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Inicio Medicina Clínica (English Edition) Properties of a scale of concern for COVID-19: Exploratory analysis in a Peruvia...
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Vol. 155. Issue 12.
Pages 535-537 (December 2020)
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Vol. 155. Issue 12.
Pages 535-537 (December 2020)
Brief report
Properties of a scale of concern for COVID-19: Exploratory analysis in a Peruvian sample
Propiedades de una escala de preocupación por la COVID-19: análisis exploratorio en una muestra peruana
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Percy G. Ruiz Mamania,
Corresponding author
percygruiz@hotmail.com

Corresponding author.
, Wilter C. Morales-Garcíab, Michael Whiteb, Mayte S. Marquez-Ruizc
a Universidad Privada San Juan Bautista, Lima, Peru
b Universidad Peruana Unión, Lima, Peru
c Universidad Nacional de San Agustín de Arequipa, Arequipa, Peru
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Tables (3)
Table 1. Adaptation of the Cov-19CS items from the CSS.
Table 2. Descriptive variables of the Cov-19CS items.
Table 3. Correlation between the items and factorial analysis of the Cov-19CS.
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Abstract
Objective

Concern about getting sick could help prevent disease. The aim of this study was to analyze the psychometric properties of a COVID-19 concern scale (EPCov-19).

Materials and methods

This is an instrument-based study and information was collected from 224 people of Peruvian nationality in the context of social isolation. The items of the Cancer Concern Scale were adapted for this study.

Results

A scale with satisfactory psychometric properties was obtained. With a matrix of polychoric correlations, values higher than the standard were obtained in all 6 items (r>0.3) and the reliability was acceptable (α=0.866; 95% CI=0.83–0.89). Parallel analysis suggested unidimensionality of the EPCov-19, the variance explained was 79.7% and saturations were higher than 0.4. Goodness-of-fit índices were satisfactory (CFI=0.995; GFI=0.997; TLI=0.991; and RMSEA=0.059, 95% CI=0.012–0.077).

Conclusions

This is a valid and reliable instrument for measuring concern about the spread of COVID-19 and can be used in future studies.

Keywords:
Sickness concern
COVID-19
Factor analysis
Reliability
Unidimensionality
Resumen
Objetivo

La preocupación por enfermar podría ayudar a prevenir enfermedades. El objetivo de este estudio fue analizar las propiedades psicométricas de una escala de preocupación por la COVID-19 (EPCov-19).

Materiales y métodos

El estudio es de tipo instrumental y se recogió información de 224 personas de nacionalidad peruana en el contexto de aislamiento social. Se realizó una adaptación de los ítems de la escala de preocupación por el cáncer.

Resultados

Se obtuvo una escala con propiedades psicométricas satisfactorias. Con una matriz de correlaciones policóricas se obtuvieron valores superiores al estándar en los 6 ítems (r >0,3) y la confiabilidad fue aceptable (α=0,866; IC del 95%=0,83-0,89). El análisis paralelo sugirió la unidimensionalidad de la EPCov-19, la varianza explicada fue del 79,7% y las saturaciones fueron superiores a 0,4. Los índices de bondad de ajuste son satisfactorios (CFI=0,995; GFI=0,997; TLI=0,991 y RMSEA=0,059, IC del 95%=0,012-0,077).

Conclusiones

Se presenta un instrumento válido y confiable para medir la preocupación por el contagio de COVID-19 y puede ser usados en futuros estudios.

Palabras clave:
Preocupación por enfermar
COVID-19
Análisis factorial
Confiabilidad
Unidimensionalidad

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