Table 1 Participants’ eligibility criteria
Service users | Mental health professionals |
|---|---|
18–70 years old | Qualification as a mental health professional |
Clinical diagnosis of depression with a duration of illness of at least 2 years | Experience of working in health care for at least 6 months |
Using NHS mental health services for the treatment of depression | Currently (or within the last 6 months) treating individuals with chronic depression |
Capacity to provide informed consent | No plans to leave their post within the next 3 months |
Ability to speak and understand English | – |