Article(id=1320431912364134437, tenantId=1146029695717560320, journalId=1319373219989389464, issueId=1320431836577247574, articleNumber=null, orderNo=null, doi=10.11847/zgggws1147826, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1746460800000, receivedDateStr=2025-05-06, revisedDate=1762963200000, revisedDateStr=2025-11-13, acceptedDate=1770912000000, acceptedDateStr=2026-02-13, onlineDate=1792745100346, onlineDateStr=2026-10-23, pubDate=1783612800000, pubDateStr=2026-07-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792745100346, onlineIssueDateStr=2026-10-23, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792745100346, creator=13701087609, updateTime=1792745100346, updator=13701087609, issue=Issue{id=1320431836577247574, tenantId=1146029695717560320, journalId=1319373219989389464, year='2026', volume='42', issue='7', pageStart='769', pageEnd='896', issueExtLink='null', onlineDate='null', pubDate='1783612800000', pubDateStr='2026-07-10', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792745082277, creator='13701087609', updateTime=1792748015122, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1320444137892069377, tenantId=1146029695717560320, journalId=1319373219989389464, issueId=1320431836577247574, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1320444137892069378, tenantId=1146029695717560320, journalId=1319373219989389464, issueId=1320431836577247574, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=843, endPage=848, ext={EN=ArticleExt(id=1320431912829702182, articleId=1320431912364134437, tenantId=1146029695717560320, journalId=1319373219989389464, language=EN, title=Impact of family dinner index on subjective well-being of the elderly and the chain mediating role of intergenerational solidarity and loneliness: a cross-sectional study, 2024, columnId=1320431862472880698, journalTitle=Chinese Journal of Public Health, columnName=Special Report—Promoting Active and Healthy Ageing, runingTitle=null, highlight=null, articleAbstract=
Objective

To explore the impact of the family dinner index (FDI) on subjective well-being among the elderly and analyze the chain mediating role of intergenerational solidarity and loneliness.

Methods

A cross-sectional survey was conducted from September to December 2024 via multistage sampling, involving 1 165 elderly residents (≥60 years) in District D of Tianjin city. Data were collected by the Family Dinner Index Scale, Intergenerational Solidarity Scale, Loneliness Scale, and Subjective Well-being Scale. Structural equation modeling and the Bootstrap method (5 000 resamples) were employed to test the mediating role.

Results

The scores of the Family Dinner Index, Intergenerational Solidarity, Loneliness, and Subjective Well-being Scales were (32.45±8.72), (68.34±15.23), (18.56±5.89), and (36.78±6.95), respectively. The structural equation model demonstrated a high degree of fitting (χ2/df = 1.98, CFI = 0.97, RMSEA = 0.036). Path analysis revealed that the FDI directly and positively predicted subjective well-being (β = 0.20, P < 0.001) and intergenerational solidarity (β = 0.39, P < 0.001), while directly and negatively predicting loneliness (β = –0.18, P < 0.001). Intergenerational solidarity negatively predicted loneliness (β = –0.50, P < 0.001) and positively predicted subjective well-being (β = 0.25, P < 0.001). Loneliness directly and negatively predicted subjective well-being (β = –0.43, P < 0.001). The FDI influenced subjective well-being through the chain path from intergenerational solidarity to loneliness.

Conclusions

Family dinners significantly enhance subjective well-being of the elderly by strengthening intergenerational solidarity and alleviating loneliness. The findings provide a scientific basis for formulating family-oriented policies in response to aging.

, authors=Dan LIU1, Yuhui XU1, Jinxin HE1, Yinuo LAN1, Rong ZHU1, Wenxuan LIU1, Jing HE1, Shangbo ZOU1, Yue DU1, 2, authorsList=Dan LIU, Yuhui XU, Jinxin HE, Yinuo LAN, Rong ZHU, Wenxuan LIU, Jing HE, Shangbo ZOU, Yue DU, authorCompany=null, correspAuthors=Yue DU, authorNote=null, correspAuthorsNote=
DU Yue, E-mail:
, copyrightStatement=Copyright © 2026 Chinese Journal of Public Health. All rights reserved., copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1320431916617158699, articleId=1320431912364134437, tenantId=1146029695717560320, journalId=1319373219989389464, language=CN, title=家庭聚餐指数对老年人主观幸福感的影响及代际团结与孤独感的链式中介效应:一项2024年横断面调查, columnId=1320431862640652860, journalTitle=中国公共卫生, columnName=专题报道——健康老龄化与积极老龄化, runingTitle=null, highlight=null, articleAbstract=
目的

探讨家庭聚餐指数对老年人主观幸福感的影响,并分析代际团结与孤独感的链式中介作用。

方法

于2024年9—12月,采用多阶段抽样方法对天津市D区1 165名≥60岁老年人进行横断面调查,使用家庭聚餐指数量表、代际团结量表、孤独感量表及主观幸福感量表收集数据,通过结构方程模型与Bootstrap法(重复抽样5 000次)检验中介效应。

结果

家庭聚餐指数、代际团结、孤独感及主观幸福感量表得分分别为(32.45±8.72)、(68.34±15.23)、(18.56±5.89)和(36.78±6.95)分。结构方程模型拟合良好(χ2/df=1.98,CFI=0.97,RMSEA=0.036),路径分析显示,家庭聚餐指数直接正向预测主观幸福感(β=0.20,P<0.001)、代际团结(β=0.39,P<0.001)直接负向预测孤独感(β= –0.18,P<0.001);代际团结显著负向预测孤独感(β= –0.50,P<0.001)且正向预测主观幸福感(β=0.25,P<0.001);孤独感直接负向预测主观幸福感(β= –0.43,P<0.001);家庭聚餐指数通过代际团结至孤独感的链式路径影响主观幸福感。

结论

家庭聚餐通过增强代际团结和缓解孤独感,显著提升老年人主观幸福感,为老龄化社会的家庭政策制定提供科学依据。

, authors=刘丹1, 徐玉卉1, 贺进馨1, 兰一诺1, 朱蓉1, 刘文萱1, 何晶1, 邹尚伯1, 杜汋1, 2, *, *, authorsList=刘丹, 徐玉卉, 贺进馨, 兰一诺, 朱蓉, 刘文萱, 何晶, 邹尚伯, 杜汋, authorCompany=null, correspAuthors=杜汋, authorNote=

刘丹(2002—),硕士,研究方向:卫生事业管理

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杜汋,E-mail:
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Scientific Reports, 2016, 6: 30435., articleTitle=null, refAbstract=null), Reference(id=1320431964834877623, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320431912364134437, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=25, rfOrder=24, authorNames=null, journalName=null, refType=null, unstructuredReference=陈盛伟. 我国时间银行互助养老系统构建研究[J]. 理论学刊, 2024(4): 151-160., articleTitle=null, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1320431918701727789, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320431912364134437, xref=1, ext=[AuthorCompanyExt(id=1320431918726893614, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320431912364134437, companyId=1320431918701727789, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1School of Public Health, Tianjin Medical University, Tianjin 300070, China), AuthorCompanyExt(id=1320431918747865135, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320431912364134437, companyId=1320431918701727789, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1天津医科大学公共卫生学院,天津 300070)]), AuthorCompany(id=1320431920027127858, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320431912364134437, xref=2, ext=[AuthorCompanyExt(id=1320431920387838003, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320431912364134437, companyId=1320431920027127858, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=2Tianjin Basic Public Health Service Quality Control Center, Tianjin 300070, China), AuthorCompanyExt(id=1320431920467529780, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320431912364134437, companyId=1320431920027127858, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=2天津市基本公共卫生服务质量控制中心,天津 300070)])], figs=[ArticleFig(id=1320431947655008391, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320431912364134437, language=EN, label=Fig.1, caption=Chain mediating model, figureFileSmall=yaSB3qAEuXAlR3zf4Zx3OA==, figureFileBig=mXqwq6jwTUjZRgQkXFy0Aw==, tableContent=null), ArticleFig(id=1320431948070244489, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320431912364134437, language=CN, label=图1, caption=链式中介模型

注:a P<0.001。

, figureFileSmall=yaSB3qAEuXAlR3zf4Zx3OA==, figureFileBig=mXqwq6jwTUjZRgQkXFy0Aw==, tableContent=null), ArticleFig(id=1320431948934271116, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320431912364134437, language=EN, label=Tab.1, caption=

Scores and distribution of each scale (n=1 165)

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量表名称高水平中水平低水平
人数占比/%人数占比/%人数占比/%
家庭聚餐指数量表22619.472662.321318.3
代际团结量表22819.578567.415213.1
孤独感量表22219.164155.030225.9
主观幸福感量表24220.867858.224521.0
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各量表得分水平分布情况(n=1 165)

, figureFileSmall=null, figureFileBig=null, tableContent=
量表名称高水平中水平低水平
人数占比/%人数占比/%人数占比/%
家庭聚餐指数量表22619.472662.321318.3
代际团结量表22819.578567.415213.1
孤独感量表22219.164155.030225.9
主观幸福感量表24220.867858.224521.0
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Comparison of model fitting indices

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模型χ2/df值RMSEACFITLISRMR
M13.150.0630.9310.9150.085
M22.780.0550.9460.9300.072
M31.980.0360.9740.9610.028
), ArticleFig(id=1320431951132086416, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320431912364134437, language=CN, label=表2, caption=

模型拟合指数比较

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模型χ2/df值RMSEACFITLISRMR
M13.150.0630.9310.9150.085
M22.780.0550.9460.9300.072
M31.980.0360.9740.9610.028
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Decomposition of mediating role and Bootstrap test results

, figureFileSmall=null, figureFileBig=null, tableContent=
路径中介
效应值
SEBootstrap95%CI总效应
占比/%
家庭聚餐→代际团结→
主观幸福感
0.0980.0210.056~0.14021.35
家庭聚餐指数→孤独感→
主观幸福感
0.0770.0190.040~0.11416.78
家庭聚餐指数→代际团结→
孤独感→主观幸福感
0.0840.0260.032~0.13618.30
总中介效应0.2590.0370.187~0.33156.43
直接效应0.2000.0290.142~0.25843.57
总效应0.4590.0330.395~0.523100.00
), ArticleFig(id=1320431951819952275, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1320431912364134437, language=CN, label=表3, caption=

中介效应分解与Bootstrap检验结果

, figureFileSmall=null, figureFileBig=null, tableContent=
路径中介
效应值
SEBootstrap95%CI总效应
占比/%
家庭聚餐→代际团结→
主观幸福感
0.0980.0210.056~0.14021.35
家庭聚餐指数→孤独感→
主观幸福感
0.0770.0190.040~0.11416.78
家庭聚餐指数→代际团结→
孤独感→主观幸福感
0.0840.0260.032~0.13618.30
总中介效应0.2590.0370.187~0.33156.43
直接效应0.2000.0290.142~0.25843.57
总效应0.4590.0330.395~0.523100.00
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刘丹 1 , 徐玉卉 1 , 贺进馨 1 , 兰一诺 1 , 朱蓉 1 , 刘文萱 1 , 何晶 1 , 邹尚伯 1 , 杜汋 1, 2, *, *
中国公共卫生 | 专题报道——健康老龄化与积极老龄化 2026,42(7): 843-848
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中国公共卫生 |专题报道——健康老龄化与积极老龄化 2026 , 42 (7) : 843 -848
家庭聚餐指数对老年人主观幸福感的影响及代际团结与孤独感的链式中介效应:一项2024年横断面调查
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刘丹1, 徐玉卉1, 贺进馨1, 兰一诺1, 朱蓉1, 刘文萱1, 何晶1, 邹尚伯1, 杜汋1, 2, *, *
作者信息
  • 1天津医科大学公共卫生学院,天津 300070
  • 2天津市基本公共卫生服务质量控制中心,天津 300070
通讯作者:
杜汋,E-mail:
作者简介:

刘丹(2002—),硕士,研究方向:卫生事业管理

Impact of family dinner index on subjective well-being of the elderly and the chain mediating role of intergenerational solidarity and loneliness: a cross-sectional study, 2024
Dan LIU1, Yuhui XU1, Jinxin HE1, Yinuo LAN1, Rong ZHU1, Wenxuan LIU1, Jing HE1, Shangbo ZOU1, Yue DU1, 2
Affiliations
  • 1School of Public Health, Tianjin Medical University, Tianjin 300070, China
  • 2Tianjin Basic Public Health Service Quality Control Center, Tianjin 300070, China
  • Corresponding Author:
    DU Yue, E-mail:
出版时间: 2026-07-10 doi: 10.11847/zgggws1147826
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目的

探讨家庭聚餐指数对老年人主观幸福感的影响,并分析代际团结与孤独感的链式中介作用。

方法

于2024年9—12月,采用多阶段抽样方法对天津市D区1 165名≥60岁老年人进行横断面调查,使用家庭聚餐指数量表、代际团结量表、孤独感量表及主观幸福感量表收集数据,通过结构方程模型与Bootstrap法(重复抽样5 000次)检验中介效应。

结果

家庭聚餐指数、代际团结、孤独感及主观幸福感量表得分分别为(32.45±8.72)、(68.34±15.23)、(18.56±5.89)和(36.78±6.95)分。结构方程模型拟合良好(χ2/df=1.98,CFI=0.97,RMSEA=0.036),路径分析显示,家庭聚餐指数直接正向预测主观幸福感(β=0.20,P<0.001)、代际团结(β=0.39,P<0.001)直接负向预测孤独感(β= –0.18,P<0.001);代际团结显著负向预测孤独感(β= –0.50,P<0.001)且正向预测主观幸福感(β=0.25,P<0.001);孤独感直接负向预测主观幸福感(β= –0.43,P<0.001);家庭聚餐指数通过代际团结至孤独感的链式路径影响主观幸福感。

结论

家庭聚餐通过增强代际团结和缓解孤独感,显著提升老年人主观幸福感,为老龄化社会的家庭政策制定提供科学依据。

家庭聚餐指数  /  代际团结  /  孤独感  /  主观幸福感  /  链式中介模型  /  天津市
Objective

To explore the impact of the family dinner index (FDI) on subjective well-being among the elderly and analyze the chain mediating role of intergenerational solidarity and loneliness.

Methods

A cross-sectional survey was conducted from September to December 2024 via multistage sampling, involving 1 165 elderly residents (≥60 years) in District D of Tianjin city. Data were collected by the Family Dinner Index Scale, Intergenerational Solidarity Scale, Loneliness Scale, and Subjective Well-being Scale. Structural equation modeling and the Bootstrap method (5 000 resamples) were employed to test the mediating role.

Results

The scores of the Family Dinner Index, Intergenerational Solidarity, Loneliness, and Subjective Well-being Scales were (32.45±8.72), (68.34±15.23), (18.56±5.89), and (36.78±6.95), respectively. The structural equation model demonstrated a high degree of fitting (χ2/df = 1.98, CFI = 0.97, RMSEA = 0.036). Path analysis revealed that the FDI directly and positively predicted subjective well-being (β = 0.20, P < 0.001) and intergenerational solidarity (β = 0.39, P < 0.001), while directly and negatively predicting loneliness (β = –0.18, P < 0.001). Intergenerational solidarity negatively predicted loneliness (β = –0.50, P < 0.001) and positively predicted subjective well-being (β = 0.25, P < 0.001). Loneliness directly and negatively predicted subjective well-being (β = –0.43, P < 0.001). The FDI influenced subjective well-being through the chain path from intergenerational solidarity to loneliness.

Conclusions

Family dinners significantly enhance subjective well-being of the elderly by strengthening intergenerational solidarity and alleviating loneliness. The findings provide a scientific basis for formulating family-oriented policies in response to aging.

family dinner index  /  intergenerational solidarity  /  loneliness  /  subjective well-being  /  chain mediating model  /  Tianjin city
刘丹, 徐玉卉, 贺进馨, 兰一诺, 朱蓉, 刘文萱, 何晶, 邹尚伯, 杜汋. 家庭聚餐指数对老年人主观幸福感的影响及代际团结与孤独感的链式中介效应:一项2024年横断面调查. 中国公共卫生, 2026 , 42 (7) : 843 -848 . DOI: 10.11847/zgggws1147826
Dan LIU, Yuhui XU, Jinxin HE, Yinuo LAN, Rong ZHU, Wenxuan LIU, Jing HE, Shangbo ZOU, Yue DU. Impact of family dinner index on subjective well-being of the elderly and the chain mediating role of intergenerational solidarity and loneliness: a cross-sectional study, 2024[J]. Chinese Journal of Public Health, 2026 , 42 (7) : 843 -848 . DOI: 10.11847/zgggws1147826
截至2023年末,我国≥60周岁老年人口已达2.97亿,占总人口的21.1%[1],老龄化社会的加速对提升老年人主观幸福感提出了迫切需求。在此背景下,家庭互动作为“软性资本”[2]的价值愈发凸显,其中家庭聚餐因其独特的代际联结功能成为关键载体。家庭聚餐是指≥2个具有血缘或婚姻关系的家庭成员规律性参与的共餐行为,其本质是通过饮食共享实现情感联结与社会互动的仪式化实践[3]。随着核心家庭模式普及与代际分居常态化[4],家庭聚餐逐渐成为弥合代际距离、维系关系质量的重要途径。家庭聚餐指数是系统评估家庭聚餐互动质量的多维工具[5],为量化分析家庭互动对老年心理健康的深层影响提供了科学依据。根据代际团结理论,代际互动的质量可以用6个维度衡量,包括情感性团结、功能性团结、规范性团结、共识性团结、关联性团结及结构性团结[6]。研究表明,代际团结通过提供情感支持与社会资本,能显著缓解老年人的孤独感[7],降低老年人因社会关系不足产生的情绪疏离[8]。但既有研究多关注经济支持[9]、医疗保障[10]等“硬性资本”,忽视了家庭聚餐如何通过代际团结与孤独感的链式机制影响幸福感。本研究于2024年9—12月,在天津市 D 区以≥60岁老年人为研究对象,探讨家庭聚餐指数对老年人主观幸福感的作用路径,特别聚焦于代际团结与孤独感的链式中介机制,旨在揭示家庭聚餐不仅作为代际团结的具象化载体,更通过缓解情感孤独这一中介通道,最终提升老年人的主观幸福感,为老龄化社会的家庭政策制定提供科学参考依据。
本研究采用多阶段抽样方法:(1)从天津市全部16个市辖区中,采用计算机生成的随机数法随机抽取1个区作为研究现场,最终抽取结果为D区。(2)按街道老年人口密度及经济水平将天津市D区所有街道分层。(3)从每层中,采用计算机随机数法抽取若干社区(居委会/村)作为整群单位。(4)在每个被抽中的社区内,获取户籍老年人口名单,以户为单位,采用系统抽样法(抽样间隔k=社区户籍老年人口总数/该社区计划抽取样本数)抽取符合条件的老年住户。(5)如被抽中住户有不止1名符合纳入标准的≥60岁老人,则采用随机数表方法选择其中1人参与调查。纳入标准:(1)年龄≥60岁。(2)在目标社区连续居住≥6个月。(3)认知功能正常。排除标准:(1)患有严重精神障碍、中重度认知障碍或沟通障碍。(2)无存活子女或法定赡养人。(3)行动受限或长期卧床者。基于27个研究变量及多元回归模型(α=0.05,power=0.8,效应量f 2=0.15),通过公式计算基础样本量,预计20%的抽样误差和无效问卷,同时考虑链式中介模型的稳定性要求,最终确定样本量为1 200人。剔除逻辑错误、项目缺失的无效问卷后,共回收有效问卷1 165份,有效率 97.08%。本研究经天津市第四中心医院伦理委员会批准(批准文号:SZXLL–2024–06KY–F),所有研究对象均签署知情同意书。
采用简易精神状态检查量表(MMSE)[11]作为核心评估工具,该量表涵盖定向力、记忆力、注意力与计算力、语言能力等维度,是国内外公认的认知功能筛查工具。调查前,调查员均接受 MMSE 量表使用培训,包括量表条目解读、评分标准掌握及访谈技巧练习,确保评估操作统一。调查时,由调查员一对一对研究对象进行 MMSE 量表访谈评分,结合研究对象受教育年限调整判定标准:文盲<17分、小学<20分、中学及以上<24分判定为中重度认知障碍。对于 MMSE 评分提示中重度认知障碍的研究对象,需由社区卫生服务中心的全科医生结合临床病史进行二次复核,最终确认认知障碍程度,避免单一量表评分的误判。
依据 ICD-11精神与行为障碍分类标准[12],严重精神障碍的判定需由具有执业资质的精神科医生完成。调查前,调查员通过社区卫生服务中心获取辖区内老年人口的健康档案,筛选出已确诊严重精神障碍的人群并直接排除;对于调查过程中发现存在沟通异常、情绪行为异常的研究对象,调查员记录异常表现,并联系社区卫生院全科医生进行诊断,最终诊断权归精神科医生所有。
调查方式为入户面对面访谈,在社区工作人员配合下,由8名经过统一培训的公共卫生专业研究生担任调查员。培训内容包括问卷内容解读、访谈技巧及伦理规范。调查时由调查员代填问卷,当场回收并审核,遗漏或错填项即时纠正。通过预实验(n=30)优化问卷流程,验证问卷信效度;调查中由2名督导员现场核查问卷完整性;调查后采用双人录入数据,通过逻辑校验识别异常值,不一致数据由第三方复核确认。
自行编制,包括年龄、性别、婚姻状况、受教育程度、家庭人均月收入、自评健康状况等基本情况。
家庭聚餐指数量表基于Skeer等开发的家庭聚餐指数家长版(Family Dinner Index-Parent Version, FDI-P)[5],遵循标准化跨文化调适流程进行翻译和修订:(1) 由2名精通中英文的研究者独立进行正向翻译。(2) 研究小组讨论整合形成中文初稿。(3) 由另2名译者进行回译。(4)研究小组比较回译稿与原稿,修订条目以确保概念对等和文化适应性。(5) 在30名目标人群中进行预测试,根据反馈微调,形成最终中文版量表,用于评估家庭聚餐互动质量。量表包含4个维度,共13个条目:(1)沟通,指聚餐时的交流质量。(2)享受,指聚餐时的愉悦感受。(3)数字干扰,指聚餐时电子设备干扰程度。(4)家庭凝聚力,指聚餐体现的归属感。采用Likert 5级评分(1=“从不”至5=“总是”),总分为13~65分,得分越高表明家庭聚餐质量越优,参照 tertile划分标准[13]及本研究样本分布特征将家庭聚餐质量划分为3个水平:低水平(13~26 分)、中水平(27~45 分)、高水平(46~65 分)。本研究中的Cronbach′s α系数为0.85,各维度α系数分别为:沟通 0.78,享受 0.81,数字干扰 0.73,家庭凝聚力 0.82。在本研究样本中进行验证性因子分析,验证预设的4因子模型。模型拟合指标良好:χ2/df=2.25,CFI=0.95,TLI=0.94,RMSEA=0.045(90%CI=0.040~0.050),SRMR=0.038。各条目在其对应维度上的标准化因子载荷范围在0.58~0.86 之间,均达到统计学显著水平(P<0.001),表明量表结构效度良好。
采用Bengtson等的代际团结理论框架[6]编制量表,系统评估家庭代际互动质量。量表包含6个维度,共18个条目:(1)结构性团结,指居住距离与接触频率。(2)情感性团结,指代际情感亲密程度。(3)关联性团结,指代际互动频率。(4)规范性团结,指对代际责任的认同。(5)共识性团结,指价值观一致性。(6)功能性团结,指经济与生活支持。所有条目采用Likert 5级评分(1=“完全不符合”至5=“完全符合”),总分为18~90分,得分越高表明代际团结水平越高,参照tertile划分标准[13]及本研究样本分布特征将代际团结水平划分为3个水平:低水平(18~45 分)、中水平(46~75 分)、高水平(76~90 分)。本研究中Cronbach′s α系数为0.93,各维度α系数分别为结构性团结0.82,情感性团结0.89,关联性团结0.85,规范性团结0.78,共识性团结0.81,功能性团结0.87。模型拟合指标良好:χ2/df=2.35,CFI=0.94,TLI=0.93,RMSEA=0.048(90%CI=0.044~0.052),SRMR=0.041。各条目在其对应维度上的标准化因子载荷范围在0.52~0.86之间,均达到统计学显著水平(P<0.001),表明量表结构效度良好。
采用USL-8测量患者的孤独感[14]。USL-8中文版本由8个问题组成,得分为1(从不)~4分(通常),总分为8~32分,分数越高,表示孤独感越强,参照USL-8中文版本信效度检验研究中提出的划分标准:低孤独感(8~15分)、中孤独感(16~25分)、高孤独感(26~32分)。本研究中的Cronbach′s α系数为0.90。模型拟合指标良好:χ2/df=2.80,CFI=0.97,TLI=0.96,RMSEA=0.055 (90%CI=0.050~0.060),SRMR=0.026。所有条目的标准化因子载荷范围在0.65~0.82之间,均达到统计学显著水平(P<0.001),表明量表结构效度良好。
采用Diener等编制的总体生活满意度量表(Satisfaction With Life Scale,SWLS),并结合付森会和晏青的修订版本编制[15],共9个条目,量表采用Likert 5级评分(1=“非常不同意”至5=“非常同意”),总分为 9~45分,得分越高表明主观幸福感越强,并采用修订版本的划分建议确定为:低水平(9~30 分)、中水平(31~40 分)、高水平(41~45分)[15]。本研究中Cronbach′s α系数为0.93。模型拟合指标良好:χ2/df=2.65,CFI=0.98,TLI=0.97,RMSEA=0.053 (90%CI=0.048~0.058),SRMR= 0.022。所有条目的标准化因子载荷范围在 0.68~0.85之间,均达到统计学显著水平(P<0.001),表明量表结构效度良好。
本研究中的数据全部来自调查员报告,可能存在共同方法偏差。为了验证这一点,本研究对家庭聚餐、代际团结、孤独感和主观幸福感问卷量表中的所有变量进行了KMO(Kaiser-Meyer-Olkin)检验和Bartlett球形检验,检验结果表明,KMO值为0.878,Bartlett值为156 812.527,且P<0.01,这说明本研究的数据具备进行统计分析的可行性。
采用Stata 16.0软件对数据进行分析,建立结构方程模型。计数资料采用结构相对数进行统计描述;计量资料采用$ \overline{x}\pm s $进行描述。在数据分析过程中,采用Harman单因素法进行共同方法偏差的检验,通过Person相关分析法探究变量间的相关性。
本研究共纳入1 165名≥60岁老年人,年龄范围为 60~92岁,平均年龄为(71.24±7.85)岁。其中,男性540人(46.4%),女性625人(53.6%);文化程度初中及以下864人(74.2%),高中/中专201人(17.3%),大专及以上100人(8.5%);婚姻状况已婚796人(68.3%),未婚27人(2.3%),其他(含丧偶、离异/分居)342人(29.4%)。
(表1) 家庭聚餐指数、代际团结量表、孤独感量表及主观幸福感量表的平均得分分别为 (32.45±8.72)、(68.34±15.23)、(18.56±5.89)、(36.78±6.95)分,人员分布上多集中在中等水平,其中家庭聚餐高质量占19.4%,代际团结高水平占19.5%,低孤独感占25.9%,高幸福感占20.8%,各量表得分分布呈现出家庭聚餐质量、代际团结、主观幸福感间的正向关联及与孤独感的反向关联特征。
家庭聚餐指数与代际团结、主观幸福感分别呈显著正相关(r=0.41,r=0.35,P<0.001),同时代际团结与主观幸福感呈显著正相关(r=0.60,P<0.001)。家庭聚餐指数、代际团结和主观幸福感与孤独感均呈显著负相关(r= –0.38,r= –0.52,r= –0.45,P<0.001),表明家庭互动质量与代际关系紧密性对缓解孤独感和提升幸福感具有重要作用。
在构建结构方程模型前,本研究对孤独感量表和主观幸福感量表进行项目打包处理[16],以精简条目并优化模型稳定性。孤独感量表的8个条目采用因子平衡法,依据因子载荷均衡性分配为3个综合指标,分别反映社交疏离、情感孤立和日常情境性孤独;主观幸福感量表的9个条目则按理论维度整合为生活满意度、正向情感和负向情感3个指标。通过多次模型适配度检验,打包后孤独感(χ2/df=1.85,CFI=0.96,RMSEA=0.04)和主观幸福感(χ2/df=2.10,CFI=0.95,RMSEA=0.05)的拟合指数均达到标准,累计方差解释率分别为76%和73%,表明打包策略有效保留变量核心信息并提升模型效率。在检验链式中介模型前,本研究首先检验了家庭聚餐指数对主观幸福感的直接影响。以家庭聚餐指数为自变量、主观幸福感为因变量构建结构方程模型,结果显示模型拟合良好(χ2/df=2.95,CFI=0.95,TLI=0.93,RMSEA=0.06),且家庭聚餐指数对主观幸福感具有显著正向预测作用(β=0.28,P<0.001)。为进一步验证代际团结与孤独感的链式中介机制,在控制年龄、性别后,构建了3个模型:(1)完全中介模型(M1):家庭聚餐指数通过代际团结和孤独感的独立路径影响主观幸福感。(2)部分中介模型(M2):在M1基础上增加家庭聚餐指数对主观幸福感的直接路径。(3)链式中介模型(M3):在M2基础上纳入代际团结→孤独感的路径,形成“家庭聚餐→代际团结→孤独感→主观幸福感”的链式机制。链式中介模型(M3)的拟合指数显著优于其他模型(χ2/df=1.98,CFI=0.974,RMSEA=0.036),详见表2。
(图1) 链式中介模型路径分析显示,家庭聚餐指数直接正向预测主观幸福感(β=0.20,P<0.001);同时,家庭聚餐指数正向预测代际团结(β=0.39,P<0.001),代际团结负向预测孤独感(β= –0.50,P<0.001),孤独感负向预测主观幸福感(β= –0.43,P<0.001);此外,家庭聚餐指数直接负向预测孤独感(β= –0.18,P<0.001),代际团结直接正向预测主观幸福感(β=0.25,P<0.001)。
采用Bootstrap法(重复抽样5 000次,95%CI)检验代际团结与孤独感的中介作用。结果显示,家庭聚餐指数对主观幸福感的总效应为0.459(95%CI=0.395~0.523),其中直接效应为0.20(95%CI=0.142~0.258),总中介效应为0.259(95%CI=0.187~0.331),占总效应的56.43%。具体路径中,家庭聚餐指数→代际团结→主观幸福感的间接效应为0.098,占总效应的21.35%;家庭聚餐指数→孤独感→主观幸福感的间接效应为0.077,占16.78%;家庭聚餐指数→代际团结→孤独感→主观幸福感的链式中介效应为0.084,占18.30%。
本研究系统验证了家庭聚餐指数通过代际团结与孤独感的链式中介路径提升老年人主观幸福感的作用机制。这表明家庭聚餐不仅是代际互动的仪式化实践,更是传递情感支持与社会资本的重要渠道,尤其在中国家庭文化中,共餐行为作为象征性仪式强化代际情感纽带,使老年人获得归属感,这与社会情绪选择理论强调老年人优先追求情感满足的目标高度契合[17]。在国内研究中,苗国强[18]发现代际团结对老年人主观幸福感有显著正向影响,本研究进一步验证了这一点,并补充了家庭聚餐作为代际团结的具象化载体的作用,即家庭聚餐通过增加代际互动频率、深化情感交流,成为提升代际团结的重要场景。程镝等[19]提出非正式社会支持通过多层路径影响幸福感,本研究则明确了 “代际团结→孤独感” 这一具体链式环节,揭示了家庭互动影响幸福感的微观机制,该路径表明代际团结的资源供给可以填补老年人的社交空缺,进而降低老年人的孤独感[20]。相较于国外研究主要关注家庭聚餐对青少年的影响,如监督饮食健康[21]、规范行为举止[22]等,本研究创新性地揭示了中国孝文化背景下代际支持“向上流动”的独特性——家庭聚餐成为子女向父母传递情感联结的关键仪式,这种以尊老为核心的家庭互动模式,为制定适配中国传统文化的老龄化社会干预策略提供了实证基础。
本研究采用项目打包策略优化量表结构,有效提升模型稳定性;通过竞争模型比较,链式中介模型显著优于其他路径设定,结合Bootstrap法验证的中介效应稳健性,共同证实了家庭聚餐指数通过代际团结与孤独感的链式中介路径提升老年人主观幸福感机制的合理性。基于此,本研究证实了家庭聚餐是兼具“资源增益”[23]与“风险缓冲”[24]双重功能的心理社会干预靶点。这对积极应对人口老龄化具有三重启示:政策层面需推广家庭共餐计划,通过社区资源支持,如提供共餐场地、活动补贴等和媒体宣传,鼓励家庭维持规律性聚餐,促进代际日常陪伴;社区层面应组织代际技能交流活动,提升代际共识性团结,同时完善“时间银行”[25]互助模式,将代际互动转化为可持续的社会资本;针对孤独感干预,需建立老年人心理健康筛查机制,结合心理咨询帮助老年人构建替代性社会支持网络,并培训家庭成员识别老年人的孤独信号,如社交回避、情绪低落等,通过定期探视或远程互动提供情感支持。
本研究存在一定局限性。样本局限于天津市单一区域,且采用横断面设计,未来需扩展至城乡对比或多时点追踪研究以验证普适性。此外,本研究未纳入文化差异、慢性疾病等调节变量,后续可探讨代际团结机制在独居与非独居、不同经济水平群体中的异质性。

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doi: 10.11847/zgggws1147826
  • 接收时间:2025-05-06
  • 首发时间:2026-10-23
  • 出版时间:2026-07-10
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  • 收稿日期:2025-05-06
  • 修回日期:2025-11-13
  • 录用日期:2026-02-13
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    1天津医科大学公共卫生学院,天津 300070
    2天津市基本公共卫生服务质量控制中心,天津 300070

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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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