Table 1.
Sample Characteristics
| Overall (n = 1609) |
PTSD (n = 406) |
Non-PTSD (n = 1203) |
||
|---|---|---|---|---|
| Mean (SD); %; Median | Mean (SD); %; Median | Mean (SD); %; Median | Sig. | |
| Sex | 59% Female | 63.1% Female | 58.6% Female | p = .11 |
| Age | 37.2 (11.9); Range 18–80 | 34.16 (12.3); Range 18–80 | 38.28 (10.2); Range 19–73 | p < .001 |
| Education | 15.2 (2.5) | 14.9 (2.8) | 15.4 (2.3) | p < .001 |
| Ethnicity | p = .58 | |||
| Caucasian | 72.8% | 70.9% | 73.4% | |
| Black | 6.3% | 7.6% | 5.8% | |
| Asian | 7.8% | 8.6% | 7.5% | |
| Native Hawaiian / Pacific Islander | 7.0% | 5.9% | 7.3% | |
| Hispanic / Latino | 0.5% | 0.5% | 0.5% | |
| Other | 5.6% | 6.5% | 5.5% | |
| Income | ||||
| < $15,000 | 10.6% | 17.7% | 8.1% | p < .001 |
| $15–30,000 | 19% | 20.4% | 18.5% | |
| $30–$45,000 | 17.8% | 18% | 17.8% | |
| $45–$60,000 | 15.5% | 16.5% | 15.2% | |
| $60–$75,000 | 11.2% | 11.8% | 11.1% | |
| $75–$90,000 | 10.1% | 7.6% | 10.9% | |
| > $90,000 | 15.8% | 8% | 18.4% | |
| Depression (PHQ-9) | 7.81 (6.27) | 14.02 (6.32) | 5.72 (4.67) | p < .001 |
| Anxiety (GAD-7) | 7.25 (5.80) | 13.03 (5.1) | 5.30 (4.57) | p < .001 |
| Alcohol Use (AUDIT) | 5.03 (5.77) | 6.89 (7.52) | 4.40 (4.89) | p < .001 |
| AUDIT 8+ | 22.4% | 33.3% | 18.8% | p < .001 |
| Cannabis Use (CUDIT-R) | 3.58 (5.89) | 5.73 (7.60) | 2.86 (4.98) | p < .001 |
| CUDIT-R 8+ | 20.8% | 32.8% | 16.9% | p < .001 |
Note. PHQ-9 = Patient Health Questionnaire; GAD-7 = Generalized Anxiety Disorder questionnaire; AUDIT = Alcohol Use Disorders Identification Test (Hazardous use defined as AUDIT score of 8 or higher); CUDIT-R = Cannabis Use Disorders Identification Test (Hazardous use defined as a CUDIT-R score of 8 or greater).