Properties of a scale of concern for COVID-19: Exploratory analysis in a Peruvian sample

Percy G. Ruiz Mamani; Wilter C. Morales-García; Michael White; Mayte S. Marquez-Ruiz

doi:10.1016/j.medcli.2020.06.022

Properties of a scale of concern for COVID-19: Exploratory analysis in a Peruvian sample

Percy G. Ruiz Mamani, Wilter C. Morales-García, Michael White, Mayte S. Marquez-Ruiz

Research output: Contribution to journal › Article › peer-review

19 Scopus citations

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.

Translated title of the contribution	Propiedades de una escala de preocupación por la COVID-19: análisis exploratorio en una muestra peruana
Original language	English
Pages (from-to)	535-537
Number of pages	3
Journal	Medicina Clinica
Volume	155
Issue number	12
DOIs	https://doi.org/10.1016/j.medcli.2020.06.022
State	Published - 24 Dec 2020

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title = "Properties of a scale of concern for COVID-19: Exploratory analysis in a Peruvian sample",

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 {\'i}ndices 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 = "COVID-19, Factor analysis, Reliability, Sickness concern, Unidimensionality",

author = "{Ruiz Mamani}, {Percy G.} and Morales-Garc{\'i}a, {Wilter C.} and Michael White and Marquez-Ruiz, {Mayte S.}",

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year = "2020",

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T1 - Properties of a scale of concern for COVID-19

T2 - Exploratory analysis in a Peruvian sample

AU - Ruiz Mamani, Percy G.

AU - Morales-García, Wilter C.

AU - White, Michael

AU - Marquez-Ruiz, Mayte S.

PY - 2020/12/24

Y1 - 2020/12/24

N2 - 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.

AB - 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.

KW - COVID-19

KW - Factor analysis

KW - Reliability

KW - Sickness concern

KW - Unidimensionality

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Properties of a scale of concern for COVID-19: Exploratory analysis in a Peruvian sample

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