Table 1.
Participant characteristics for individuals who completed the psychophysiology substudy, n = 64.
| Characteristic | % (n) | M (SD) | Observed range | Possible range | Valid n |
|---|---|---|---|---|---|
| Sociodemographic factors | |||||
| Age, years | 61.07 (15.7) | 25-87 | 64 | ||
| Gender (%) | 64 | ||||
| Male | 43.8 (28) | ||||
| Female | 56.3 (36) | ||||
| Race/ethnicity (%) | 64 | ||||
| Hispanic | 42.2 (27) | ||||
| Non-Hispanic White | 20.3 (13) | ||||
| Non-Hispanic Black | 29.7 (19) | ||||
| Non-Hispanic other | 7.8 (5) | ||||
| Educational attainment (%) | 64 | ||||
| Less than or some HS | 18.8 (12) | ||||
| HS graduate | 20.3 (13) | ||||
| Trade school/some college | 20.3 (13) | ||||
| College graduate | 20.3 (13) | ||||
| Graduate school | 20.3 (13) | ||||
| Medical factors | |||||
| Index event category (%) | 64 | ||||
| Stroke | 89.1 (57) | ||||
| TIA | 1.6 (1) | ||||
| Other | 10.4 (6) | ||||
| NIH stroke scale score | 3.39 (3.40) | 0-20 | 0-42 | 56 | |
| History of prior stroke/TIA (%) | 18.8 (12) | 64 | |||
| Charlson Comorbidity Index | 1.26 (1.50) | 0-7 | 0-25 | 64 | |
| Psychosocial factors | |||||
| Perceived threat during stroke/TIA∗ | 7.73 (6.12) | 0-20 | 0-21 | 63 | |
| Acute posttraumatic stress symptoms∗ | 22.00 (7.54) | 14-55 | 14-70 | 64 | |
| Stroke-induced PTSD symptoms at 1 month | 64 | ||||
| Total symptom severity | 8.16 (8.68) | 0-38 | 0-80 | ||
| Total higher-order fear symptoms | 4.27 (4.80) | 0-24 | 0-36 | ||
| Anxious arousal | 1.70 (1.84) | 0-6 | 0-8 | ||
| Avoidance | 0.88 (1.37) | 0-5 | 0-8 | ||
| Reexperiencing | 1.69 (2.81) | 0-14 | 0-20 | ||
| Total higher-order dysphoria symptoms | 3.89 (4.96) | 0-22 | 0-44 | ||
| Dysphoric arousal | 1.39 (1.83) | 0-6 | 0-16 | ||
| Emotional numbing | 2.50 (3.62) | 0-16 | 0-28 | ||
| Probable PTSD at 1 month (PCL-5 score ≥ 33) | 3.1 (2) |
Note: HS=high school; M=mean; PTSD=posttraumatic stress disorder; SD=standard deviation; TIA=transient ischemic attack. ∗Data for these variables were imputed to account for missingness.