Generalised Anxiety Disorder (GAD-7)

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

Required
Required
Feeling nervous, anxious or on edge Required
Not being able to stop or control worrying Required
Worrying too much about different things Required
Trouble relaxing Required
Being so restless that it is hard to sit still Required
Becoming easily annoyed or irritable Required
Feeling afraid as if something awful might happen Required