Skip to main content

Table 2 Sample demographics by CAPS score at 30–60 days post-trauma

From: Evaluating a screener to quantify PTSD risk using emergency care information: a proof of concept study

Variable

CAPS IV < 40

CAPS IV ≥ 40

Test Statistic

p

Total Sample

Participants (N (%))

517 (79.91%)

130 (20.09%)

  

647

PDEQ Total Score (Mean; (SD); [95%CI])

15.15 (6.07) = [14.62, 15.67]

21.79 (6.53) [20.66, 22.93]

−10.51 df = 189

0.001a

16.48 (6.71) [15.97, 17.00]

Age (Mean; (SD); [95%CI])

38.91 (15.80) [37.55, 40.28]

34.49 (13.02) [32.23, 36.75]

3.31 df = 234

0.001a

38.02 (15.38) [36.84, 39.21]

Sex

N/A

0.001b

 Female [N(%)]

208 (40.23%)

75 (57.69%)

283 (43.74%)

 Male [N(%)]

309 (59.77%)

55 (42.31%)

Prior trauma c

N/A

0.002 b

 

 None [N (%)]

62 (12.23%)

10 (7.75%)

  

72 (11.32%)

 Non-Interpersonal [N (%)]

208 (41.03%)

36 (27.91%)

  

244 (38.36%)

 Interpersonal [N (%)]

237 (46.75%)

83 (64.34%)

  

320 (50.31%)

Current Trauma d

N/A

0.001 b

 

 MVA [N(%)]

400 (77.52%)

103 (79.84%)

  

503 (77.98%)

 Non-MVA [N(%)]

97 (18.80%)

11 (8.53%)

  

108 (16.74%)

 Interpersonal violence [N(%)]

19 (3.68%)

15 (11.63%)

  

34 (5.27%)

  1. Abbreviations: CAPS clinician administered PTSD Scale for DSM IV, PDEQ peri-traumatic dissociation questionnaire, MVA motor vehicle accidents, df degrees of freedom, N/A not applicable
  2. a Welch’s t-test
  3. b Fisher’s test
  4. c Data on prior trauma history were missing for 12 participants
  5. d Data on current trauma were missing for 2 participants