Elsevier

Behavior Therapy

Volume 46, Issue 4, July 2015, Pages 532-543
Behavior Therapy

Do Metacognitions and Intolerance of Uncertainty Predict Worry in Everyday Life? An Ecological Momentary Assessment Study

https://doi.org/10.1016/j.beth.2015.05.001Get rights and content

Highlights

  • We investigated the role of cognitive factors in excessive worry.

  • This is the first study in this area using ecological momentary assessment.

  • Negative metacognitive beliefs significantly predicted levels of worry.

  • Intolerance of uncertainty was also predictive but did not show incremental value.

  • The cognitive processes may be promising targets for prevention or treatment.

Abstract

Cognitive models of generalized anxiety disorder (GAD) suggest that excessive worry is due to positive and negative metacognitive beliefs and/or intolerance of uncertainty. Empirical support mainly derives from cross-sectional studies with limited conclusiveness, using self-report measures and thereby possibly causing recall biases. The aim of the present study therefore was to examine the power of these cognitive variables to predict levels of worry in everyday life using Ecological Momentary Assessment (EMA). Metacognitions and intolerance of uncertainty were assessed using well-established self-report questionnaires in 41 nonclinical participants who subsequently completed ratings on worry intensity and burden on a portable device for 1 week at seven times a day once every 2 hours. Results showed significant associations of negative metacognitive beliefs and intolerance of uncertainty, but not positive metacognitive beliefs, with worry in everyday life. In multilevel regression analyses, a substantial proportion of variance of everyday worry could be accounted for by negative metacognitions over and above trait worry and daily hassles. Intolerance of uncertainty likewise emerged as a valid predictor when tested in isolation, but did not explain additional variance once negative metacognitions were controlled. The findings support current cognitive models of excessive worry and highlight the role of negative metacognitions. By using EMA to assess levels of worry in everyday life, they extend earlier findings focusing exclusively on retrospective questionnaire measures.

Section snippets

Participants

Participants were 41 students enrolled at a German university (63.4% female; age: M = 23.08 SD = 2.77, range: 19–32; 39% Psychology students). They were invited to participate in the study using posters and email sign-ups.

Questionnaire Measures

The Penn State Worry Questionnaire (PSWQ; Meyer, Miller, Metzger, & Borkovec, 1990; German version: Stöber, 1995) is a 16-item self-report measure of excessive worry (i.e., “I am always worrying about something”). Responses are rated on a 1- to 5-point Likert scale, ranging from

Descriptive statistics and compliance with ambulatory assessment

The dataset consisted of 41 (persons) * 7 (days) * 7 (measurements) = 2,009 observations, while some of the measurements on the first day were missing as pre-appointments took place at the time. As for the total amount of missing data per day, no significant differences were found using analyses of variance for the remaining days under study, F(5, 200) = .38, p = .86. For the effect of daytime, a significant difference was found, F(6, 240) = 3.43, p < .01. The second measurement at 12:00 significantly

Discussion

The main aim of this study was to test the power of cognitive constructs derived from the metacognitive model and the IoU model to predict worry assessed in daily life via EMA. As expected, negative metacognitions, the core component of the metacognitive model, were significantly and substantially correlated with worry assessed via EMA. When predicting EMA-worry scores using multilevel mixed modeling, time (day and daytime) was not a significant predictor, while trait worry initially, and daily

Conclusions

In light of the study limitations, a replication of our findings is clearly necessary. Nevertheless, a number of preliminary conclusions can be drawn. First, our findings support current cognitive models of worry, especially regarding the role of negative metacognitions in the maintenance of worry. More research is needed to further investigate the added predictive value of IoU and/or positive metacognitions as processes that may be more closely linked to the initiation of worry.

Second, as the

Conflict of Interest Statement

All authors state that they have no actual or potential conflict of interest including any financial, personal or other relationships with other people or organizations within three years of beginning the work submitted that could inappropriately influence or bias their work.

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    The authors would like to thank Tina Poppenborg for help conducting the study.

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