A Correlational Analysis of the Relationships among Intolerance of Uncertainty, Anxiety Sensitivity, Subjective Sleep Quality, and Insomnia Symptoms

In this study, we used structural equation modeling to investigate the interplay among Intolerance of Uncertainty (IU), Anxiety Sensitivity (AS), and sleep problems. Three hundred undergraduate students completed the Intolerance of Uncertainty Scale, the Intolerance of Uncertainty Inventory, the Anx...

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Bibliographic Details
Published in:International journal of environmental research and public health 2019-09, Vol.16 (18), p.3253
Main Authors: Lauriola, Marco, Carleton, R Nicholas, Tempesta, Daniela, Calanna, Pierpaolo, Socci, Valentina, Mosca, Oriana, Salfi, Federico, De Gennaro, Luigi, Ferrara, Michele
Format: Article
Language:English
Subjects:
Adult
Anxiety - psychology
Anxiety disorders
Comorbidity
Correlation analysis
Emotions
Female
Humans
Insomnia
Intolerance
Male
Mental depression
Mental disorders
Psychopathology
Quality
Rumination
Sensitivity analysis
Severity of Illness Index
Signs and symptoms
Sleep
Sleep disorders
Sleep Initiation and Maintenance Disorders - psychology
Students
Studies
Uncertainty
University students
Worry
Young Adult
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Summary:In this study, we used structural equation modeling to investigate the interplay among Intolerance of Uncertainty (IU), Anxiety Sensitivity (AS), and sleep problems. Three hundred undergraduate students completed the Intolerance of Uncertainty Scale, the Intolerance of Uncertainty Inventory, the Anxiety Sensitivity Index, the Beck Depression Inventory, the State-Trait Anxiety Inventory, the Pittsburgh Sleep Quality Index and the Insomnia Severity Index. 68% and 40% of the students reported poor sleep quality or sub-threshold insomnia problems, respectively. Depression and anxiety levels were above the cut-off for about one-fourth of the participants. Structural equation modeling revealed that IU was strongly associated with AS, in turn influencing both insomnia severity and sleep quality via depression and anxiety. Significant indirect effects revealed that an anxious pathway was more strongly associated with insomnia severity, while a depression pathway was more relevant for worsening the quality of sleep. We discussed the results in the frameworks of cognitive models of insomnia. Viewing AS and IU as antecedents of sleep problems and assigning to AS a pivotal role, our study suggested indications for clinical interventions on a population at risk for sleep disorders.
ISSN:1660-4601
1661-7827
1660-4601
DOI:10.3390/ijerph16183253