TABLE 1.
Rotated (promax) standardized regression coefficients based on EFA of CIDI PTSD symptom questions (n = 23,936)a
| I | II | III | IV | |
|---|---|---|---|---|
| I. Re-experiencing | ||||
| Repeated unwanted memories of random event | .84 | .11 | .00 | .03 |
| Repeated unpleasant dreams about random event | .79 | .06 | –.02 | .05 |
| Flashbacks of random event happening | .84 | .06 | –.07 | .05 |
| Get very upset when reminded of random event | .87 | .00 | .10 | –.05 |
| Have physical reactions when reminded of random event | .59 | –.05 | .16 | .20 |
| II. Avoidance | ||||
| Try not to think about random event | .13 | .82 | –.05 | .10 |
| Purposely stay away from things that remind of random event | –.03 | .75 | .28 | .05 |
| III. Numbing | ||||
| Unable to remember important parts of random event | –.01 | .48 | .46 | –.10 |
| Lose interest in things used to enjoy | .14 | .09 | .84 | –.11 |
| Feel emotionally distant/cut-off from people | .08 | .14 | .84 | –.03 |
| Trouble feeling love/happiness toward others | –.06 | .12 | .87 | .08 |
| Feel no reason to plan for the future | –.07 | .09 | .79 | .11 |
| IV. Arousal | ||||
| Trouble falling asleep during random event | .32 | –.12 | .18 | .50 |
| More irritable than usual during random event | .09 | –.17 | .37 | .55 |
| More trouble concentrating during random event | .21 | –.20 | .50 | .39 |
| Much more alert/watchful with no real need | –.03 | .22 | –.14 | .94 |
| More easily startled by ordinary noises | .08 | .11 | –.01 | .83 |
a
Principal axis factor analysis of weighted (see the text for a discussion of weighting) tetrachoric correlation matrix of responses to dichotomous symptom questions.