Table 1 Sample characteristics.

β and p values are from regression analyses in which EF groups predicted demographics, clinical, and cognitive measures. Significant effects are bolded, and these were included as covariates in follow-up functional connectivity and chronicity analyses. Re-experiencing, avoidance/numbing, and hyperarousal scales are symptom clusters from the CAPS-IV.
EF executive functioning, Imp impaired EF, Avg average EF, Abv above-average EF, PTSD+ Individuals with a PTSD diagnosis, PTSD− Individuals without a PTSD diagnosis, Verbal Ability total score from the Wechsler Test of Adult Reading, CAPS-IV Total total score from the Clinical-Administered PTSD Scale for DSM-IV, Mild TBI Mild military TBI flag from the Boston Assessment of Traumatic brain injury-lifetime, Alcohol Use average number of drinks on a drinking day from the Lifetime Drinking History, Depression and Anxiety total scores from Depression Anxiety Stress Scale, Sleep Dysfunction global sleep score from the Pittsburgh Sleep Quality Index global sleep score, Chronic Pain average pain in the last month score from the McGill Short Form.
^aχ2 test was used to test for proportional differences across EF groups.
^bNo statistical test conducted due to the small size for participants that identified as American Indian, Asian, Black, and Pacific Islander.

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