Table 3.
Cohen’s d Within and Between-Group Effect Sizes of Differences in Average Values
| Within-Group Effect Sizes | Between-Group Effect Sizes | ||||||||
|---|---|---|---|---|---|---|---|---|---|
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| DBT + DBT PE | DBT + DBT PE vs. DBT-No DBT PE | DBT + DBT PE vs. DBT | |||||||
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| Stage 1 vs. 2 |
Stage 2 vs. 3 |
Stage 1 vs. 3 |
Stage 1 vs. Leg 1 |
Stage 2 vs. Leg 2 |
Stage 3 vs. Leg 3 |
Stage 1 vs. Leg 1 |
Stage 2 vs. Leg 2 |
Stage 3 vs. Leg 3 |
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| d (CI) | d (CI) | d (CI) | d (CI) | d (CI) | d (CI) | d (CI) | d (CI) | d (CI) | |
| PTSD severity | 0.08 (−0.82, 0.98) | 1.72*** (0.82, 2.62) | 1.37** (0.47, 2.27) | 0.05 (−0.59, 0.69) | −0.10 (−0.74, 0.54) | 0.59 (−0.04, 1.23) | 0.07 (−0.56, 0.71) | 0.30 (−0.34, 0.94) | 0.50 (−0.14, 1.13) |
| BPD severity | 0.28 (−0.62, 1.18) | 0.69 (−0.21, 1.59) | 0.74 (−0.16, 1.64) | −0.25 (−0.88, 0.39) | 0.57 (−0.07, 1.21) | 0.61 (−0.03, 1.25) | 0.29 (−0.35, 0.93) | 0.46 (−0.18, 1.09) | 0.52 (−0.11, 1.16) |
| Global well-being | −0.69 (−1.59, 0.21) | 0.11 (−0.79, 1.01) | −0.50 (−1.41, 0.40) | −0.03 (−0.67, 0.60) | −0.88** (−1.51, −0.24) | −0.95** (−1.59, −0.31) | 0.06 (−0.58, 0.69) | −0.56 (−1.20, 0.08) | −0.92** (−1.56, −0.28) |
| State dissociation | −0.71 (−1.61, 0.19) | 0.70 (−0.20, 1.60) | 0.04 (−0.86, 0.94) | 0.09 (−0.54, 0.73) | 0.07 (−0.56, 0.71) | 0.29 (−0.35, 0.93) | 0.24 (−0.39, 0.88) | 0.32 (−0.32, 0.95) | 0.50 (−0.14, 1.13) |
| Urges to suicide | −0.20 (−1.10, 0.70) | 0.17 (−0.73, 1.06) | −0.02 (−0.92, 0.88) | −0.03 (−0.66, 0.61) | 0.01 (−0.63, 0.65) | −0.03 (−0.67, 0.60) | 0.22 (−0.41, 0.86) | 0.43 (−0.20, 1.07) | 0.36 (−0.28, 0.99) |
| Urges to self-harm | −0.10 (−1.00, 0.80) | 0.79 (−0.11, 1.69) | 0.51 (−0.38, 1.41) | −0.29 (−0.93, 0.35) | −0.18 (−0.82, 0.46) | −0.04 (−0.68, 0.60) | 0.03 (−0.60, 0.67) | 0.40 (−0.23, 1.04) | 0.37 (−0.27, 1.00) |
| Urges to use substances | −0.54 (−1.44, 0.36) | −0.23 (−0.67, 1.13) | −0.20 (−1.10, 0.70) | 0.35 (−0.29, 1.00) | 0.004 (−0.63, 0.64) | 0.18 (−0.45, 0.82) | 0.19 (−0.44, 0.83) | 0.36 (−0.27, 1.00) | 0.27 (−0.37, 0.90) |
| Urges to quit therapy | −0.58 (−1.48, 0.32) | 0.72 (−0.18, 1.62) | 0.11 (−0.79, 1.01) | 0.55 (−0.09, 1.19) | 0.58 (−0.06, 1.21) | 0.71* (0.07, 1.34) | 0.14 (−0.49, 0.78) | 0.41 (−0.22, 1.05) | 0.32 (−0.32, 0.96) |
Note. CI = 95% Confidence interval. Effect sizes with an asterisk represent statistically significant differences in the multi-phase mixed effect models. Positive within-group effect sizes indicate decreases in scores in the later stage of treatment.
p < .05,
**
p < .01,
***
p < .001.