At 6 months , there were significant decreases in WC ( -0.73 vs 1.02 cm , P = 0.012 ) , WHR ( -0.02 vs -0.003 , P = 0.020 ) , and systolic BP ( -7.52 vs -0.63 mm Hg , P = 0.012 ) favoring the intervention group over the control group .