Fig. 1
From: Dark chocolate and reduced snack consumption in mildly hypertensive adults: an intervention study
Study design and data collection. After a cocoa free run-in phase of 4 weeks, participants were randomly assigned to follow the snack restriction or receive 49 g dark chocolate in addition to snack restriction. Successively, participants entered a further cocoa-free washout phase of 4 weeks and then were crossed over to the other treatment. The final phase was the run-out period of 4 weeks. Abbreviations: BP = clinical blood pressure; CAVI = cardio-ankle vascular index; WT = weight and other; DR = diet records; anthropometrics; AMPM = 24-h ambulatory blood pressure; BS = blood samples; OGTT = oral glucose tolerance test; PAR = physical activity records