{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,21]],"date-time":"2026-10-21T20:59:26Z","timestamp":1792616366870,"version":"4.5.0"},"reference-count":46,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2026,5,16]],"date-time":"2026-05-16T00:00:00Z","timestamp":1778889600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,5,16]],"date-time":"2026-05-16T00:00:00Z","timestamp":1778889600000},"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":["Acta Paediatrica"],"published-print":{"date-parts":[[2026,11]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Aim<\/jats:title>\n                    <jats:p>Varicella is a highly contagious disease affecting approximately 90% of children before the age of 10, constituting a substantial health and societal burden. This study investigates the association between socio\u2010demographic and socio\u2010economic factors and uptake of varicella vaccination in Denmark, 2019\u20132024.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>This Danish cohort study included 1\u2009356\u2009841 individuals aged 1\u201318\u2009years. Socio\u2010demographic and socio\u2010economic factors for children and their parents were obtained from Statistics Denmark's registers and linked to varicella vaccination status in the Danish Vaccination Register. We estimated yearly vaccination initiation and cumulative vaccine coverage. Associations were assessed using crude and adjusted multivariable logistic regression models.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>As of 2024, 16\u2009903 1\u201318\u2009year olds had received at least one dose of the varicella vaccine, of whom 84% completed the series. Coverage increased markedly from 2019 to 2024 and was highest in the Capital Region and metropolitan municipalities. Vaccination was more likely among children of parents with higher education (aOR: 4.98, 95% CI: 4.05\u20136.12), higher income (aOR: 3.08, 95% CI: 2.85\u20133.33) and a background in medicine or nursing (aOR: 1.79, 95% CI: 1.72\u20131.88).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Varicella vaccination uptake is higher among children from families with high socio\u2010economic status, and this pattern persists over a 6\u2010year period.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/apa.70593","type":"journal-article","created":{"date-parts":[[2026,5,16]],"date-time":"2026-05-16T08:09:31Z","timestamp":1778918971000},"page":"2545-2554","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Social Inequality in the Uptake of Varicella Vaccination: A Danish Nationwide Observational Study"],"prefix":"10.1111","volume":"115","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8845-4204","authenticated-orcid":false,"given":"Anne Cathrine","family":"Falch\u2010J\u00f8rgensen","sequence":"first","affiliation":[{"name":"Signum Life Science, Real World Evidence  Copenhagen Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rikke F\u00e6rgemann","family":"Hansen","sequence":"additional","affiliation":[{"name":"Signum Life Science, Real World Evidence  Copenhagen Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Natalie","family":"Clausen","sequence":"additional","affiliation":[{"name":"Signum Life Science, Real World Evidence  Copenhagen Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mette","family":"Boie","sequence":"additional","affiliation":[{"name":"MSD Denmark  Copenhagen Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thomas 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