GAD-7

• 7 questions with 4 options as responses to each question. Score is calculated by assigning scores of 0, 1, 2, and 3, to the response categories of 'not at all', 'several days', 'more than half the days' and 'nearly every day' adding up to a total of 21.

• Scores of 5, 10, and 15 are taken as cut-off points for mild, moderate, and severe anxiety respectively.

• Over the last 2 weeks, how often have you been bothered by any of the following problems?

  1. Feeling afraid as if something awful might happen

  2. Becoming easily annoyed or irritable

  3. Being so restless that it is hard to sit still

  4. Trouble relaxing

  5. Worrying too much about different things

  6. Not being able to stop or control worrying

  7. Feeling nervous, anxious, or on edge.

Generalised anxiety disorder questionnaire (GAD-2)

• Shortened version of GAD-7 and consists of the first two questions of the GAD-7