In the dietary guidelines group ( n = 80 ) compared with control ( n = 82 ) , daytime systolic BP was 4.2 mm Hg ( 95 % CI : 1.7 , 6.6 mm Hg ; P < 0.001 ) lower , the treatment effect on flow-mediated dilation [ -0.62 % ( 95 % CI : -1.48 % , 0.24 % ) ] was not significant , the total cholesterol : HDL cholesterol ratio was 0.13 ( 95 % CI : 0 , 0.26 ; P = 0.044 ) lower , pulse wave velocity was 0.29 m/s ( 95 % CI : 0.07 , 0.52 m/s ; P = 0.011 ) lower , high-sensitivity C-reactive protein was 36 % ( 95 % CI : 7 % , 48 % ; P = 0.017 ) lower , the treatment effect on the Revised Quantitative Insulin Sensitivity Check Index [ 2 % ( 95 % CI : -2 % , 5 % ) ] was not significant , and body weight was 1.9 kg ( 95 % CI : 1.3 , 2.5 kg ; P < 0.001 ) lower .