The association between mindfulness, psychological flexibility, and rumination in predicting mental health and well-being among university students using machine learning and structural equation modeling

Objectives: This study explores the intricate relationships between mindfulness, psychological flexibility, rumination, and their combined impact on mental health and well-being. Methods: Random forest regression on survey data from 524 undergraduate students was used to identify significant predict...

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Bibliographic Details
Main Authors: Ruohan Feng, Vaibhav Mishra, Xin Hao, Paul Verhaeghen
Format: Article
Language:English
Published: Elsevier 2025-03-01
Series:Machine Learning with Applications
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Online Access:http://www.sciencedirect.com/science/article/pii/S2666827024000902
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Summary:Objectives: This study explores the intricate relationships between mindfulness, psychological flexibility, rumination, and their combined impact on mental health and well-being. Methods: Random forest regression on survey data from 524 undergraduate students was used to identify significant predictors from a comprehensive set of psychological variables. Neural networks were then trained on various combinations of these predictors to evaluate their performance in predicting mental health and well-being outcomes. Finally, structural equation modeling (SEM) was employed to validate a model based on the identified key predictors, focusing on pathways from mindfulness through psychological flexibility to rumination and well-being. Results: The random forest analysis revealed that the mindfulness variables exerted their influence partially indirectly through psychological flexibility and rumination. The deep neural network analysis supported these findings and additionally showed that the mindfulness manifold model (consisting of self-awareness, self-regulation, and self-transcendence) was superior to the Five Facet Mindfulness Questionnaire variables in predicting mental health outcomes. The SEM analysis confirmed that psychological flexibility, particularly its avoidance and acceptance components, mediated the relationship between mindfulness and mental health. The hypothesized serial mediation pathway—mindfulness affecting psychological flexibility, which then influences rumination and subsequently mental health and well-being—was supported by the data. Self-transcendence was a particularly powerful predictor of mental health outcomes. Conclusions: The findings underscore the critical role of psychological flexibility and rumination in mediating the effects of mindfulness on mental health and well-being, suggesting that enhancing mindfulness and psychological flexibility might significantly reduce rumination, thereby improving overall mental health and well-being.
ISSN:2666-8270