• Antonio Angel Regueiro Martínez, Alberto Pérez-Vázquez, Sonia M Gómara Villabona, and M Carmen Ferreiro Cruz.
• Medicina de Familia, Centro de Salud de Vilanova de Arousa, Pontevedra, Spain. regueiro@cmpont.es
• Aten Primaria. 2007 Apr 1; 39 (4): 185-8.

ObjectiveTo determine which Short Zarit Interview behaves best for use in establishing caregivers' burden in primary care.DesignStudy of validation of diagnostic tests.LocationVilaboa Health Centre, Pontevedra, Spain.ParticipantsMain caregivers of elderly dependent patients who live at home.InterventionsKatz Index to determine dependence, Zarit Burden of Care Interview and palliative care version of the Short Zarit Interview, Bédard, Bédard screening version, and the Japanese version.Main MeasurementsZarit Interview in its 22-item version, with subsequent calculation of the sensitivity (S), specificity (Sp), positive predictive value (PPV), and negative predictive value (NPV) of the various reduced versions.ResultsThe Short Zarit Interview used in palliative care cases to determine the family giving up has an S of 100%, Sp 90.5%, PPV 95.45%, and NPV 100% in defining caregivers' burden in primary care.ConclusionsThe scale that behaves best in primary care is the Short Zarit Interview for palliative care.

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