01 Repeated, disturbing, and unwanted memories of the stressful experience?
0 Not at all 1 A little bit 2 Moderately 3 Quite a bit 4 Extremely
02 Repeated, disturbing dreams of the stressful experience?
0 Not at all 1 A little bit 2 Moderately 3 Quite a bit 4 Extremely
03 Suddenly feeling or acting as if the stressful experience were actually happening again?
0 Not at all 1 A little bit 2 Moderately 3 Quite a bit 4 Extremely
04 Feeling very upset when something reminded you of the stressful experience?
0 Not at all 1 A little bit 2 Moderately 3 Quite a bit 4 Extremely
05 Having strong physical reactions when something reminded you of the stressful experience (for example, heart pounding, trouble breathing, sweating)?
0 Not at all 1 A little bit 2 Moderately 3 Quite a bit 4 Extremely
06 Avoiding memories, thoughts, or feelings related to the stressful experience?
0 Not at all 1 A little bit 2 Moderately 3 Quite a bit 4 Extremely
07 Avoiding external reminders of the stressful experience (for example, people, places, conversations, activities, objects, or situations)?
0 Not at all 1 A little bit 2 Moderately 3 Quite a bit 4 Extremely
08 Trouble remembering important parts of the stressful experience?
0 Not at all 1 A little bit 2 Moderately 3 Quite a bit 4 Extremely
09 Having strong negative beliefs about yourself, other people, or the world?
0 Not at all 1 A little bit 2 Moderately 3 Quite a bit 4 Extremely
10 Blaming yourself or someone else for the stressful experience or what happened after it?
0 Not at all 1 A little bit 2 Moderately 3 Quite a bit 4 Extremely
11 Having strong negative feelings such as fear, horror, anger, guilt, or shame?
0 Not at all 1 A little bit 2 Moderately 3 Quite a bit 4 Extremely
12 Loss of interest in activities that you used to enjoy?
0 Not at all 1 A little bit 2 Moderately 3 Quite a bit 4 Extremely
13 Feeling distant or cut off from other people?
0 Not at all 1 A little bit 2 Moderately 3 Quite a bit 4 Extremely
14 Trouble experiencing positive feelings (for example, being unable to feel happiness or have loving feelings for people close to you)?
0 Not at all 1 A little bit 2 Moderately 3 Quite a bit 4 Extremely
15 Irritable behaviour, angry outbursts, or acting aggressively?
0 Not at all 1 A little bit 2 Moderately 3 Quite a bit 4 Extremely
16 Taking too many risks or doing things that could cause you harm?
0 Not at all 1 A little bit 2 Moderately 3 Quite a bit 4 Extremely
17 Being super-alert, watchful, or on guard?
0 Not at all 1 A little bit 2 Moderately 3 Quite a bit 4 Extremely
18 Feeling jumpy or easily startled?
0 Not at all 1 A little bit 2 Moderately 3 Quite a bit 4 Extremely
19 Having difficulty concentrating?
0 Not at all 1 A little bit 2 Moderately 3 Quite a bit 4 Extremely
20 Trouble falling or staying asleep?
0 Not at all 1 A little bit 2 Moderately 3 Quite a bit 4 Extremely