Table 4.
Factor Loadings for the EFA Four-Factor Extraction of the PCL-C
| Factors
|
||||||
|---|---|---|---|---|---|---|
| DSM-IV Clustera | Factors and items | I | II | III | IV | Communality |
| Reexperiencing (Factor I) | ||||||
| R | Repeated, disturbing memories | .84 | .11 | .14 | −.07 | .81 |
| R | Acting/feeling experience happening again | .70 | .01 | −.04 | .07 | .53 |
| R | Repeated, disturbing dreams | .66 | −.14 | .05 | −.08 | .41 |
| R | Feeling upset when reminded | .59 | .31 | −.08 | .17 | .62 |
| AN | Feeling your future will be cut shortb | .36 | .04 | .20 | .26 | .42 |
| A | Being super-alert, watchful, or on- guardb | .23 | .11 | .16 | .18 | .24 |
| Avoidance (Factor II) | ||||||
| AN | Avoid thinking or having feelings | −.03 | .78 | .14 | .03 | .70 |
| AN | Avoid activities or situations | .01 | .74 | .14 | −.08 | .59 |
| R | Having physical reactions to remindersb | .28 | .43 | −.16 | .26 | .42 |
| Numbing (Factor III) | ||||||
| AN | Loss of interest in activities | .03 | .02 | .81 | −.07 | .64 |
| AN | Feeling emotionally numb | .02 | .12 | .65 | .04 | .52 |
| AN | Feeling distant or cutoff | .19 | .06 | .47 | .02 | .34 |
| AN | Trouble remembering important parts | −.06 | .02 | .38 | .20 | .23 |
| Arousal (Factor IV) | ||||||
| A | Trouble falling or staying asleep | .18 | −.27 | .03 | .69 | .57 |
| A | Feeling irritable or having angry outbursts | −.09 | .18 | .13 | .68 | .63 |
| A | Feeling jumpy or easily startled | −.02 | .20 | −.01 | .63 | .49 |
| A | Having difficulty concentratingb | .04 | −.09 | .28 | .42 | .34 |
a
DSM-IV PTSD symptom clusters: R = Reexperiencing, AN = Avoidance/Numbing, A = Arousal.
b
Weak items identified using the criterion suggested by Fürntratt (a2/h2 > .5; 1969).