Conditions of unknown or disputed aetiology (such as chronic fatigue syndrome/myalgic encephalomyelitis), or research that is not of generic health relevance and not applicable to specific health categories listed above

The Other category is used for specific conditions or diseases that cannot be attributed to any of the named categories. This includes conditions of unknown or disputed aetiology e.g. chronic fatigue syndrome/myalgic encephalomyelitis.

An example of a condition of unknown aetiology that may be suitable to include is Gulf war syndrome.

Studies into animal welfare may be coded to Other.

Other also includes some types of social services research for specific 'healthy' at risk groups that is not of relevance to the general population e.g. research into services for young people at risk of domestic violence.