TABLE 1.

Rating scale scoring

Scale	Explanation
Posttraumatic Stress Disorder Checklist Scale
0-10	No/minimal symptoms
11-20	Mild symptoms
21-40	Moderate symptoms
41-60	Sever symptoms
61-80	Very severe symptoms
Insomnia Severity Index
0-7	No clinically significant insomnia
8-14	Subthreshold insomnia
15-21	Clinical insomnia (moderate)
22-28	Clinical insomnia (severe)
Clinically Administered Posttraumatic Stress Disorder Scale: Nightmare Frequency
0	Never
1	Once/twice
2	1-2 times/wk
3	Several times/wk
4	Daily/almost daily
Clinically Administered Posttraumatic Stress Disorder Scale: Nightmare Intensity
0	None
1	Mild/minimal distress, may not have awoken
2	Moderate, may have awoken in distress but can readily return to sleep
3	Severe, considerable distress, difficulty returning to sleep
4	Extreme, incapacitating distress, did not return to sleep