Browsing by Autor "Ana Maria Ossa Toro"

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    Effects of Social Capital on Depression in University Students
    (Multidisciplinary Digital Publishing Institute, 2025) Mario Eduardo Castro Torres; Pablo Marcelo Vargas-Piérola; Aarón Marco Layme Mamani; Ana Maria Ossa Toro; A.L Lara Domínguez; Carlos F. Pinto
    This study examines how bonding social capital (BSC) is related to depression symptoms (Dsym) in university students, focusing on the mediating roles of socio-emotional support, instrumental support, self-efficacy, self-esteem, and academic stress. A cross-sectional design was employed, with data collected from 217 undergraduate students (from an initial sample of 250) using validated questionnaires. Data were analyzed using partial least squares structural equation modeling (PLS-SEM) to evaluate direct and indirect relationships. The key findings indicate that BSC has an indirect, relevant, and significant negative effect on Dsym (H5) (β = -0.201, 95% CI [-0.266, -0.216]) through six routes, involving enhanced self-esteem and reduced academic stress. The model highlights self-esteem as a critical mediator between social capital and mental health outcomes. With strong predictive validity (R<sup>2</sup> ≥ 0.1, Q<sup>2</sup> > 0, PLS-SEM RMSE < LM), the study provides a framework for potential interventions. The theoretical contributions include distinguishing social capital from support and prioritizing self-esteem over self-efficacy in depressive pathways. Although the cross-sectional design limits causal inferences, the model advances systemic approaches to student mental health, highlighting the need for longitudinal validation in diverse contexts.