Observational pain assessment in older persons with dementia in four countries: Observer agreement of items and factor structure of the Pain Assessment in Impaired Cognition

de Waal, Margot W. M.Margot W. M.de Waalvan Dalen-Kok, Annelore H.Annelore H.van Dalen-Kokde Vet, HenricaHenricade VetGimenez-Llort, LydiaLydiaGimenez-LlortKonstantinovic, LjubicaLjubicaKonstantinovicde Tommaso, MarinaMarinade TommasoFischer, ThomasThomasFischerLukas, AlbertAlbertLukasKunz, MiriamMiriamKunzLautenbacher, StefanStefanLautenbacher0000-0002-2829-347XLobbezoo, FrankFrankLobbezooMcGuire, Brian E.Brian E.McGuirevan der Steen, Jenny T.Jenny T.van der SteenAchterberg, Wilco P.Wilco P.Achterberg2020-02-042020-02-0420191090-3801https://fis.uni-bamberg.de/handle/uniba/47161engObservational pain assessment in older persons with dementia in four countries: Observer agreement of items and factor structure of the Pain Assessment in Impaired Cognitionarticle10.1002/ejp.1484