Food consumption in Tunisian university students and its association with sociodemographic characteristics and lifestyle behaviours

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Abstract
Objective: This study aimed to characterise food consumption among students at the University of Carthage (Tunisia), assessing quality of diet and main dietary patterns, and their association with potential conditioning factors.Design: Cross-sectional study. Participants self-reported food consumption in two 24-h recalls and information about sociodemographic, anthropometric and lifestyle characteristics such as BMI, birthplace, physical activity, eating places or kitchen appliances. Mediterranean Diet Score (MDS) and the Nutrient Rich Foods (NRF) index (NRF9.3) were used to assess diet quality. Exploratory factor analysis was conducted to identify eating patterns. Linear regression models were used to test the association of dietary patterns with the diet quality markers.Setting: Students at the University of Carthage, Tunisia.Participants: 132 studentsResults: Almost 96 % of participants need shifts towards healthier food. Four main food patterns were identified ‘Traditional food’, ‘Transitional food’, ‘European breakfast’ and ‘Western food’. ‘Traditional food’ was the first dietary model, positively associated with MDS and NRF9.3. Women showed higher adherence to ‘European breakfast’ and higher quality of diet by NRF9.3. Students eating out of home showed higher adherence to ‘Western food’, those who never kept a regular schedule of meals consumed lower amount of vegetables and tubers, and sedentary or low active students had a higher intake of ready-to-eat products.Conclusions: Diet quality of the participating Tunisian students is inadequate, but traditional Mediterranean diet remains the main pattern in spite of the advanced transitional nutrition. Some lifestyle risk behaviours affecting quality of diet were identified in this work, which supports the youth’s particular vulnerability.

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