{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,3]],"date-time":"2026-09-03T00:56:38Z","timestamp":1788396998606,"version":"build-2803163510"},"reference-count":43,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2024,1,11]],"date-time":"2024-01-11T00:00:00Z","timestamp":1704931200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Oral Rehabilitation"],"published-print":{"date-parts":[[2024,5]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>As one of the most important indicators of socioeconomic status, educational attainment (EA) exhibits a strong association with temporomandibular disorders (TMDs). Despite this link, there is a lack of evidence regarding the causal role of EA in either facilitating or preventing TMDs.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objective<\/jats:title><jats:p>This study aimed to investigate the causal effect of education on TMDs and explore potential mediating pathways.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Utilizing summary statistics from genome\u2010wide association studies on years of schooling (<jats:italic>N<\/jats:italic>\u2009=\u2009766\u2009345) and TMDs (<jats:italic>N<\/jats:italic>\u2009=\u2009211\u2009023), we conducted Mendelian randomization (MR) to assess the overall effect of education. Additionally, a two\u2010step MR approach was employed to evaluate 30 potential mediators and calculate the mediation proportions in the association. Comprehensive sensitivity analyses were used to verify the robustness, heterogeneity, and pleiotropy.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Univariable MR analyses revealed a causal effect of lower EA on an increased risk of TMDs (OR: 0.53, 95% CI: 0.43\u20130.66, <jats:italic>p<\/jats:italic>\u2009&lt;\u2009.001). Five out of 30 modifiable factors were identified as causal mediators in the associations of EA with TMDs, including feeling nervous (mediation proportion: 11.6%), feeling tense (10.2%), depression (9.6%), feeling worry (7.6%) and daily smoking (8.9%). Meanwhile, no pleiotropy was detected in the analyses (<jats:italic>p<\/jats:italic>\u2009&gt;\u2009.05).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Our findings supported that higher EA has a protective effect on the onset of TMDs, with partial mediation by psychological disorders and daily smoking. Interventions on these factors thus have the potential of substantially reducing the burden of TMDs attributed to low education.<\/jats:p><\/jats:sec>","DOI":"10.1111\/joor.13654","type":"journal-article","created":{"date-parts":[[2024,1,11]],"date-time":"2024-01-11T09:07:46Z","timestamp":1704964066000},"page":"817-826","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Causal effects of educational attainment on temporomandibular disorders and the mediating pathways: A Mendelian randomization study"],"prefix":"10.1111","volume":"51","author":[{"given":"Xin","family":"Chen","sequence":"first","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery Jiangyin People's Hospital Affiliated to Nantong University  Jiangyin China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zheng","family":"Cheng","sequence":"additional","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery 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