Table 1.
Demographics and Clinical Characteristics (Mean and SD)
| PTSD (n=39) | W/out PTSD (n=61) |
Test Statistic | |
|---|---|---|---|
| Gender (female) | 61.5% (24) | 42.6% (26) | χ2=3.40, p=.06, ns |
| Age (years) | 41.7 (11.3) | 42.3 (10.4) | t=−.31, p=.76, ns |
| Minority | 59.0% (23) | 70.5% (43) | χ2=1.40, p=.24, ns |
| Married | 18.0% (7) | 14.8% (9) | χ2=0.18, p=.67, ns |
| Education | 12.6 (1.9) | 12.9 (2.9) | t=.56, p=.57, ns |
| Employed | 51.3% (20) | 55.7% (34) | χ2=0.19, p=.66 |
| Veteran | 25.6% (10) | 23.0% (14) | χ2=.09, p=.76, ns |
| # Trauma types with fear, helplessness, or horror | 9.3 (3.4) | 3.8 (3.4) | t=−7.82, p<.0001 |
| Current MDD diagnosis | 30.8% (12) | 1.6% (1) | χ2=17.8, p=.001 |
| Current other anxiety disorder | 30.8% (12) | 6.6% (4) | χ2=10.38, p=.001 |
| Past substance abuse or dependence | 92% (36) | 67.2 (41)% | χ2=8.4, p=.004 |
| FTND score | 6.1 (2.1) | 5.2 (2.0) | t=−2.02, p=.05 |
| Davidson Trauma Scale | 66.8 (25.0) | 19.1 (33.3) | t=−7.7, p=.0001 |
| Negative affect | 23.8 (8.7) | 15.7 (5.5) | t=−5.2, p=.0001 |
| Baseline CO reading | 25.5 (13.3) | 24.4 (11.3) | t=−0.44, p=.66 |
| Days to lapse | 1.8 (1.8) | 2.7 (2.5) | t=1.98, p=.05 |
| Startle mag (smoking) | .050 (.072) | .027 (.046) | t=−2.64, p=.009 |
| Startle mag (abstinence) | .041 (.049) | .031 (.076) | t=−2.45, p=.016 |
| %PPI (smoking) | 42.9 (67.2) | 42.1 (71.2) | t=−0.06, p=.96 |
| %PPI (abstinence) | 34.9 (68.8) | 33.4 (56.1) | t=−0.18, p=.86 |