{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,6]],"date-time":"2026-02-06T00:21:25Z","timestamp":1770337285809,"version":"3.49.0"},"reference-count":28,"publisher":"Academia.edu Journals","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"abstract":"<jats:p xml:lang=\"en\">Food literacy refers to the ability to access, process, and understand food-related information and apply this knowledge to make informed food choices in different contexts. In Portugal, there are no published data on food literacy levels at the population level using a measurement scale adapted to the national context, based on the principles advocated by the Mediterranean Food Wheel, and on the matrix Domains of Food Literacy (Planning, Management, Selection, Preparation, and Consumption) and Information Processing Skills (Assessing, Understanding, Evaluating, and Applying food system information). This study aimed to develop and validate a self-perceived food literacy assessment scale for Portuguese adults. The development process involved three phases: (1) content development based on previous scales and frameworks, (2) face validity evaluation by a panel of experts, and (3) a cross-sectional study performed with 252 participants via an online questionnaire. Principal component analysis (PCA) was used to assess content validity, and Cronbach\u2019s alpha was used to measure internal consistency. Construct validity was tested by analyzing associations between food literacy and demographic, professional, and knowledge-related variables. The final Food Literacy Self-Perceived Assessment Scale included 42 items organized into a general index and five sub-indices (Planning, Management, Selection, Preparation, and Consumption). The scale showed good internal consistency (\u03b1 \u2265 0.85). Higher food literacy scores were associated with being female, younger age (\u226440 years), having a comfortable household income, working in nutrition-related fields, and possessing prior food-related knowledge. The validated Portuguese Food Literacy Self-Perceived Assessment Scale provides a useful tool for health professionals to assess food literacy among Portuguese adults.<\/jats:p>","DOI":"10.20935\/acadnutr7685","type":"journal-article","created":{"date-parts":[[2025,4,29]],"date-time":"2025-04-29T15:00:43Z","timestamp":1745938843000},"source":"Crossref","is-referenced-by-count":2,"title":["Development and validation of a food literacy self-perceived assessment scale for the Portuguese adult population"],"prefix":"10.20935","volume":"2","author":[{"given":"Joana","family":"Ribeiro","sequence":"first","affiliation":[{"name":"Portuguese Association of Nutrition, 4000-291 Porto, Portugal."},{"name":"Faculty of Nutrition and Food Sciences, University of Porto, 4150-180 Porto, Portugal."}]},{"given":"Milton","family":"Severo","sequence":"additional","affiliation":[{"name":"EPIUnit ITR, Institute of Public Health of the University of Porto, 4050-600 Porto, Portugal."},{"name":"School of Medicine and Biomedical Sciences, University of Porto, 4050-313 Porto, Portugal."}]},{"given":"Andreia","family":"Oliveira","sequence":"additional","affiliation":[{"name":"EPIUnit ITR, Institute of Public Health of the University of Porto, 4050-600 Porto, Portugal."},{"name":"Public Health and Forensic Sciences, and Medical Education Department, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal."}]},{"given":"Carla","family":"Lopes","sequence":"additional","affiliation":[{"name":"EPIUnit ITR, Institute of Public Health of the University of Porto, 4050-600 Porto, Portugal."},{"name":"Public Health and Forensic Sciences, and Medical Education Department, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal."}]},{"given":"Helena","family":"Real","sequence":"additional","affiliation":[{"name":"Portuguese Association of Nutrition, 4000-291 Porto, Portugal."},{"name":"University Institute of Health Sciences\u2013CESPU, 4585-116 Gandra, Portugal."},{"name":"1H-TOXRUN, One Health Toxicology Research Unit, University Institute of Health Sciences\u2013CESPU, 4585-116 Gandra, Portugal."}]}],"member":"9563","published-online":{"date-parts":[[2025,4,29]]},"reference":[{"key":"B1-Acad.Nutri.-2-295614","doi-asserted-by":"publisher","first-page":"134","DOI":"10.3928\/24748307-20180625-01","article-title":"Measuring nutrition and food literacy in adults: a systematic review and appraisal of existing measurement tools","volume":"2","author":"Yuen","year":"2018","journal-title":"Health Lit Res Pract"},{"key":"B2-Acad.Nutri.-2-295614","doi-asserted-by":"publisher","first-page":"56","DOI":"10.21011\/apn.2021.2411","article-title":"Literacia nutricional e literacia alimentar: uma revis\u00e3o narrativa sobre defini\u00e7\u00e3o, dom\u00ednios e ferramentas de avalia\u00e7\u00e3o","volume":"24","author":"Torres","year":"2021","journal-title":"Acta Port De Nutri\u00e7\u00e3o"},{"key":"B3-Acad.Nutri.-2-295614","year":"1998","journal-title":"Health promotion glossary"},{"key":"B4-Acad.Nutri.-2-295614","doi-asserted-by":"publisher","first-page":"50","DOI":"10.1016\/j.appet.2014.01.010","article-title":"Defining food literacy and its components","volume":"76","author":"Vidgen","year":"2014","journal-title":"Appetite"},{"key":"B5-Acad.Nutri.-2-295614","doi-asserted-by":"publisher","first-page":"5","DOI":"10.1509\/jppm.30.1.5","article-title":"From nutrients to nurturance: a conceptual introduction to food well-being","volume":"30","author":"Block","year":"2011","journal-title":"J Public Policy Mark"},{"key":"B6-Acad.Nutri.-2-295614","author":"Howard","year":"2013","journal-title":"What\u2019s to eat? 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