Table 2. Characteristics of GAD-7 scale ( N = 523) .

	Over the last 2 wk, how often have you been bothered by the following problems?	Mean	SD
Abbreviations: GAD, Generalized Anxiety Disorder; SD; standard deviation. a Moderate anxiety level.
GAD-1	Feeling nervous, anxious, or on edge	1.03	0.986
GAD-2	Not being able to stop or control worrying	0.91	0.964
GAD-3	Worrying too much about different things	1.20	1.009
GAD-4	Trouble relaxing	0.99	1.006
GAD-5	Being so restless that it is hard to sit still	0.74	1.032
GAD-6	Becoming easily annoyed or irritable	1.18	1.007
GAD-7	Feeling afraid as if something awful might happen	1.08	1.041
Total score		7.16 a	5.755