Rumination about the Russo‐Ukrainian War and its related factors among individuals in Poland and Ukraine.

The present study aimed to investigate the factors associated with the level of rumination about the war among people living in Poland and Ukraine. This cross‐sectional study recruited internet users from advertisements on social media. Levels of rumination, Depression, Anxiety and Stress Scale (DASS), Impact of Event Scale‐Revised (IES‐R), time spent on news of the war, and related demographic variables were collected. The reliability and construct validity of rumination were estimated. Potential factors associated with the level of rumination were identified using univariate linear regression analysis, and further entered into a stepwise multivariate linear regression model to identify independent factors. Due to the non‐normality of distribution, multivariate linear regression with 5000 bootstrap samples was used to verify the results. A total of 1438 participants were included in the analysis, of whom 1053 lived in Poland and 385 lived in Ukraine. The questionnaires on rumination were verified to have satisfactory reliability and validity. After analysis with stepwise and bootstrap regression, older age, female gender, higher DASS and IES‐R scores, and longer time spent on news of the war were significantly associated with higher levels of rumination for both people living in Poland and Ukraine. Lower self‐rated health status, history of chronic medical illness and coronavirus disease 2019 infection were also positively associated with rumination for people living in Poland. We identified several factors associated with the level of rumination about the Russo‐Ukrainian War. Further investigations are warranted to understand how rumination affects individuals' lives during crises such as war. [ABSTRACT FROM AUTHOR]

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