Table 6 Demographic variables
|  | Healthy controls (N = 41) | BPD (N = 44) | Test Statistic T (DF) | Prob>|t| or Prob > ChiSq |
|---|---|---|---|---|
Age (total eligible sample) (years, mean, SD) (N = 130) | 26.78 (7.93) | 30.81 (10.27) | t(120.31) = 2.50 | 0.013 |
Age (PSG final sample) (years, mean, SD) (N = 85) | 26.21(6.95) | 31.06 (10.64) | t(74.62) = 2.50 | 0.014 |
BMI, kg/m2 (N = 82) | 22.39(2.48) | 27.64 (6.98) | t(49.96) = 4.53 | < 0.001*** |
Education (N, %) |  |  | x²=12.97 | < 0.011 |
- Elementary | 1 (2.44) | 4 (9.09) | Â | Â |
- Middle school | 0 (0) | 3 (6.82) | Â | Â |
- High school | 9 (21.95) | 18 (40.91) | Â | Â |
- Higher education | 30 (73.17) | 16 (36.36) | Â | Â |
- Missing values | 1 (2.44) | 3 (46.82) | Â | Â |
(N = 85) | n = 41 | n = 44 |  |  |
Occupational status (N, %) | Â | Â | Â | Â |
- Employed | 20 (50.00) | 7 (16.67) | x²=33.30 | < 0.001*** |
- Employed part-time | 0 (0) | 2 (4.76) | Â | Â |
- Student | 19 (47.50) | 9 (21.43) | Â | Â |
- Unemployed | 0 (0) | 3 (7.14) | Â | Â |
- Receiving disabilities | 0 (0) | 11 (26.19) | Â | Â |
- Unemployment benefits/paid sick leave | 0 (0) | 2 (4.76) | Â | Â |
- None | 1 (2.50) | 7 (16.67) | Â | Â |
- Other | 0 (0) | 1 (2.38) | Â | Â |
(N = 82) | n = 40 | n = 42 |  |  |
DSM Diagnosis (N, %) |  |  | x²=85.00 | < 0.001*** |
- Past MDD/MDE | 0 | 39 (88.64) | Â | Â |
- Current MDD/MDE | 0 | 30 (68.818) | Â | Â |
- PTSD diagnosis | 0 | 27 (61.36) | Â | Â |
- NSSI or suicidal behaviour in the past month | 0 | 27 (62.79) | Â | Â |
- Anxiety Disorders | 0 | 15 (34.09) | Â | Â |
- Current Eating Disorders | 0 | 18 (40.91) | Â | Â |
- Alcohol Use Disorder | 0 | 11 (25.00) | Â | Â |
- Substance Use Disorder | 0 | 11 (25.00) | Â | Â |
(N = 85) | n = 41 | n = 44 |  |  |
Psychotropic medication use (N, %) |  |  | x²=85.00 | < 0.001*** |
- SSRI, SNRI, NRI, | 0 | 29 (65.91) | Â | Â |
- NDRI | 0 | 3 (6.67) | Â | Â |
- Mirtazapine, trazodone | 0 | 11 (25.00) | Â | Â |
- Haloperidol and atypical antipsychotics | 0 | 27 (61.36) | Â | Â |
- Alfa or beta blockers, alfa agonists (i.e. prazosin, nabilol, clonidine) (N = 85) | 0 | 7 (15.91) |  |  |