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Living Kidney Donation Questionnaire (PCID-DVR-Ríos): Validation and Psychometric Characteristics in a
A Ríos1, A I López-Navas2, C De-Francisco3
1Proyecto Colaborativo Internacional Donante (International Collaborative Donor Project), Murcia, Spain; Department of Surgery, Pediatrics, Obstetrics, and Gynecology, University of Murcia, Spain; Transplant Unit, Surgery Service, IMIB-Hospital Clínico Universitario Virgen de la Arrixaca, Murcia, Spain.
Background:
The attitude toward living kidney donation is important for certain promotion campaigns, however, there are few validated questionnaires in this regard. The aim of this work was to analyze the psychometric characteristics of the attitudes questionnaire about living renal donation, PCID-DVR-Ríos (Cuestionario del Proyecto Colaborativo Internacional Donante sobre Donación de Vivo Renal [Questionnaire of the International Collaborative Donor Project on Living Kidney Donation] developed by Dr Ríos) for the validation of the questionnaire in population of Spanish speakers.
Methods:
The sample studied represented the population >18 years of age, native and resident of Spain, stratified by age and sex. The measurement instrument was the PCID-DVR-Ríos questionnaire. Analysis of data was structured in several stages: an initial description of the data, exploratory factor analysis, item analysis, and internal consistency of the factors.
Results:
The questionnaire consists of 11 items, distributed in 3 factors of 6, 3, and 2 items. This structure accounts for 63.995% of the total variance. By factors, the variance is distributed as follows: factor 1: 38.461%; factor 2: 14.228%; and factor 3: 11.306%. The analysis of items and internal consistency supported the trifactorial composition. Each factor is internally consistent (α1 = .80; α2 = .70; α3 = .55).
Conclusions:
The analyzed dimensions of the PCID-DVR Ríos questionnaire to analyze attitude toward living kidney donation showed a good fit in terms of factorial validity and internal consistency values.
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