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. Author manuscript; available in PMC: 2022 Dec 15.
Published in final edited form as: Psychol Med. 2021 Jun 15;53(3):731–740. doi: 10.1017/S0033291721002075

Table 1.

Sample demographics and characteristics.

M ± SD 95% CI Range
Age (years) 24.16 ± 4.94 [23.28, 25.05] 18, 40
Months since trauma 11.94 ± 6.59 [10.75, 13.13] 1, 24
Nightmare log days 13.52 ± 1.16 [13.31, 13.72] 8, 14
PCL-5 30.02 ± 16.12 [27.12, 32.93] 0, 69
Sex
Female: 83 (68.0%), male: 39 (32.0%)
Education
Unknown/Not reported: 10 (8.2%) High school or equivalent: 4 (3.3%)
College: 46 (37.7%) Bachelor's degree: 40 (32.8%)
Associate's degree: 4 (3.3%) Graduate degree: 18 (14.8%)

Note. M = mean, SD = standard deviation, CI = confidence interval, PCL-5 = PTSD Checklist for DSM-5 (total score, including item 2).