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Determining Sustainable Food Choice Motives: Validity and Reliability of the Sustainable Food Choice Questionnaire (SUS-FCQ) in Turkish Adults

Author

Listed:
  • Burcu Aksoy Canyolu

    (Department of Nutrition and Dietetics, Faculty of Health Sciences, Istanbul Medeniyet University, Istanbul 34862, Turkey)

  • Daniela Martini

    (Department of Food, Environmental and Nutritional Sciences (DeFENS), University of Milan, 20122 Milan, Italy)

  • Nilüfer Şen

    (Department of Nutrition and Dietetics, Faculty of Health Sciences, Gazi University, Ankara 06490, Turkey)

Abstract

Understanding sustainable food choices is key to shifting consumer behavior toward sustainable food consumption. This study aimed to determine the validity and reliability of the Sustainable Food Choice Questionnaire (SUS-FCQ) in 602 Turkish adults. The linguistic equivalence of the SUS-FCQ was provided using the standard translation–back translation method, content validity, and pilot testing. Then, the convergent, discriminant, and construct (exploratory factor analysis (EFA) and confirmatory factor analysis (CFA)) validity and reliability (test–retest and internal consistency) were evaluated. Cronbach’s alpha coefficient was found to be excellent (0.961) and the intraclass correlation coefficient was found to be moderate (0.689) using the test–retest method. As a result of the EFA, two-factor structures were found, and the factor loadings of the items were 0.651 and 0.878. These factors explained 79.17% of the total variance, and discriminant and convergent validity was provided for both factors. The results of this study suggest that the adapted SUS-FCQ is valid and reliable for determining sustainable food choice motives in the Turkish population. Therefore, the SUS-FCQ can be a useful instrument to encourage people to shift toward and adhere to sustainable food consumption.

Suggested Citation

  • Burcu Aksoy Canyolu & Daniela Martini & Nilüfer Şen, 2024. "Determining Sustainable Food Choice Motives: Validity and Reliability of the Sustainable Food Choice Questionnaire (SUS-FCQ) in Turkish Adults," Sustainability, MDPI, vol. 16(9), pages 1-13, April.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:9:p:3519-:d:1381008
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