Significant between-group mean differences existed in PWV ( -2.30 [ 95 % CI,-3 .02 to-1 .59 ] m/s ) , waist circumference ( -7.112.8 [ 95 % CI,-12 .4 to-3 .2 ] cm ) , and Vo2peak ( 5.7 [ 95 % CI , 1.34-10 .10 ] mL/kg/min ) .