{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T19:49:24Z","timestamp":1791920964218,"version":"4.3.4"},"reference-count":51,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T00:00:00Z","timestamp":1791849600000},"content-version":"vor","delay-in-days":12,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"},{"start":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T00:00:00Z","timestamp":1790812800000},"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":["Nursing Open"],"published-print":{"date-parts":[[2026,10]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Aims<\/jats:title>\n                    <jats:p>To investigate the relationship between physical frailty and cognitive impairment among community\u2010dwelling older adults and the mediating role of sleep quality in that relationship.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Design<\/jats:title>\n                    <jats:p>Cross\u2010sectional study.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A convenience sample of 2830 participants aged 60\u2009years and above from Xi'an, China was assessed using the FRAIL scale, Mini\u2010Mental State Examination (MMSE) and Pittsburgh Sleep Quality Index (PSQI). Comprehensive data on sociodemographic and health\u2010related covariates were collected. Statistical analyses included chi\u2010square tests, multivariate binary logistic regression, Spearman's correlation and mediation analysis using PROCESS (Model 4) with 5000 bootstraps.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The prevalence of cognitive impairment was 21.77%. Cognitive function was negatively correlated with physical frailty and sleep quality, whereas physical frailty was positively correlated with sleep quality. Age \u2265\u200985\u2009years, middle school education, sleep duration &gt;\u20098\u2009h and stroke were independently associated with higher odds of cognitive impairment. Sleep quality partially mediated the frailty\u2010cognition relationship, accounting for 12.37% of the total effect.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Sleep quality partially mediates the relationship between physical frailty and cognitive impairment, highlighting a critical opportunity for nurses to implement targeted sleep hygiene interventions alongside physical frailty management to potentially mitigate cognitive decline in the growing community\u2010dwelling geriatric population.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Patient or Public Contribution<\/jats:title>\n                    <jats:p>No patient or public contribution.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Implications for Nursing Practice<\/jats:title>\n                    <jats:p>Nurses should incorporate routine sleep quality screening into standard geriatric health assessments, particularly for frail older adults. In community settings, nurses can take the lead in delivering targeted sleep hygiene education, coordinating multidisciplinary management for underlying sleep disorders, and tailoring interventions to match each patient's frailty severity.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Impact<\/jats:title>\n                    <jats:p>These findings highlight the importance of integrating sleep quality assessment into routine geriatric care. For the growing aging population, nurses working in community settings can play a critical role in delivering targeted sleep hygiene interventions and managing physical frailty to potentially help preserve older adults' cognitive function.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/nop2.70899","type":"journal-article","created":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T19:14:35Z","timestamp":1791918875000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["The Mediating Effect of Sleep Quality on the Relationship Between Frailty and Cognitive Impairment Among Community\u2010Dwelling Older Adults: A Cross\u2010Sectional Study"],"prefix":"10.1002","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4795-4592","authenticated-orcid":false,"given":"Lixia","family":"Chen","sequence":"first","affiliation":[{"name":"Department of Nursing Shaanxi Provincial People's Hospital  Xi'an Shaanxi P. 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