What is the definition of less severe depression?

a PHQ-9 score of < 16

What is the definition of more severe depression?

a PHQ-9 score of ≥ 16

In less severe depression when should antidepressant medication be offered?

• if self help and cognitive therapy have failed
• patient preference

What is the first line treatment for severe depression?

a combination of individual cognitive behavioural therapy (CBT) and an antidepressant

What is the Hospital Anxiety and Depression (HAD) scale?

tool for assessing Anxiety and Depression it consists of 14 questions, 7 for anxiety and 7 for depression

What is the Patient Health Questionnaire (PHQ-9)?

assesses for the presence and severity of depressive symptoms and a possible depressive disorder