Blar i Department of Clinical Psychology på forfatter "Øverland, Simon Nygaard"
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Registry-based analysis of participator representativeness: a source of concern for sickness absence research?
Knapstad, Marit; Löve, Jesper; Holmgren, Kristina; Hensing, Gunnel; Øverland, Simon Nygaard (Peer reviewed; Journal article, 2016-10-21)Objectives: Selective participation can bias results in epidemiological surveys. The importance of health status is often suggested as a possible explanation for non-participation but few empirical studies exist. In a ...