Fig. 2

– Overview of the data collection throughout the trial. Visual representation of the specific variables to be collected in each phase of the study, which are identical at baseline and at the end of the trial (12th week) for both groups. Only the intervention group (MedDiet +) has in-person follow-up consultations with nutritional assessment at 4th and 8th weeks. *Sociodemographic and lifestyle data are also collected at baseline. Abbreviations: CRP: C-reactive protein; DAS28: Disease Activity Score using 28 joint counts; ESR: Erythrocyte sedimentation rate; HAQ: Health Assessment Questionnaire; I-FABP: Intestinal-fatty acid binding protein; LPS: Lipopolysaccharides; PREDIMED: Prevención con Dieta Mediterránea; SF36: 36-Item Short Form Health Survey