Belief in a just world, health-related quality of life, and mental health among Chinese patients with chronic obstructiv
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Belief in a just world, health‑related quality of life, and mental health among Chinese patients with chronic obstructive pulmonary disease Kewen Jian1,2 · Shunliang Sun2 · Hangming Dong3 · Xihua Zeng2 Accepted: 19 August 2020 © Springer Nature Switzerland AG 2020
Abstract Purpose Personal belief in a just world (PBJW) has been demonstrated to protect mental health. However, whether general belief in a just world (GBJW) serves adaptive functions for mental health across different groups and cultures remains unclear. This study explored the effects of PBJW and GBJW on mental health and moderating effects of PBJW and GBJW on the relation between health-related quality of life and mental health among patients with chronic obstructive pulmonary disease (COPD) in China. Methods A total of 147 patients with COPD (90.5% male; mean age = 64.44 years) completed measures of health-related quality of life, depression, anxiety, PBJW, and GBJW and provided pulmonary function data. Results Younger age and female sex were related to higher depression; female sex, living with others, and high financial burden were associated with higher anxiety. Worse health-related quality of life and lower PBJW were associated with higher depression and anxiety. An interaction between health-related quality of life and BJW was revealed. For patients with low PBJW, lower health-related quality of life was correlated with higher depression. For patients with stronger endorsement of GBJW, worse health-related quality of life was associated with higher depression and anxiety, but the variance of anxiety caused by interaction was insignificant. Conclusions The findings suggest that for patients with COPD experiencing health deterioration, holding strong PBJW but weak GBJW may be beneficial for mental health. Our study advances our understanding of the different functions of PBJW and GBJW in mental health across different groups and cultures. Keywords Health-related quality of life · Mental health · Depression · Anxiety · Belief in a just world · Chronic obstructive pulmonary disease
Introduction
* Hangming Dong [email protected] * Xihua Zeng [email protected] 1
State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing, China
2
Department of Psychology, School of Public Health (Guangdong Provincial Key Laboratory of Tropical Disease Research), Southern Medical University, Baiyun District, Guangzhou, Guangdong Province, China
3
Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, China
Chronic obstructive pulmonary disease (COPD) is a complex, multisystem disease. It is predicted to be the third leading cause of death in 2030 [1], and approximately 299 million people worldwide suffered from COPD in 2017 [2]. In China, the prevalence of COPD reached 8.6% of the over-20 population, yielding a surprisingly large population of 99.9 million patients [3]. The progression of COPD has a negative influence on patients’ health-
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