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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
The relative index of inequality (RII) for age-adjusted sickness absence days/100 person-years according to occupational class among 18–34-year-old women and men 2002–2016.