Research Paper Volume 13, Issue 4 pp 5571—5584
The joint effect of energy reduction with calcium supplementation on the risk factors of type 2 diabetes in the overweight population: a two-year randomized controlled trial
Figure 6. The effect of energy reduction and calcium supplementation on HbA1c adjusted for age, gender, smoking, drinking, regular exercise, and BMI. (A) Comparison of HbA1c changes between ERGs and NERGs. (B) Comparison of HbA1c changes between CSGs and NCSGs. (C) Comparison of HbA1c changes among CG, ERG, CSG, and ER-CSG. Note: P-value for the difference in the joint effect of intervention and time.