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Investigating the Psychometric Properties of the Persian Version of the Attitude Scale for Cancer Screening Publisher Pubmed



Sarkhani N1 ; Negarandeh R1 ; Heshmatian ME2
Authors
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Authors Affiliations
  1. 1. Nursing and Midwifery Care Research Center, School of Nursing and Midwifery, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Research Center for Cognitive & Behavioral Sciences in Police, Directorate of Health, Rescue & Treatment, Police Headquarter, Tehran, Iran

Source: BMC Public Health Published:2023


Abstract

Background: Individual attitude is an essential component in facilitating people’s participation in adopting cancer screening behaviors. People’s attitudes toward cancer screening should be evaluated with a valid and reliable scale. Therefore, this study investigated the psychometric properties of the Persian version of the attitude scale for cancer screening. Method: In this psychometric study, the Farsi version of the attitude scale for cancer screening was prepared from English to Farsi using the Backward-Forward method. Then content, face, and construct validity, plus reliability, was evaluated by Internal Consistency and Stability methods. Construct validity was investigated using Exploratory Factor Analysis with a sample of 246 adults referring to health centers in the south of Tehran. Data analysis was done using SPSS V24 software. Results: All items received an acceptable Content Validity Ratio. The content Validity Index was confirmed for all items with a value greater than 0.79. In the qualitative review of content and face validity, all items were confirmed. Unlike the original version of the scale, which was a single factor, the results of Exploratory Factor Analysis indicated the existence of 2 factors explaining 63.84% of the total variance of the scale. Reliability based on Cronbach’s alpha coefficient for the whole scale was 0.88, and Intraclass Correlation Coefficient for the entire scale was calculated for scale reliability using the single-rating, absolute-agreement, 2-way mixed-effects method as 0.84. Conclusion: This study confirmed the validity and reliability of the Persian version of the attitude scale for cancer screening with two factors (Willing Attitude and Unwilling Attitude). Therefore, it can be a suitable and valid scale to evaluate the attitude of the community for cancer screening. © 2023, BioMed Central Ltd., part of Springer Nature.
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