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- Title
Psycho-social dimensions of cardiovascular risk: exploring the impact of social isolation and loneliness in middle-aged and older adults.
- Authors
Ding, Lilu; Dai, Ruoqi; Qian, Jing; Zhang, Hui; Miao, Jingyou; Wang, Jing; Tan, Xiao; Li, Yingjun
- Abstract
Background: Cardiovascular disease (CVD) is a major health concern for middle-aged and older adults, with lifestyle and metabolic risk factors well-studied. However, the role of psychosocial factors in CVD remains underexplored. Objective: This study aims to delve into the connection between psychosocial factors and the occurrence of CVD. Methods: We utilized data from the UK Biobank, a large-scale study covering adults aged 38 to 73 recruited from various centers across the UK between 2006 and 2010. We employed Cox proportional hazards models to analyze the relationship between social isolation, loneliness, and incident CVD. CVD diagnoses were confirmed through hospital records and death-register data. Additionally, we conducted mediation analyses to assess the impact of low-grade inflammation. Results: The study encompassed 427,942 participants free from CVD, 55.8% of whom are women. High levels of social isolation and loneliness were linked to a higher risk of CVD (HRs 1.11, 95% CI 1.06–1.16; HRs 1.17, 95% CI 1.11–1.23). Depression also emerged as a predictor of CVD onset (HRs 1.25, 95% CI 1.19–1.31), with each psychosocial factor independently contributing to increased CVD risk. Mediation analyses pinpointed inflammation as a crucial mediator, especially for loneliness (indirect effect proportion: 4.7%). Conclusions: This study underscores the significance of psychosocial factors in relation to CVD. Integrating assessments for social isolation, loneliness, and depression into routine healthcare could potentially aid in CVD prevention among middle-aged and elderly individuals. Lay summary: This study underscores the significance of psychosocial factors in relation to CVD, emphasizing the association between social isolation or loneliness and the heightened risk of CVD.
- Subjects
LONELINESS; MIDDLE-aged persons; PROPORTIONAL hazards models; SOCIAL isolation; PSYCHOSOCIAL factors; OLDER people; CARDIOVASCULAR diseases
- Publication
BMC Public Health, 2024, Vol 24, Issue 1, p1
- ISSN
1471-2458
- Publication type
Article
- DOI
10.1186/s12889-024-19885-w