Table 1.
Descriptive statistics and the proportion of the sample over the clinical cutoff
| Measure | N | Mean | SD | Clinical cutoff | % over clinical cutoff |
|---|---|---|---|---|---|
| Insomnia Symptoms | 581 | 8.84 | 4.69 | 15 | 13.1% |
| Nightmares | 579 | 3.78 | 4.96 | 11 | 10.2% |
| Depressive Symptoms | 571 | 16.38 | 9.88 | 16 | 44.4% |
| PTSD Symptoms | 577 | 34.30 | 11.81 | 50 | 12.1% |
| Anxiety Symptoms | 497 | 36.83 | 8.31 | 50 | 7.8% |
| Suicidal Ideation | 583 | 1.71 | 2.74 | N/A | N/A |
Based on sample before imputation of missing data.
Insomnia symptoms were measured using the Insomnia Severity Index (ISI), nightmares were measured using the Disturbing Dreams and Nightmares Severity Index (DDNSI), depressive symptoms were measured using the Center for Epidemiological Studies Depression Scale (CESD), PTSD symptoms were measured using the PTSD Checklist-Civilian Version (PCL), anxiety symptoms were measured using the Zung Self-Rating Anxiety Scale (SAS), and suicidal ideation was measured using the Suicidal Behaviors Questionnaire (SBQ).