Cognitive-behavioural therapy for deliberate self-harm Slee, N.

Citation

Slee, N. (2008, April 24). Cognitive-behavioural therapy for deliberate self-harm. Retrieved from https://hdl.handle.net/1887/12835

Version: Not Applicable (or Unknown)

License: Leiden University Non-exclusive license Downloaded from: https://hdl.handle.net/1887/12835

Note: To cite this publication please use the final published version (if applicable).

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CBT (n=42) TAU (n=48) CBT (n=42) TAU (n=48)

baseline 9-month follow-up

Variable M(SD) M(SD) M(SD) M(SD)

Outcome

DSH 14.63(10.49) 11.32(11.34) 2.06(6.04) 5.39(8.70)*

Proposed mediators: emotion regulation diffi culties (DERS-subscales)

Lack of awareness of emotions 21.39(4.60) 18.34(5.07)* 16.67(5.91) 19.12(4.33)*

Lack of clarity of emotions 17.59(4.02) 16.71(5.24) 12.98(5.21) 16.20(4.58)*

Nonacceptance of emotions 20.92(5.04) 20.88(5.18) 14.37(6.17) 19.49(6.17)**

Limited strategies 22.63(5.60) 23.59(6.03) 15.98(6.85) 22.78(7.50)**

Diffi culties impulse control 25.45(6.11) 26.56(6.80) 17.98(8.51) 25.41(8.17)**

Diffi culties goal-directed behaviours 19.41(3.54) 19.76(3.65) 14.82(5.52) 19.02(4.63)**

Proposed mediators: symptom severity

Depression (BDI-II) 32.53(16.13) 34.24(13.97) 14.33(13.70) 30.12(16.27)**

Anxiety (SCL-90) 29.84(8.51) 28.27(10.55) 20.65(7.94) 28.02(10.57)**

Suicidal Cognitions (SCS) 58.61(14.12) 62.90(19.56) 40.29(18.61) 56.76(18.98)**

* = p<.05; ** = p<.01;

IVWaZ&#Means and standard deviations at baseline and 9-month follow-up for the treatment outcome and proposed mediators

DSH Aware Clarity Nonaccept. Strategies Impulses Goals

DSH _____ .29* .01 .19 .23* .10 .17**

Lack of awareness of emotions _____ .35** .19 .10 .08 .05 Lack of clarity of emotions _____ .34** .25* .53** .26*

Nonacceptance of emotions ______ .48** .40** .48**

Limited strategies ______ .53** .55**

Diffi culties impulse control ________ .72**

Diffi culties goal-directed behaviours ______

* Correlation is signifi cant at the .05 level (2-tailed)

**Correlation is signifi cant at the .01 level (2-tailed)

IVWaZ'#Pearson correlations between the number of episodes of DSH at baseline and emotion regulation in DSH patients (n=90)

.%

DSH Depression Anxiety Suicidal Cognitions

DSH _____ .28** .26* .19

Depression (BDI-II) _________ .53** .74**

Anxiety (SCL-90) _______ .51**

Suicidal Cognitions (SCS) ________________

* Correlation is signifi cant at the .05 level (2-tailed)

**Correlation is signifi cant at the .01 level (2-tailed)

IVWaZ(#Pearson correlations between the number of episodes of DSH at baseline and measures of symptom severity (depression, anxiety and suicidal cognitions) in DSH patients (n=90)

DSH Aware Clarity Nonaccept. Strategies Impulses Goals

DSH _____ .30 *.13 .31** .31** .27* .30**

Lack of awareness of emotions _____ .62** .54** .57** .47** .47**

Lack of clarity of emotions _____ .62** .64** .71** .58*

Nonacceptance of emotions ______ .81** .76** .75**

Limited strategies ______ .81** .82**

Diffi culties impulse control ________ .86**

Diffi culties goal-directed behaviours ______

* Correlation is signifi cant at the .05 level (2-tailed)

**Correlation is signifi cant at the .01 level (2-tailed)

IVWaZ)# Pearson correlations between the number of episodes of DSH at 9-month follow- up and emotion regulation difficulties in DSH patients (n=90)

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;^\jgZ'#Path models of mediated intervention effects with DSH and two of the DERS- subscales: difficulties with impulse control and difficulties with goal-directed behaviours.

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Condition DSH Δ Condition DSH Δ

Condition DSH Δ Impulses Δ

Condition DSH Δ Goals Δ

C = -.298** C = -.298**

C’ =-.208 C’ =-.196

A = -.419*** B = .216* A = -.387*** B = .264*

* = p<.05; ** = p<.01; *** = p<.001

Dotted lines indicate that the mediator variable was controlled for. Δ = change

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