Table 2.
DTS items | DSM-IV symptom |
Scale characteristics (n = 158) | Percentage of veterans endorsing symptoma |
|||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
M | S.D. | Skew | Kurtosis | Corrected rtotal | SMC | Alpha if deleted |
No diagnosis (n = 32) |
Other diagnosis (n = 32) |
PTSD (n = 39) |
|||
1. | Painful images, memories or thoughts of the event | B1 | 2.59 | 2.50 | 0.43 | −1.13 | 0.77 | 0.73 | 0.97 | 38 | 69 | 92 |
2. | Distressing dreams of the event | B2 | 1.95 | 2.60 | 0.90 | −0.71 | 0.76 | 0.76 | 0.97 | 25 | 28 | 85 |
3. | Felt as though the event was re-occurring | B3 | 1.66 | 2.40 | 1.05 | −0.35 | 0.71 | 0.66 | 0.97 | 16 | 28 | 77 |
4. | Upset by something which reminded you of the event | B4 | 2.26 | 2.39 | 0.61 | −0.76 | 0.76 | 0.65 | 0.97 | 31 | 59 | 87 |
5. | Avoiding any thoughts or feelings about the event | C1 | 2.30 | 2.87 | 0.76 | −1.02 | 0.78 | 0.68 | 0.97 | 16 | 50 | 90 |
6. | Avoiding doing things or going into situations which remind you about the event | C2 | 1.78 | 2.66 | 1.12 | −0.28 | 0.81 | 0.73 | 0.97 | 19 | 34 | 74 |
7. | Found yourself unable to recall important parts of the event | C3 | 0.93 | 2.14 | 2.29 | 4.09 | 0.56 | 0.37 | 0.97 | 6 | 13 | 44 |
8. | Had difficulty enjoying things | C4 | 2.18 | 2.87 | 0.88 | −0.79 | 0.80 | 0.76 | 0.97 | 13 | 53 | 80 |
9. | Felt distant or cut off from other people | C5 | 2.49 | 3.04 | 0.68 | −1.17 | 0.83 | 0.82 | 0.96 | 13 | 56 | 82 |
10. | Been unable to have sad or loving feelings/generally felt numb | C6 | 1.89 | 2.71 | 1.10 | −0.25 | 0.76 | 0.71 | 0.97 | 9 | 44 | 74 |
11. | Found it hard to imagine having a long life span and fulfilling your goals | C7 | 1.82 | 2.78 | 1.16 | −0.23 | 0.76 | 0.68 | 0.97 | 6 | 44 | 69 |
12. | Had trouble falling asleep or staying asleep | D1 | 3.08 | 3.14 | 0.39 | −1.43 | 0.82 | 0.74 | 0.97 | 31 | 69 | 95 |
13. | Been irritable or had outbursts of anger | D2 | 2.21 | 2.75 | 0.78 | −0.98 | 0.82 | 0.78 | 0.97 | 13 | 56 | 82 |
14. | Had difficulty concentrating | D3 | 2.34 | 2.89 | 0.80 | −0.88 | 0.85 | 0.80 | 0.96 | 13 | 53 | 92 |
15. | Felt on edge, been easily distracted, or had to stay ‘on guard’ | D4 | 2.54 | 3.03 | 0.66 | −1.21 | 0.87 | 0.79 | 0.96 | 16 | 56 | 87 |
16. | Been jumpy or easily startled | D5 | 2.25 | 2.97 | 0.88 | −0.83 | 0.88 | 0.86 | 0.96 | 13 | 53 | 82 |
17. | Been physically upset by reminders of the event | B5 | 1.58 | 2.51 | 1.30 | 0.28 | 0.78 | 0.75 | 0.97 | 9 | 34 | 74 |
Notes. Standard error for skew = 0.19. Standard error for kurtosis = 0.38. SMC, standard multiple correlation.
Endorsement of each symptom (frequency >0) and experience of distress from that symptom (severity >0) within the past week.