Appendix Table A1.

Generalized Anxiety Disorder 7-item Scale

Over the last 2 weeks, how often have you been bothered by the following problems?(Use “✓” to indicate your answer)	Not at all	Several days	More than half the days		Nearly every day
1. Feeling nervous, anxious, or on edge	0	1	2		3
2. Not being able to stop or control worrying	0	1	2		3
3. Worrying too much about different things	0	1	2		3
4. Trouble relaxing	0	1	2		3
5. Being so restless that it is hard to sit still	0	1	2		3
6. Becoming easily annoyed or irritable	0	1	2		3
7. Feeling afraid as if something awful might happen	0	1	2		3
(For office coding: Total Score	T_____	= _____	+ _____	+	_____)

Developed by Drs. Robert L. Spitzer, Janet B.W. Williams, Kurt Kroenke, and colleagues, with an educational grant from Pfizer Inc. No permission required to reproduce, translate, display, or distribute.