Inclusion Criteria:  Above 18 years old. Suffer from non-malignant persistent pain (defined as pain lasting for more than three months). Managed entirely within a primary care setting.  Exclusion Criteria:  Not fluent in the English language. Have concomitant severe mental health problems or terminal illness. Suffer from pain caused by cancer or other malignancy. Not able to give informed consent (e.g. because of mental state) Takes part in another research study.