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Perceived Organizational Support Associated with Depressive Symptoms Among Petroleum Workers in China: A Cross-Sectional Study

Authors Gu ZH, Qiu T, Tian FQ, Yang SH, Wu H

Received 26 September 2019

Accepted for publication 8 January 2020

Published 28 January 2020 Volume 2020:13 Pages 97—104

DOI https://doi.org/10.2147/PRBM.S232635

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 2

Editor who approved publication: Professor Igor Elman


Zhi-Hui Gu, Tian Qiu, Fang-Qiong Tian, Shi-Han Yang, Hui Wu

Department of Social Medicine, School of Public Health, China Medical University, Shenyang 110000, People’s Republic of China

Correspondence: Hui Wu Email hwu@cmu.edu.cn

Objective: The objective of this study was to explore the association between perceived organizational support (POS) and depressive symptoms, and to further explore whether self-efficacy can act as a moderator between POS and depressive symptoms among Chinese petroleum workers.
Methods: There was a cross-sectional study conducted at a petrochemical enterprise in Liaoning Province, China, from July to August 2018. A series of questionnaires were accomplished by 1836 petroleum workers, including the Center for Epidemiologic Studies Depression Scale (CES-D), the Survey of Perceived Organizational Support (SPOS), and the General Self-Efficacy Scale (GSES). Hierarchical regression analysis was used to examine the relationship of SPOS score, GSES score, and SPOS score×GSES score interaction with CES-D score. A simple slope analysis will be carried out if the interaction has statistical significance.
Results: Hierarchical regression analysis showed that SPOS score (β=− 0.538, P< 0.01) and GSES score (β=− 0.313, P< 0.01) played a main influence on CES-D score. The SPOS score×GSES score interaction term significantly explained an extra 9.7% of the variance (F=253.932, adjusted R2=0.582, ΔR2=0.097, P< 0.01). The interaction term was positively correlated with CES-D score (β=0.334, P< 0.01). The relationship between SPOS score and CES-D score gradually decreased in the low (1 SD below the mean, β=− 0.589, P< 0.01), mean (β=− 0.338, P< 0.01), and high (1 SD above the mean, β=− 0.087, P< 0.01) groups of GSES score.
Conclusion: This study showed that POS and self-efficacy played a main influence on depressive symptoms, and the interaction term was positively correlated with depressive symptoms. Self-efficacy could attenuate the association between POS and depressive symptoms. It suggests that appropriate POS and self-efficacy enhancement measures ought to be supplied to relieve depressive symptoms.

Keywords: moderating role, depressive symptoms, perceived organizational support, self-efficacy, petroleum workers

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