be helpful in identifying someone who may benefit from a social prescribing intervention around social isolation is the Office of National Statistics guidance on measuring loneliness.17
This is based on the University of California Los Angeles (UCLA) three-item loneliness scale (drawn from the 20 questions of the UCLA Loneliness Scale developed in the 1970s) and a fourth direct measure of loneliness question.17,18
| 
 Question type  | 
 Questions  | 
 Possible answers  | 
| 
 UCLA Loneliness Scale questions  | 
 How often do you feel that you lack companionship?  | 
 · Hardly ever or never · Some of the time · Often  | 
| 
 How often do you feel left out?  | 
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| 
 How often do you feel isolated from others?  | 
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| 
 direct measure of loneliness  | 
 How often do you feel lonely?  | 
 · Often/always · Some of the time · Occasionally · Hardly ever · Never  |