Development of a short form of the Spanish schedule of attitudes toward hastened death in a palliative care population This study was funded also by WeCare Chair: End-of-life care at the Universitat Internacional de Catalunya and ALTIMA
Monforte-Royo, Cristina
González-de Paz, Luis
Tomás-Sábado, Joaquín (Universitat Autònoma de Barcelona. Departament d'Infermeria)
Rosenfeld, Barry
Strupp, Julia
Voltz, Raymond
Balaguer Santamaría, Albert

Data:	2016
Resum:	The schedule of attitudes toward hastened death (SAHD) is widely used to assess the wish to hasten death (WTHD) among patients with life-threatening conditions. A short form of the SAHD would increase its clinical applicability in this population. Rasch analysis of data from 101 Spanish palliative inpatients. Item reduction involved selecting items with a high discrimination index (point-biserials ≥0. 70), removing items with inadequate fit statistics, and assessing unidimensionality and local dependency. We examined the test probability function to establish an empirical risk score for suffering a WTHD and tested convergence between the original and the reduced set of items. A set of five items met all quality criteria. In this sample, 20. 8 % of participants had a higher risk of a WTHD (p > 50 %) at a score of 3. Correlation analysis confirmed convergent validity between the original and reduced forms. Concurrent validity was confirmed by the similar correlations shown by both versions of the SAHD (5 and 20 items) with other measures. This 5-item Spanish form of the SAHD could be a suitable alternative to the full instrument. The cut-off score derived from the Rasch analysis may be able to detect patients at risk of a WTHD.
Ajuts:	Instituto de Salud Carlos III PI14-00263
Drets:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original.
Llengua:	Anglès
Document:	Article ; recerca ; Versió publicada
Matèria:	Wish to hasten death ; Desire to hasten death ; Desire to die ; Palliative care ; End-of-life care ; End-of-life decisions ; Measurement ; Instrument ; Item response theory
Publicat a:	Quality of Life Research, Vol. 26 (september 2016) , p. 235-239, ISSN 1573-2649

DOI: 10.1007/s11136-016-1409-0
PMID: 27671489

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