{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,10]],"date-time":"2026-10-10T07:49:48Z","timestamp":1791618588387,"version":"4.3.4"},"reference-count":67,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,10,10]],"date-time":"2026-10-10T00:00:00Z","timestamp":1791590400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,10,10]],"date-time":"2026-10-10T00:00:00Z","timestamp":1791590400000},"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":["Journal of Clinical Nursing"],"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Aim<\/jats:title>\n                    <jats:p>To develop a generic instrument for measuring self\u2010care behaviours in adults with cancer and to evaluate its initial psychometric properties.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Design<\/jats:title>\n                    <jats:p>A psychometric validation study was conducted within the ONCO\u2010SHIELD longitudinal observational study at Careggi University Hospital (Florence, Italy) enrolling adult patients with metastatic solid tumours receiving first\u2010line systemic anticancer therapy and an ECOG Performance Status of 0\u20132.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>The SC\u2010CI was developed through a theory\u2010driven process including item generation, expert validation, and cognitive interviews, and subsequently evaluated using confirmatory factor analysis, McDonald's omega, test\u2013retest reliability, item response theory, differential item functioning, and convergent validity analyses.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      A total of 305 patients were included (mean age 68.4\u2009years, 68.2% male), mainly with lung (28.2%), lower gastrointestinal (23.3%), and genitourinary cancers (22.0%). Content validity was excellent across domains. Confirmatory factor analysis supported the multidimensional structure of the instrument, with acceptable\u2010to\u2010good fit after minor item refinement. Internal consistency was adequate to good (\n                      <jats:italic>\u03c9<\/jats:italic>\n                      \u2009=\u20090.74\u20130.85), and test\u2013retest reliability was satisfactory (ICC\u2009=\u20090.70\u20130.74). Convergent validity was supported by positive correlations with health literacy and by associations of monitoring and management with doctors' health locus of control. Differential item functioning by sex and age was limited and showed negligible practical impact.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>The SC\u2010CI provides promising initial psychometric evidence as a multidimensional, theory\u2010based tool for assessing self\u2010care in patients with metastatic solid tumours receiving systemic anticancer therapy.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Implications for the Profession and\/or Patient Care<\/jats:title>\n                    <jats:p>SC\u2010CI may support nursing practice by helping identify patients with unmet self\u2010care needs and guide tailored educational and symptom\u2010management interventions in this population. Further validation in independent and more diverse oncology populations is warranted before broader clinical application.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Patient or Public Contribution<\/jats:title>\n                    <jats:p>Patients contributed to SC\u2010CI development through cognitive interviews assessing item relevance, comprehensibility, and comprehensiveness, informing refinement before psychometric testing.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/jocn.70591","type":"journal-article","created":{"date-parts":[[2026,10,10]],"date-time":"2026-10-10T07:44:58Z","timestamp":1791618298000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Development and Psychometric Validation of the Self\u2010Care of Cancer Inventory 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