Table 2.
Demographic, exposure, and clinical characteristics by PTSD symptom trajectory group
| Full sample (n=206) |
Resistant (n=162) |
Chronic Dysfunction (n=33) |
Delayed Dysfunction (n=11) |
Omnibus test of difference |
Pairwise Contrasts |
||
|---|---|---|---|---|---|---|---|
| n (weighted %) or weighted mean (SE) |
n (weighted %) or weighted mean (SE) |
n (weighted %) or weighted mean (SE) |
n (weighted %) or weighted mean (SE) |
F or χ2 | p | ||
| Age | 69.2 (0.5) | 69.3 (0.6) | 68.3 (1.7) | 68.1 (1.9) | 0.50 | 0.61 | - |
| Female sex | 127 (46.4%) | 95 (49.7%) | 26 (52.0%) | 6 (6.2%) | 11.34 | 0.003 | 1,2>3 |
| White, non-Hispanic race/ethnicity | 136 (76.7%) | 117(86.2%) | 16 (61.9%) | 3 (6.2%) | 54.69 | <0.001 | 1,2>3 |
| Some college or higher education | 103 (41.5%) | 88 (49.7%) | 14 (20.0%) | 1 (0%) | 19.21 | <0.001 | 1>2,3 |
| Married/living with partner | 98 (62.7%) | 85 (69.3%) | 10 (56.0%) | 3 (6.7%) | 23.45 | <0.001 | 1,2>3 |
| Household income >$40K | 78 (35.6%) | 68 (40.3%) | 10 (30.0%) | 0 (0%) | 10.50 | 0.005 | 1,2>3 |
| Employed in past week | 49 (22.5%) | 41 (25.0%) | 7 (20.0%) | 1 (0%) | 6.50 | 0.039 | 1>3 |
| Experienced disaster prior to Ike | 99 (59.3%) | 75 (56.2%) | 20 (60.0%) | 4 (87.5%) | 5.88 | 0.053 | 3>1 |
| Hurricane Ike exposure | 1.9 (2.1) | 1.1 (0.1) | 4.4 (0.3) | 5.3 (0.3) | 111.29 | <0.001 | 2,3>1 |
| Serious illness or injury before Ike | 105 (46.4%) | 81 (49.3%) | 19 (54.2%) | 5 (6.2%) | 11.48 | 0.003 | 1,2>3 |
| History of psychopathology | 43 (34.7%) | 26 (18.4%) | 15 (68.8%) | 2 (93.3%) | 5.88 | 0.053 | 2,3>1 |
| Autonomic activation | 1.7 (0.2) | 0.9 (0.2) | 4.8 (0.5) | 3.6 (0.6) | 28.99 | <0.001 | 2,3>1 |
| Dissociative symptoms | 10.6 (0.4) | 9.2 (0.4) | 17.0 (0.9) | 13.2 (1.1) | 33.20 | <0.001 | 2>3>1 |
| Number of traumas before Ike | 2.6 (0.1) | 2.4 (0.1) | 3.0 (0.4) | 3.5 (0.4) | 3.58 | 0.030 | 3>1,2 |
| Number of stressors before Ike | 3.9 (0.2) | 3.7 (0.2) | 5.3 (0.6) | 2.9 (0.6) | 4.60 | 0.011 | 2>1,3 |
| Number traumas after Ike | 0.8 (0.1) | 0.5 (0.1) | 0.7 (0.2) | 3.3 (0.2) | 94.01 | <0.001 | 3>1,2 |
| Number of stressors after Ike | 2.2 (0.2) | 1.0 (0.1) | 3.1 (0.4) | 11.2 (0.4) | 244.35 | <0.001 | 3>2>1 |
| Collective efficacy | 3.9 (0.1) | 4.1 (0.1) | 3.6 (0.2) | 2.9 (0.2) | 16.29 | <0.001 | 1>2>3 |
Note. 1=Resistant group; 2=Chronic Dysfunction group; and 3=Delayed Dysfunction group.