中国全科医学 ›› 2026, Vol. 29 ›› Issue (01): 122-128.DOI: 10.12114/j.issn.1007-9572.2024.0657

所属专题: 心血管最新文章合辑

• 论著·社会·行为·心理研究 • 上一篇    下一篇

中国中老年人社交隔离和孤独与心血管疾病发病风险的前瞻性关联研究

的机卓玛1, 邹雁秋1, 郑迪心2, 胡梦婕1, 刘小雪1, 姜侠1,3, 樊萌语1,3,*(), 李佳圆1,3   

  1. 1.610041 四川省成都市,四川大学华西公共卫生学院/华西第四医院
    2.610041 四川省成都市,四川省医学会
    3.610041 四川省成都市,重大疾病医防融合研究所
  • 收稿日期:2025-02-13 修回日期:2025-07-02 出版日期:2026-01-05 发布日期:2025-12-18
  • 通讯作者: 樊萌语

  • 作者贡献:

    的机卓玛负责数据整理、数据分析与论文撰写;邹雁秋、郑迪心、胡梦婕、刘小雪负责协助统计分析与结果解释;樊萌语负责研究的构思与设计、研究的实施、论文修订及经费支持,对文章整体负责;姜侠、李佳圆负责确定分析方案、论文修改及经费支持。

  • 基金资助:
    四川省医学会科研课题计划(S23102); 四川大学引进人才科研启动经费(YJ202455); 四川省科技厅创新研究群体(2024NSFTD0030)

Association of Social Isolation, Loneliness, with Incidence Risk of Cardiovascular Diseases: a Prospective Chinese Study

DIJI Zhuoma1, ZOU Yanqiu1, ZHENG Dixin2, HU Mengjie1, LIU Xiaoxue1, JIANG Xia1,3, FAN Mengyu1,3,*(), LI Jiayuan1,3   

  1. 1. West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu 610041, China
    2. Sichuan Medical Association, Chengdu 610041, China
    3. West China Institute of Preventive and Medical Integration for Major Diseases, Chengdu 610041, China
  • Received:2025-02-13 Revised:2025-07-02 Published:2026-01-05 Online:2025-12-18
  • Contact: FAN Mengyu

摘要: 背景 心血管疾病是我国乃至全球居民死亡的主要原因,社交隔离和孤独与心血管健康密切相关。然而,目前的研究聚焦于欧洲人群,且研究结果并不一致。在中国人群中,尚未有充分证据同时探讨社交隔离和孤独感对心血管疾病发病风险的影响。 目的 探讨中国中老年人社交隔离和孤独与心血管疾病发病风险的独立和联合关联。 方法 本研究的开展时间为2024年8月,研究对象来自中国健康与养老追踪调查,剔除基线患有心脏疾病和卒中者,纳入10 668人进行分析。基于基线问卷信息定义社交隔离和孤独感,基于随访问卷的疾病相关数据定义心血管疾病发病,采用Cox比例风险回归模型进行统计分析。 结果 研究人群中位随访8.9年,随访期间新发心血管疾病2 409例(22.58%),心脏疾病1 777例(16.66%),卒中896例(8.40%)。Cox比例风险回归分析结果显示,调整了多种混杂因素后,与非孤独者相比,孤独者发生心血管疾病、心脏疾病、卒中的风险分别增加24%(HR=1.24,95%CI=1.13~1.35)、24%(HR=1.24,95%CI=1.12~1.38)和26%(HR=1.26,95%CI=1.09~1.45);与非社交隔离者相比,社交隔离者发生卒中的风险增加16%(HR=1.16,95%CI=1.01~1.33),社交隔离与心血管疾病、心脏疾病发病风险间未见统计学关联(P>0.05)。社交隔离和孤独与心血管疾病及其亚型的发病风险之间未见交互作用(P>0.05)。社交隔离且孤独者发生心血管疾病的风险最高(HR=1.23,95%CI=1.09~1.39),其中卒中的风险尤为显著(HR=1.49,95%CI=1.23~1.80)。 结论 主观感知的孤独是心血管疾病及其亚型发病的独立危险因素,与客观评估的社交隔离同时存在时心血管疾病发病风险最高。本研究结果提示鼓励中老年人群维持活跃的社交联系、打破孤独感对心血管健康具有重要作用。

关键词: 社交隔离, 孤独, 心血管疾病, 前瞻性研究, 队列研究

Abstract:

Background

Cardiovascular diseases (CVD) are a leading cause of death both in China and worldwide. Social isolation and loneliness are closely associated with cardiovascular health. However, current research has mainly focused on European populations, and the findings are inconsistent. In China, evidence simultaneously examining the impact of social isolation and loneliness on the risk of incident CVD remains limited.

Objective

To investigate the independent and joint associations of social isolation and loneliness with the risk of CVD among middle-aged and older Chinese populations.

Methods

This prospective study, initiated in August 2024, included 10 668 participants from the China Health and Retirement Longitudinal Study who were free of heart disease and stroke at baseline. Social isolation and loneliness were assessed using baseline questionnaires. Incident CVD events were identified based on follow-up survey data. Cox proportional hazards regression models were used to estimate the associations between social isolation, loneliness, and CVD risk.

Results

During a median follow-up of 8.9 years, 2 409 (22.58%) participants developed CVD, including 1 777 cases (16.66%) of heart disease and 896 cases (8.40%) of stroke. The Cox proportional hazards regression analysis showed that, after adjustment for multiple confounders, compared to non-lonely individuals, lonely individuals had a 24% increased risk of CVD (HR=1.24, 95%CI=1.13-1.35), a 24% increased risk of heart disease (HR=1.24, 95%CI=1.12-1.38), and a 26% increased risk of stroke (HR=1.26, 95%CI=1.09-1.45). Compared to non-socially isolated individuals, socially isolated individuals had a 16% increased risk of stroke (HR=1.16, 95%CI=1.01-1.33), but show no significant association was found between social isolation and the risk of CVD or heart disease (P>0.05). No significant interaction was observed between social isolation, loneliness, and the risk of CVD or its subtypes (P>0.05). Participants who experienced both social isolation and loneliness had the highest risk of CVD (HR=1.23, 95%CI=1.09-1.39), particularly for stroke (HR=1.49, 95%CI=1.23-1.80).

Conclusion

Subjectively perceived loneliness is an independent risk factor for the incidence of CVD and its subtypes, with the highest risk observed when loneliness coexists with objectively assessed social isolation. The findings of this study suggest that encouraging middle-aged and older adults to maintain active social connections and alleviate feelings of loneliness play an important role in promoting cardiovascular health.

Key words: Social isolation, Loneliness, Cardiovascular disease, Prospective study, Cohort study