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Introduction: Individual food consumption has health implications and direct and indirect environmental impacts. However, knowledge of the determinants of adherence to sustainable healthy diets is still scarce. Purpose: Analyze the influence of sociodemographic factors (sex, age, marital status, household composition, education, and urbanization degree), body mass index (BMI), physical activity, and diet quality (nutrient adequacy ratio – NAR) on the adherence to the Sustainable HEalthy Diet (SHED) Index and its sub-scores among Portuguese adults. Materials and methods: Data for this cross-sectional study were obtained from a convenience sample of adults through the completion of a self-reported questionnaire, including sociodemographic information, adherence to the SHED Index, physical activity level (International Physical Activity Questionnaire), and dietary intake (semi-quantitative food frequency questionnaire). Multivariate linear regressions models were used to analyze the associations between factors and the SHED Index and its sub-scores. Results: A total of 347 participants (64.6 % women) with a median age of 27 years old (P25:20; P75:50) were included. Multivariate regression showed an association of sex (Bmale = −4.286,p |
