Model | Estimate | 95% CI | P |
---|---|---|---|
Linear model | |||
 Model 1 | |||
  Duration of smoking | 0.302 | 0.271, 0.334 | < 0.001 |
 Model 2 | |||
  Duration of smoking | 0.318 | 0.287, 0.349 | <  0.001 |
  Sex (male vs. female) | 2.548 | 0.685, 4.411 | 0.007 |
  Quit vs. never drink | 1.787 | 0.351, 3.223 | 0.015 |
  Current vs. never drink | 2.498 | 1.570, 3.427 | <  0.001 |
  BMI | 0.831 | 0.725, 0.936 | <  0.001 |
  Moderate vs. light physical activity | −2.707 | −3.762, −1.651 | <  0.001 |
  Heavy vs. light physical activity | −2.570 | −3.548, − 1.593 | <  0.001 |
 Model 3 | |||
  Duration of smoking | 0.283 | 0.252, 0.314 | <  0.001 |
  Sex (male vs. female) | 3.195 | 1.343, 5.047 | 0.001 |
  Quit vs. never drink | 1.276 | −0.151, 2.704 | 0.080 |
  Current vs. never drink | 2.359 | 1.438, 3.280 | <  0.001 |
  BMI | 0.752 | 0.646, 0.857 | <  0.001 |
  Moderate vs. light physical activity | −2.476 | −3.523, -1.429 | <  0.001 |
  Heavy vs. light physical activity | −2.144 | −3.115, −1.172 | <  0.001 |
  LDL-C | 1.597 | 1.149, 2.045 | <  0.001 |
  FPG | 1.184 | 0.921, 1.446 | <  0.001 |
Spline model | |||
 Model 4 a | |||
  Duration of smoking (linear) | 0.118 | 0.043, 0.193 | 0.002 |
  Duration of smoking (non-linear) | 0.234 | 0.147, 0.320 | <  0.001 |
Segmented model | |||
 Model 5a | |||
  Threshold of duration of smoking | 46.006 | 43.594, 48.418 | – |
  Duration of smoking (shorter than 46.006 years) | 0.256 | 0.220, 0.292 | <  0.001 |
  Duration of smoking (longer than 46.006 years) | 1.262 | 0.869, 1.655 | – |