{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,6]],"date-time":"2026-11-06T23:17:53Z","timestamp":1794007073120,"version":"4.8.0"},"reference-count":41,"publisher":"BMJ","issue":"11","license":[{"start":{"date-parts":[[2025,11,28]],"date-time":"2025-11-28T00:00:00Z","timestamp":1764288000000},"content-version":"unspecified","delay-in-days":27,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["72004046"],"award-info":[{"award-number":["72004046"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["72004048"],"award-info":[{"award-number":["72004048"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Open"],"accepted":{"date-parts":[[2025,11,7]]},"published-print":{"date-parts":[[2025,11]]},"abstract":"<jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>Self-regulatory fatigue (SRF) is a common psychological issue among patients with coronary heart disease (CHD). However, research on the heterogeneity of SRF in this patient population is currently very limited, which hinders the implementation of precision-oriented nursing interventions. This study aimed to explore potential subgroups of SRF in patients with CHD and identify associated factors.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Design<\/jats:title>\n                    <jats:p>Cross-sectional survey.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Setting<\/jats:title>\n                    <jats:p>Two tertiary Grade A hospitals in Daqing City, Heilongjiang Province, China.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Participants<\/jats:title>\n                    <jats:p>A convenience sample of 339 patients with CHD.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Latent profile analysis identified four distinct SRF subgroups: Low SRF group (28.4%), Moderate SRF\u2014poor behavioural regulation group (23.6%), Moderate SRF\u2014poor emotional regulation group (27.4%) and High SRF group (20.6%). Multivariate logistic regression showed that age, duration of CHD and illness perception were commonly associated factors for SRF across all groups; frequency of use of medications and experiential avoidance were associated factors for the Moderate SRF\u2014poor behavioural regulation group; female gender was an associated factor for the Moderate SRF\u2014poor emotional regulation group; hope and experiential avoidance were associated factors for the High SRF group.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Patients with CHD exhibit four distinct SRF subgroups. Healthcare providers can use these findings to identify patients with varying SRF profiles early and implement targeted, subgroup-specific interventions to alleviate SRF.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1136\/bmjopen-2025-104995","type":"journal-article","created":{"date-parts":[[2025,11,28]],"date-time":"2025-11-28T18:40:50Z","timestamp":1764355250000},"page":"e104995","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":4,"title":["Heterogeneity of self-regulatory fatigue in patients with coronary heart disease in China: a latent profile and associated factors analysis from a cross-sectional study"],"prefix":"10.1136","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0009-0001-6453-8120","authenticated-orcid":false,"given":"Bin","family":"Yang","sequence":"first","affiliation":[{"name":"Department of Nursing, Harbin Medical University, Daqing Campus, Heilongjiang, 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