Intolerance of uncertainty fuels depressive symptoms through rumination: Cross-sectional and longitudinal studies

Autoři: Vivian Huang aff001;  Mabel Yu aff002;  R. Nicholas Carleton aff002;  Shadi Beshai aff002
Působiště autorů: Department of Psychology, Ryerson University, Toronto, Ontario, Canada aff001;  Department of Psychology, University of Regina, Regina, Saskatchewan, Canada aff002
Vyšlo v časopise: PLoS ONE 14(11)
Kategorie: Research Article
doi: 10.1371/journal.pone.0224865


The current study replicated and extended previous studies by examining the mediating and moderating role of rumination in the relationship between intolerance of uncertainty (IU) and depression in a community sample using both cross-sectional (n = 494; 56.9% female) and a two-months longitudinal (n = 321; 48.4% female) designs. Participants in each study were recruited through online crowdsourcing websites and completed study questionnaires. Results from Study 1 suggested that, while rumination did not appear to moderate the relationship between IU and depression, rumination appeared to partially mediates such relationship. Results from Study 2 supported rumination as fully mediating the relationship between IU and depression over two months. The brooding and reflection rumination subtypes exerted a significant indirect, but not moderating, effect on the relationship between IU and depression. Brooding exhibited a stronger mediation effect than did reflection. Overall, current results suggest that high levels of IU fuel the development of depression symptoms over time through engagement in heightened rumination. The IU-depression association appeared fully explained through rumination as it is a passive and contextually-dependent coping response that may enhance individuals’ emotion and facilitate the development of depressive symptoms.

Klíčová slova:

Anxiety – Cross-sectional studies – Depression – Emotions – Longitudinal studies – Questionnaires – Reflection – Undergraduates


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