This group showed markedly higher effects of the intervention compared to the entire intervention group , with greater decreases in body weight ( 2.74 vs 1.49 kg ) , waist circumference ( 3.74 vs 2.33 cm ) , insulin resistance ( HOMA index : 0.23 vs 0.20 ) , and in cholesterol/HDL ratio ( 0.39 vs 0.20 ) and Framingham risk score ( 0.90 % vs 0.54 % ) .