Box 2.

Exclusion criteria

We excluded studies if they dealt with only

• Learning disabilities
• Involvement in decisions about a user's own treatment
• Providing information to users
• User satisfaction surveys that were researched by the provider (which do not require users' partnership)
• General health services not specifically aimed at mentally ill people
• Forensic services
• Services for mentally ill people which are not health related, such as housing or vocational rehabilitation
• Services with no contact with professionals or which could not be run by professionals which operate outside the mental health system—for example, self help groups