Nutrition Knowledge Scale (NKS): Development, Factor Structure, and Validation for Healthy Adults

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dc.authoridtoguc, hakan/0000-0002-8134-1151|Aydin Hakli, Duygu/0000-0002-4475-3288|GUNAL, AHMET MURAT/0000-0001-9109-1080
dc.contributor.authorYilmaz, Hande Ongun
dc.contributor.authorHakli, Duygu Aydin
dc.contributor.authorToguc, Hakan
dc.contributor.authorCobanoglu, Zeynep
dc.contributor.authorSayar, Canel Onel
dc.contributor.authorErkul, Cahit
dc.contributor.authorGunal, Ahmet Murat
dc.date.accessioned2025-10-24T18:09:39Z
dc.date.available2025-10-24T18:09:39Z
dc.date.issued2021
dc.departmentMalatya Turgut Özal Üniversitesi
dc.description.abstractObjective: Valid and reliable scales are required to determine and evaluate nutritional knowledge. This research aims to develop the nutrition knowledge scale for adults and to examine the factor structure, validity, and reliability. Methods: Initially, the Nutrition Knowledge Scale (NKS) was constituted, paying attention to content and construct validity. The content validity index (CVI) was found as 0.884. Five hundred eighty-five (371 females, 214 males) volunteers consisting of healthy adults completed the general information form and NKS. For test-retest reliability, 164 (28.03%) participants completed the NKS again within four weeks following the first conduct. Results: As a result of Explanatory Factor Analysis (EFA), NKS items were collected under one factor. According to the results of the Confirmatory Factor Analysis (CFA), all fit indices were found at an acceptable level. Cronbach's alpha value calculated for reliability analysis of NKS is 0.851. The intraclass correlation coefficient (ICC) calculated for test-retest reliability is 0.863. Conclusion: This research indicates that NCS is an acceptable, valid, and reliable scale that covers all aspects of nutritional knowledge and can be used in future research for determining and evaluating the nutritional knowledge level of adults.
dc.identifier.doi10.23751/pn.v23i3.11030
dc.identifier.issn1129-8723
dc.identifier.issue3
dc.identifier.urihttps://doi.org/10.23751/pn.v23i3.11030
dc.identifier.urihttps://hdl.handle.net/20.500.12899/3764
dc.identifier.volume23
dc.identifier.wosWOS:000704969300022
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.language.isoen
dc.publisherMattioli 1885
dc.relation.ispartofProgress In Nutrition
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20251023
dc.subjectNutrition knowledge; scale; factor structure; reliability; validity
dc.titleNutrition Knowledge Scale (NKS): Development, Factor Structure, and Validation for Healthy Adults
dc.typeArticle

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