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. 2023 Mar 3;11(5):749. doi: 10.3390/healthcare11050749

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© 2023 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Node diagram for the mediation analysis. The dotted line represents the effect of socioeconomic status on quality of life, when social capital is not taken into account as a mediator. The paths a, b and c’ are direct effects.