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Validez y confiabilidad del instrumento Carga de la Enfermedad Crónica del Paciente GCPC-UN
Reliability and validity of the instrument Chronic Disease Burden for the patient GCPC-UN
Validade e confiabilidade do instrumento Carga da doença crônica para o paciente GCPC-UN
DOI:
https://doi.org/10.15446/av.enferm.v38n3.84031Keywords:
Indicadores de Salud, Costo de Enfermedad, Enfermedad Crónica, Psicometría, Signos y Síntomas (es)Health Indicators, Cost of Illness, Chronic Disease, Psychometrics, Signs and Symptoms (en)
Indicadores de Saúde, Efeitos Psicossociais da Doença, Doença Crônica, Psicometria, Sinais e Sintomas (pt)
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Objetivo: determinar la validez de constructo y consistencia interna del instrumento Carga de la Enfermedad Crónica para el Paciente Grupo de Cuidado al Paciente Crónico (GCPC-UN).
Materiales y métodos: estudio de tipo metodológico con la participación de 240 personas diagnosticadas con enfermedad crónica. Para validez de constructo se implementó análisis factorial exploratorio de ocho escenarios bajo dos métodos de rotación ortogonal (varimax y equamax) y cuatro métodos de extracción (componentes principales, mínimos
cuadrados no ponderados, mínimos cuadrados generalizados y factorización alfa), forzados a tres factores. La consistencia interna del instrumento se calculó a través del coeficiente alfa de Cronbach.
Resultados: se reconocieron dos de los tres factores asociados a dos dimensiones del instrumento. Se identificaron 10 ítems denominados problemáticos, cuya exclusión del análisis no representó mayor estabilidad para los resultados. El alfa de Cronbach para el instrumento final general fue de 0,925.
Conclusiones: la interpretación de los resultados correlaciona lo estadístico versus lo conceptual. El instrumento cuenta con validación de los ítems y las dimensiones propuestas, así como una adecuada confiabilidad en términos de consistencia interna. Es necesario seguir realizando pruebas de validez a la luz del nuevo constructo propuesto en este estudio.
Objective: To determine the construct validity and internal consistency of the instrument Chronic Disease Burden for the Patient, Chronic Patient Care Group (GCPC-UN).
Materials and methods: Methodological study with 240 patients diagnosed with chronic disease. For construct validity, exploratory factor analysis of 8 scenarios was implemented under two orthogonal rotation methods (varimax and equamax) and four extraction methods (main components, unweighted least squares, generalized least squares, and alpha Factorization) forced to 3 factors. The internal consistency of the instrument was calculated using the Cronbach’s alpha coefficient.
Results: Two of the three clear factors associated with two dimensions of the instrument were recognized. Ten so-called problematic items were identified and excluded from the analysis, which did not represent greater stability of the results. Cronbach’s alpha for the overall final instrument was 0.925.
Conclusions: The interpretation of the results correlates statistical versus the conceptual findings. The instrument validates the proposed items and dimensions and shows adequate reliability in terms of internal consistency. Further validity tests are necessary in light of the new construct proposed by this study.
Objetivo: determinar a validade do construto e a consistência interna do instrumento carga da doença crônica para o paciente Grupo de Cuidado ao Paciente Crônico (GCPC-UN).
Materiais e métodos: estudo de tipo metodológico com a participação de 240 pessoas com diagnóstico de doença crônica. Para a validade de construto, a análise fatorial exploratória de oito cenários foi implementada sob dois métodos de rotação ortogonal (varimax e equamax) e quatro métodos de extração (componentes principais, mínimos quadrados não ponderados, mínimos quadrados generalizados e fatoração alfa), forçados a três fatores. A consistência interna do instrumento foi calculada pelo coeficiente alfa de Cronbach.
Resultados: dois dos três fatores foram reconhecidos, associados a duas dimensões do instrumento. Foram identificados 10 itens problemáticos, cuja exclusão da análise não representou maior estabilidade para os resultados. O alfa de Cronbach para o instrumento final geral foi de 0,925.
Conclusões: a interpretação dos resultados correlaciona o estatístico versus o conceitual; o instrumento apresenta validação dos itens e dimensões propostos e confiabilidade adequada em termos de consistência interna. Mais testes de validade à luz do novo construto proposto neste
estudo são necessários.
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