{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T20:32:07Z","timestamp":1787085127039,"version":"build-2736575974"},"reference-count":37,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2026,5,14]],"date-time":"2026-05-14T00:00:00Z","timestamp":1778716800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,5,14]],"date-time":"2026-05-14T00:00:00Z","timestamp":1778716800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Health Planning &amp; Management"],"published-print":{"date-parts":[[2026,7]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>Amidst accelerated urbanisation and population ageing in China, urban solo\u2010dwelling elders face escalating social isolation\u2014manifested through diminished physical networks and profound psychological loneliness\u2014severely compromising their well\u2010being. To address gaps in existing studies (such as short\u2010term evaluations and insufficient heterogeneity exploration), this research employs a quasi\u2010natural experiment leveraging regional disparities in smart elderly care policy implementation within the Yangtze River Delta urban agglomeration. By constructing treatment and control groups through multi\u2010level matching of individual behavioural data and city\u2010level indicators across technology\u2010advanced and technology\u2010lagging regions, we assess the technology's sustained impact. Findings reveal that smart elderly care interventions significantly alleviate social isolation, yet effects exhibit pronounced regional stratification and age\u2010based differentials. Elders residing in areas with strong infrastructure and policy enforcement, alongside younger cohorts (exemplified by the 65\u201375 age group), gain substantially greater benefits. The technology operates via dual mechanisms: intensifying community participation and optimising health self\u2010management behaviours. Crucially, individual education attainment, family support networks, and regional resource allocation efficiency emerge as key moderators of impact magnitude. This study not only deciphers the dynamic process of technology\u2010facilitated social capital accumulation but also warns that unevenly distributed technological dividends may deepen marginalisation of vulnerable subgroups (such as the oldest\u2010old or low\u2010literacy elders). These insights provide theoretical grounding for designing inclusive age\u2010friendly technologies and formulating spatially calibrated health resource allocation policies in ageing societies.<\/jats:p>","DOI":"10.1002\/hpm.70083","type":"journal-article","created":{"date-parts":[[2026,5,14]],"date-time":"2026-05-14T12:11:45Z","timestamp":1778760705000},"page":"723-739","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["The Impact of Smart Elderly Care Technology Application on Social Isolation Among Urban Elderly Living Alone: Based on a Quasi\u2010Natural Experiment in the Yangtze River Delta Urban Agglomeration From 2018 to 2023"],"prefix":"10.1002","volume":"41","author":[{"ORCID":"https:\/\/orcid.org\/0009-0000-6165-9990","authenticated-orcid":false,"given":"Qianqian","family":"Hu","sequence":"first","affiliation":[{"name":"College of Art and Design Zhengzhou University of Light Industry  Zhengzhou 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