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. 2023 Feb 14;13:1070809. doi: 10.3389/fpsyg.2022.1070809

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Copyright © 2023 Wang, Shao, Wu, Zhang, Zhang, Liang and Du.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Mediation of Psychological capital in the relationship between psychological job demand and insomnia symptoms with non-standardized beta values and standard error. **p < 0.01, ***p < 0.001.