Figure 3.
1 Each bubble represents a single publication within each grain by outcome category and the size corresponds to the study sample size; position of bubbles is random within each cell; trial bubbles are duplicated between outcome or grain categories when >1 outcome of grain type was studied; 1 Mixed Whole Grain (WG) group includes combinations of 2 or more WGs, WG diets and unspecified WG foods (ex: WG bread); 2 Other outcomes include exercise performance, micronutrient status, clinical blood and urine measures and other metabolites.