University of Twente Student Theses


Predicting treatment outcome of a preventive and early intervention for sub-threshold and mild panic disorder

Zonneveld, Alisa van (2012) Predicting treatment outcome of a preventive and early intervention for sub-threshold and mild panic disorder.

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Abstract:Introduction: Each year, 2% to 3% of the adult population is affected by Panic Disorder (PD). The aim of this study is to investigate variables predicting post-treatment effect sizes of a preventive and early intervention in PD. Method: Data concerning demographic information, initial symptom severity and personal variables were collected. A total of 166 participants suffering from panic symptoms followed the ‘Don’t Panic’ course during 8 weeks. Pearson correlations were conducted to explore bivariate relationships between pre-treatment measurements and post-treatment effect sizes. Next, multiple linear regression analyses for all outcome measures with forced entry were completed to investigate the predictive value of the significant findings found in the bivariate analyses. Results: Initial symptom severity proved to be predictive for treatment outcome of all corresponding outcome measures. Demographic variables were of little predictive value. The participants’ expectations of treatment effectiveness explained little but significant additional variance for several outcome measures. Discussion: Participants suffering from more severe pre-treatment symptoms seem to reach more improvement after the course. Additionally, participants with higher expectations of treatment effectiveness show significantly more improvement on several outcome measures after the course. Overall, the ‘Don’t Panic’ course appeared to be suitable for a broad target population, since its efficacy was not clearly restricted by demographics.
Item Type:Essay (Master)
Faculty:BMS: Behavioural, Management and Social Sciences
Subject:77 psychology
Programme:Psychology MSc (66604)
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