Title |
Association between psychological resilience and all-cause mortality in the Health and Retirement Study
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Published in |
BMJ Mental Health, September 2024
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DOI | 10.1136/bmjment-2024-301064 |
Pubmed ID | |
Authors |
Aijie Zhang, Liqiong Zhou, Yaxian Meng, Qianqian Ji, Meijie Ye, Qi Liu, Weiri Tan, Yeqi Zheng, Zhao Hu, Miao Liu, Xiaowei Xu, Ida K. Karlsson, Sara Hägg, Yiqiang Zhan |
Abstract |
Psychological resilience refers to an individual's ability to cope with and adapt to challenging life circumstances and events. This study aims to explore the association between psychological resilience and all-cause mortality in a national cohort of US older adults by a cross-sectional study. The Health and Retirement Study (2006-2008) included 10 569 participants aged ≥50. Mortality outcomes were determined using records up to May 2021. Multivariable Cox proportional hazards models were used to analyse the associations between psychological resilience and all-cause mortality. Restricted cubic splines were applied to examine the association between psychological resilience and mortality risk. During the follow-up period, 3489 all-cause deaths were recorded. The analysis revealed an almost linear association between psychological resilience and mortality risk. Higher levels of psychological resilience were associated with a reduced risk of all-cause mortality in models adjusting for attained age, sex, race and body mass index (HR=0.750 per 1 SD increase in psychological resilience; 95% CI 0.726, 0.775). This association remained statistically significant after further adjustment for self-reported diabetes, heart disease, stroke, cancer and hypertension (HR=0.786; 95% CI 0.760, 0.813). The relationship persisted even after accounting for smoking and other health-related behaviours (HR=0.813; 95% CI 0.802, 0.860). This cohort study highlights the association between psychological resilience and all-cause mortality in older adults in the USA. Psychological resilience emerges as a protective factor against mortality, emphasising its importance in maintaining health and well-being. |
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