In addition , yoga participants had significantly greater reductions in weight , waist circumference and BMI versus control ( weight -0.82.1 vs. 1.43.6 , p = 0.02 ; waist circumference -4.24.8 vs. 0.74.2 , p < 0.01 ; BMI -0.20.8 vs. 0.61.6 , p = 0.05 ) .