biostudies-literatureLee YRMinistry of Food and Drug Safety3354https://www.ebi.ac.uk/biostudies/studies/S-EPMC12610686biostudies-literatureUnknown17(21)<h4>Background/objectives</h4>This study aimed to develop and validate a Dietary Practices and Food Safety Literacy Scale comprehensively assessing competencies among Korean older adults in healthy dietary practices, hygiene, and food safety.<h4>Methods</h4>Item development was informed by a literature review, national dietary guidelines, and existing literacy frameworks. Content validity was reviewed by a 10-member expert panel using the Delphi method. Construct validity was tested using exploratory factor analyses (EFA) and confirmatory factor analyses (CFA), and reliability was assessed through Cronbach's α, composite reliability (CR), and average variance extracted (AVE).<h4>Results</h4>EFA identified three factors-management, decision-making, and moderation competencies-comprising 13 NutrientsDevelopment of the Dietary Practices and Food Safety Literacy Scale for Older Adults.PMC12610686No. R25TA00350043-00Mun JHLim HSLee YRShin HRPark YKCho SHNam GMKim YSfalseDevelopment of the Dietary Practices and Food Safety Literacy Scale for Older Adults.<h4>Background/objectives</h4>This study aimed to develop and validate a Dietary Practices and Food Safety Literacy Scale comprehensively assessing competencies among Korean older adults in healthy dietary practices, hygiene, and food safety.<h4>Methods</h4>Item development was informed by a literature review, national dietary guidelines, and existing literacy frameworks. Content validity was reviewed by a 10-member expert panel using the Delphi method. Construct validity was tested using exploratory factor analyses (EFA) and confirmatory factor analyses (CFA), and reliability was assessed through Cronbach's α, composite reliability (CR), and average variance extracted (AVE).<h4>Results</h4>EFA identified three factors-management, decision-making, and moderation competencies-comprising 13 2025-01-01T00:00:00Z2025 Oct2026-05-17T03:18:47.92Z2026-05-17T03:12:22.295ZS-EPMC126106864122842710.3390/nu17213354