2.3.5. Nutritional Intake Record
To control for the potential confounding effect of diet, participants were carefully instructed to complete a food consumption frequency questionnaire for three days (two weekdays and one weekend day). Energy and nutrient intakes were calculated using specific software (VD-FEN 2.1, Madrid, Spain) based on updated Spanish food composition tables [No significant difference was found between the intervention and control groups when assessing energy intake (2361 ± 241 vs. 2196 ± 212 kcal; 