Risk factors | Intervention (%) | Control (%) | χ2 | P | |
Smoking | Yes | 105 (18.26) | 199 (25.45) | 9.845 | 0.002 |
No | 470 (81.74) | 583 (74.55) | |||
Smoking frequency | Every day | 79 (75.24) | 176 (88.44) | 11.83 | 0.001 |
Occasional | 26 (24.76) | 23 (11.56) | |||
Drinking | Yes | 66 (11.48) | 124 (15.86) | 5.276 | 0.022 |
No | 509 (88.52) | 658 (84.14) | |||
Weekly drinking frequency | More than three times | 42 (63.64) | 86 (69.36) | 4.82 | 0.028 |
Less than three times | 24 (36.36) | 38 (30.61) | |||
Blood lipid | mean + standard deviation, mmol/L | t | P | ||
TC | 4.39 ± 0.86 | 4.61 ± 0.95 | 1.77 | >0.05 | |
TG | 1.57 ± 0.86 | 1.55 ± 0.82 | 0.20 | >0.05 | |
LDL-C | 2.96 ± 0.77 | 3.63 ± 0.99 | 6.09 | <0.05 | |
HDL-C | 1.12 ± 0.46 | 0.67 ± 0.48 | 7.76 | <0.05 |