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. 2019 Jun 7;9:165. doi: 10.1038/s41398-019-0497-3

Table 1.

Sample characteristics by PTSD status of SysBio cohort included in this study

PTSD cases (n = 128) Healthy controls (n = 116) P value
CAPS cur 2.00 (0.00, 6.00) 65.50 (51.75, 80.25) <0.001
CAPS LT 8.00 (3.00, 15.00) 90.00 (77.75, 101.00) <0.001
Female 14% (18) 14% (16) 0.952
BMI 27.35 (24.45, 29.85) 28.25 (25.61, 32.28) 0.028
Age 30.00 (27.75, 37.00) 31.00 (28.75, 36.25) 0.338
Race/ethnicity
Asian 7% (9) 3% (3)
Black 23% (30) 29% (34)
Hispanic 28% (36) 42% (49) 0.026
White 38% (49) 24% (28)
Other 3% (4) 2% (2)
Education
1 2% (3) 3% (4)
2 20% (26) 35% (41)
3 24% (31) 30% (35) 0.009
4 35% (45) 25% (29)
5 17% (22) 6% (7)
6 1% (1) 0% (0)
BDI 3.00 (0.00, 9.25) 24.00 (16.50, 31.00) <0.001

CAPS, Clinician Administered PTSD Scale (cur: current and LT: Life-Time); BMI, Body Mass Index; BDI, Beck Depression Inventory II total score (n = 239)

For continuous variables, Q2 (Q1, Q3) represent the median, the lower quartile, and the upper quartile, respectively. For categorical variables, percentages (and frequencies) are shown. Wilcoxon rank sum test for continuous variables and Pearson χ2 test for categorical variables are used. Education levels: 1, Up to 12th grade; 2, H.S. Diploma or GED; 3, 2 yrs. college A.A. Degree; 4, 4 yrs. College Bachelor’s Degree; 5, Masters Degree; 6, Doctoral Degree