After 6 months , smoking quit rate [ 34.2 % ( 24/70 ) vs. 5.7 % ( 4/70 ) , P < 0.01 ] , drug use rates : lipid-lowering drugs [ 95.3 % ( 67/70 ) vs. 80.4 % ( 56/70 ) ] , blockers [ 82.4 % ( 57/70 ) vs. 41.3 % ( 28/70 ) ] , and ACEI/ARB [ 61.4 % ( 43/70 ) vs. 34.4 % ( 24/70 ) ] were significantly higher in the intervention group than in the control group , while total cardiovascular event rates [ 21.4 % ( 15/70 ) vs. 47.1 % ( 33/70 ) , P < 0.01 ] and out-patient medical costs ( 3789.3 RMB vs. 4984.2 RMB , P < 0.01 ) were significantly lower in the intervention group than in the control group .