Skin Conductance Reactivity as a Predictor of Stroke-Induced Posttraumatic Stress Disorder Symptoms: A Dimensional Approach
Table 1
Participant characteristics for individuals who completed the psychophysiology substudy, .
Characteristic
% ()
()
Observed range
Possible range
Valid
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 )
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.
