@article{CHEN2026, 
author = {Fangyi CHEN and Wei WANG and Xinru HU and Yingtian WANG and Qian YU and Manshu YU and Fan YANG and Xirui QIU and Haining QI and Ye DING and Xiqiao ZHOU and Meng JIANG and Xiaoxiao WANG},
title = {Heterogeneity in association strength between psychological resilience and all-cause mortality among Chinese older adults: a prospective cohort study},
year = {2026},
journal = {Journal of Nanjing Medical University (Natural Sciences)},
volume = {46},
number = {8},
pages = {1197-1210},
keywords = {psychological resilience, mental health, obesity, mortality, old adult},
url = {https://www.sciopen.com/article/10.7655/NYDXBNSN251167},
doi = {10.7655/NYDXBNSN251167},
abstract = {ObjectiveTo explore potential heterogeneity in the association between psychological resilience and all-cause mortality across four obesity indices and to identify subpopulations warranting particular attention.MethodsThis cohort study included 7481 eligible participants from the Chinese Longitudinal Healthy Longevity Survey (CLHLS) surveyed between 2011 and 2012. Cox proportional hazards model was employed to assess the associations between psychological resilience and all-cause mortality. Subpopulation treatment effect pattern plot (STEPP) analysis was further applied to investigate heterogeneity in this association strength among Chinese older adults.ResultsHigher psychological resilience was significantly associated with a lower risk of all-cause mortality among Chinese older adults (all P < 0.001). Significant heterogeneity in the association strength was observed across subpopulations defined by a body shape index (ABSI)(P < 0.001), body roundness index (BRI)(P < 0.001), waist-to-height ratio (WHtR)(P < 0.001), and body mass index (BMI)(P < 0.001).ConclusionThe association strength between psychological resilience and all-cause mortality varies significantly among different subpopulations of Chinese older adults. Older adults classified as overweight by multiple indices are encouraged to maintain higher levels of psychological resilience to reduce all-cause mortality risk.}
}