Table. 4. Inferential Statistics Comparing Pre- and Post-Treatment Clinical Outcomes for Sexual Orientation Groups.
| Bisexual/Pansexual (N = 46) | Gay/Lesbian (N = 15) | Heterosexual (N = 36) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Variable | Ax
M (SD) |
End
M (SD) |
t | d | 95% CI | Ax
M (SD) |
End
M (SD) |
t | d | 95% CI | Ax
M (SD) |
End
M (SD) |
t | d | 95% CI |
| MSI-BPD | 8.63 (1.42) |
5.37 (3.33) |
6.62** | 0.98 | 0.62-1.35 | 8.93 (1.42) |
5.60 (3.09) |
4.71** | 1.22 | 0.53-1.88 | 7.75 (2.10) |
5.28 (3.49) |
4.68** | 0.78 | 0.40-1.15 |
| DERS | 138.26 (16.82) |
107.76 (33.90) |
5.92** | 0.87 | 0.53-1.21 | 138.40 (22.10) |
114.20 (31.07) |
3.46 ** | 0.89 | 0.28-1.49 | 137.68 (21.41) |
113.04 (32.08) |
4.26** | 0.71 | 0.34-1.07 |
| RFL | 2.72 (0.89) |
3.61 (1.08) |
-4.56** | -0.67 | -0.99-0.35 | 2.25 (0.72) |
2.80 (0.60) |
-2.35* | -0.61 | -1.15-0.05 | 2.54 (1.09) |
3.04 (1.29) |
-2.35* | -0.39 | -0.73-0.05 |
| MFQ | 45.67 (11.14) |
34.77 (18.33) |
3.83** | 0.56 | 0.25-0.87 | 47.73 (8.89) |
37.87 (15.29) |
2.51* | 0.65 | 0.08-1.20 | 45.33 (10.88) |
36.72 (17.83) |
3.49** | 0.58 | 0.23-0.93 |
| SCARED | 49.24 (12.87) |
42.38 (19.72) |
2.84 ** | 0.42 | 0.12-0.72 | 52.07 (17.34) |
44.93 (19.25) |
3.34** | 0.86 | 0.56-1.45 | 50.18 (14.53) |
46.85 (19.29) |
1.39 | 0.23 | -0.10-0.56 |
| Pre- Mdn (R) |
Post- Mdn (R) |
Z | r | Pre- Mdn (R) |
Post- Mdn (R) |
Z | r | Pre- Mdn (R) |
Post- Mdn (R) |
Z | r | ||||
| Self-Injury | 3.00 (0-43) |
0.00 (0-71) |
-3.86** | -0.57 | 2.00
(0- 33) |
0.00
(0- 42) |
-1.50 | -0.39 | 5.00 (0-56) |
1.00 (0-11) |
-4.07** | -0.68 | |||
| A&E | 1.00 (0-20) |
0.00 (0-10) |
-3.93** | -0.58 | 2.00 (0- 10) |
0.00 (0- 2) |
-2.72** | -0.70 | 2.00 (0-15) |
0.00 (0-5) |
-3.22** | -0.54 | |||
| Inpatient Days |
2.00 (0-341) |
0.00 (0-2) |
-4.31** | -0.64 | 0.00
(0- 335) |
0.00
(0- 5) |
-2.37* | -0.61 | 10.50 (0-180) |
0.00 (0-14) |
-4.06** | -0.68 | |||
Notes. p = <.05, ** p = <.01. N = sample size. Ax = assessment, End = end of DBT. M = mean, SD = standard deviation. Cohen’s d small effect = ≥0.20, medium effect = ≥0.50, large effect = ≥0.80 (Cohen, 1988). Rosenthal’s r small effect = ≥0.10, medium effect = ≥0.30, large effect = ≥0.50 (Cohen, 1988). T = paired samples t-test. Mdn = median. R = range. Z = Wilcoxon Signed Rank Test Z statistic. MSI-BPD = MacLean Screening Instrument for BPD, clinical cut-off = ≥7. DERS = Difficulties with Emotion Regulation Scale, clinical cut-off = ≥128. RFL = Reasons for Living Inventory. MFQ = Moods and Feelings Questionnaire, clinical cut-off = ≥29. SCARED = Screen for Child Anxiety-Related Emotional Disorders, clinical cut-off = ≥25. Self-harm = count of suicidal and non-suicidal self-harm in the first eight weeks (Pre) and last eight weeks (Post) of DBT. A&E = count of Accident and Emergency Department visits in the matched period before DBT (Pre) and during DBT (Post). Inpatient Days = occupied inpatient bed days in the matched period before DBT (Pre) and during DBT (Post).