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Worry Postponement From the Metacognitive Perspective: A Randomized Waitlist-Controlled Trial.

Clara Krzikalla1, Ulrike Buhlmann1, Janina Schug1

  • 1Institute of Psychology, University of Münster, Münster, Germany.

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Summary
This summary is machine-generated.

Worry postponement (WP) effectively reduced worry in individuals with generalized anxiety disorder (GAD) when using a metacognitive approach. This intervention showed lasting effects for GAD patients, but limited impact on hypochondriasis.

Keywords:
generalized anxiety disorderhypochondriasismetacognitive therapystand-alone-interventionworry postponement

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Area of Science:

  • Psychology
  • Clinical Psychology
  • Anxiety Disorders

Background:

  • Pathological worry is often linked to the perception of worry as uncontrollable.
  • Worry postponement (WP) using a stimulus control rationale has shown promise in non-clinical groups.
  • Previous studies in generalized anxiety disorder (GAD) populations did not support WP's efficacy in reducing negative metacognitions or worry.

Purpose of the Study:

  • To investigate the effectiveness of worry postponement (WP) utilizing a metacognitive rationale.
  • To assess the impact of WP on negative metacognitions and worry severity in individuals with GAD and hypochondriasis (HYP).

Main Methods:

  • Forty-seven participants with GAD and 35 with HYP were randomized into an intervention group (IG) or waitlist (WL).
  • The IG received a two-session WP intervention focused on reducing negative metacognitions about worry uncontrollability.
  • Participants were instructed to postpone worry to a set time daily for six days and completed assessments pre-intervention, post-intervention, and at follow-up.

Main Results:

  • A significant Time*Group interaction was observed for both negative metacognitions and worry.
  • The treated GAD sample showed significantly lower worry scores compared to the WL group.
  • In the GAD group, small effect sizes were noted for negative metacognitions, while large effect sizes were found for worry, with effects sustained at four-week follow-up.

Conclusions:

  • Worry postponement (WP) with a metacognitive rationale appears effective in reducing worry among individuals diagnosed with GAD.
  • The efficacy of this WP approach for hypochondriasis (HYP) appears limited, potentially due to the smaller sample size in this group.