{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,7]],"date-time":"2026-08-07T16:24:23Z","timestamp":1786119863258,"version":"build-2736575974"},"reference-count":53,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2026,2,9]],"date-time":"2026-02-09T00:00:00Z","timestamp":1770595200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,2,9]],"date-time":"2026-02-09T00:00:00Z","timestamp":1770595200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100004826","name":"Natural Science Foundation of Beijing Municipality","doi-asserted-by":"publisher","award":["7254460"],"award-info":[{"award-number":["7254460"]}],"id":[{"id":"10.13039\/501100004826","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100005024","name":"Beijing Postdoctoral Research Foundation","doi-asserted-by":"publisher","award":["2025\u2010ZZ\u2010194"],"award-info":[{"award-number":["2025\u2010ZZ\u2010194"]}],"id":[{"id":"10.13039\/501100005024","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Neurourology and Urodynamics"],"published-print":{"date-parts":[[2026,3]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>The potential relationship between urinary caffeine metabolites and wet overactive bladder (OAB) is not clear. This study aims to investigate the relationship between urinary caffeine with caffeine metabolites and wet OAB prevalence in American population.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>This cross\u2010sectional study included participants from the National Health and Nutrition Examination Survey (NHANES) between 2009 and 2014. Diagnosis of wet OAB, urinary caffeine with caffeine metabolites, and covariates including demographic, dietary, examination, laboratory, and questionnaire data were collected. Weighted univariate analysis, weighted multivariate logistic regression analysis, restricted cubic spline (RCS) analysis, and subgroup analysis were used to investigate the relationship between urinary caffeine with 14 caffeine metabolites and wet OAB. Two sensitivity analyses were performed to test the stability of our results.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Three thousand three hundred and ninety five participants (362 wet OAB and 3033 non\u2010wet OAB) were finally enrolled for analyses. Caffeine intake was not associated with wet OAB (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.455). While multivariate logistic regression analyses and RCS analyses which adjusted all covariates showed that increasing 1,7\u2010dimethyluric acid (odds ratio [OR]\u2009=\u20090.998, 95% confidence interval [CI]: 0.996\u20130.999,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.015), 1,3,7\u2010trimethyluric acid (OR\u2009=\u20090.954, 95% CI: 0.925\u20130.984,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.005), paraxanthine (OR\u2009=\u20090.994, 95% CI: 0.989\u20131.000,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.045), theobromine (OR\u2009=\u20090.994, 95% CI: 0.988\u20130.999,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.033), and caffeine (OR\u2009=\u20090.974, 95% CI: 0.960\u20130.989,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.002) were linearly significantly related to decreased risk of wet OAB. Subgroup analyses showed significant negative associations to wet OAB in specific groups of these five metabolites. Sensitivity analyses confirmed the stability. The increased caffeine to 1,3,7\u2010trimethyluric acid, caffeine to 1,7\u2010dimethyluric acid pathway, and caffeine to theobromine pathways might be related to lower risk of wet OAB.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>We found no direct link between caffeine intake and wet OAB, but identified linear negative associations of urinary caffeine and several caffeine metabolites with wet OAB, which might be related to the change caffeine metabolic pathway.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/nau.70232","type":"journal-article","created":{"date-parts":[[2026,2,9]],"date-time":"2026-02-09T10:39:31Z","timestamp":1770633571000},"page":"528-544","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["The Relationship Between Urinary Caffeine With Caffeine Metabolites and Wet Overactive Bladder: A Cross\u2010Sectional Study From NHANES 2009\u20132014 Data"],"prefix":"10.1002","volume":"45","author":[{"given":"Junjie","family":"Ji","sequence":"first","affiliation":[{"name":"Department of Urology, School of Rehabilitation of Capital Medical University China Rehabilitation Research Center Beijing China"},{"name":"China Rehabilitation Science Institute Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gongyue","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Urology, School of Rehabilitation of Capital Medical University China Rehabilitation Research Center Beijing China"},{"name":"China Rehabilitation Science Institute Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Guoqing","family":"Chen","sequence":"additional","affiliation":[{"name":"Department of Urology, School of Rehabilitation of Capital Medical University China Rehabilitation Research Center 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China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0007-0369-9725","authenticated-orcid":false,"given":"Limin","family":"Liao","sequence":"additional","affiliation":[{"name":"Department of Urology, School of Rehabilitation of Capital Medical University China Rehabilitation Research Center Beijing China"},{"name":"China Rehabilitation Science Institute Beijing 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