{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,12]],"date-time":"2026-06-12T15:39:12Z","timestamp":1781278752296,"version":"3.54.1"},"reference-count":29,"publisher":"BMJ","issue":"4","license":[{"start":{"date-parts":[[2025,11,9]],"date-time":"2025-11-09T00:00:00Z","timestamp":1762646400000},"content-version":"unspecified","delay-in-days":39,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100012166","name":"National Key Research and Development Program of China","doi-asserted-by":"publisher","award":["2022YFC3602100"],"award-info":[{"award-number":["2022YFC3602100"]}],"id":[{"id":"10.13039\/501100012166","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100012166","name":"National Key Research and Development Program of China","doi-asserted-by":"publisher","award":["2022YFC3602104"],"award-info":[{"award-number":["2022YFC3602104"]}],"id":[{"id":"10.13039\/501100012166","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Beijing Hospitals Authority Innovation Studio of Young Staff","award":["202303"],"award-info":[{"award-number":["202303"]}]},{"DOI":"10.13039\/501100005090","name":"Beijing Nova Program","doi-asserted-by":"publisher","award":["20230484349"],"award-info":[{"award-number":["20230484349"]}],"id":[{"id":"10.13039\/501100005090","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["Fam Med Com Health"],"published-print":{"date-parts":[[2025,10]]},"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Limited evidence has investigated the effect of a healthy lifestyle on mortality in patients with inflammatory bowel disease (IBD). We aimed to assess the relationship between a healthy lifestyle and all-cause mortality in IBD, as well as the underlying metabolic mechanisms in a prospective cohort.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Overall, 5052 IBD patients free of cancer (aged 57.0\u00b18.0 years, 48.5% men) were included from UK Biobank cohort. A healthy lifestyle was defined as a normal body mass index, never smoking, moderate alcohol consumption, regular physical activity, adequate sleep duration and healthy diet. The primary outcome was all-cause mortality. Lifestyle-related metabolic signatures were constructed by linear regression and elastic net regression in patients with metabolomics data. A multivariable Cox proportional hazards model was used to assess associations between lifestyle, metabolic signature and all-cause mortality. The mediation effect of lifestyle-related metabolic signatures was estimated through the Cox marginal structural model.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>During a median of 14.6 years\u2019 follow-up, 583 deaths were identified. Compared with unfavourable lifestyle, those with favourable lifestyle showed significantly lower risk of all-cause mortality in IBD (HR=0.56, 95%\u2009CI 0.46 to 0.68), ulcerative colitis (UC) (HR=0.61, 95%\u2009CI 0.48 to 0.79) and Crohn\u2019s disease (HR=0.49, 95%\u2009CI 0.36 to 0.67), and 18.9% of the reduced risk was mediated by metabolic signature. Metabolic signature was significantly associated with lower all-cause mortality, with HR of 0.65 (95%CI 0.49 to 0.85) for values above versus below the median and 0.73 (95%CI 0.64 to 0.83) for per SD increase. Subgroup and sensitivity analyses demonstrated similar results.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>A healthy lifestyle is associated with lower mortality in IBD patients. This beneficial effect may be mediated by metabolic signatures and related to favourable metabolic alterations.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1136\/fmch-2025-003514","type":"journal-article","created":{"date-parts":[[2025,11,10]],"date-time":"2025-11-10T11:15:34Z","timestamp":1762773334000},"page":"e003514","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":2,"title":["Association of healthy lifestyle, metabolic alterations and lower mortality risk of IBD patients: a prospective cohort and mediation analysis"],"prefix":"10.1136","volume":"13","author":[{"given":"Qian","family":"Zhang","sequence":"first","affiliation":[{"name":"Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, State Key Laboratory of Digestive Health, National Clinical Research Center for Digestive Disease, Beijing Key Laboratory of Early Gastrointestinal Cancer Medicine and Medical Devices, Beijing, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Si","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, State Key Laboratory of Digestive Health, National Clinical Research Center for Digestive Disease, Beijing Key Laboratory of Early Gastrointestinal Cancer Medicine and Medical Devices, Beijing, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shengtao","family":"Zhu","sequence":"additional","affiliation":[{"name":"Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, State Key Laboratory of Digestive Health, National Clinical Research Center for Digestive Disease, Beijing Key Laboratory of Early Gastrointestinal Cancer Medicine and Medical Devices, Beijing, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jing","family":"Wu","sequence":"additional","affiliation":[{"name":"Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, State Key Laboratory of Digestive Health, National Clinical Research Center for Digestive Disease, Beijing Key Laboratory of Early Gastrointestinal Cancer Medicine and Medical Devices, Beijing, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shutian","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, State Key Laboratory of Digestive Health, National Clinical Research Center for Digestive Disease, Beijing Key Laboratory of Early Gastrointestinal Cancer Medicine and Medical Devices, Beijing, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9791-8093","authenticated-orcid":false,"given":"Shanshan","family":"Wu","sequence":"additional","affiliation":[{"name":"Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical 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