Table 2 Binary logistic regression for significant predictors of smoking status
Variable | B | p value | OR | 95% CI for OR | |
|---|---|---|---|---|---|
Lower | Upper | ||||
Age category (< 25): reference | |||||
Age category (25–34.9) | 0.890 | 0.002 | 2.436 | 1.382 | 4.294 |
Age category (35–44.9) | 0.938 | 0.019 | 2.556 | 1.164 | 5.612 |
Age category (> 45) | 1.227 | 0.002 | 3.413 | 1.542 | 7.551 |
Gender (male) Gender (female): reference | 2.000 | 0.000 | 7.390 | 4.867 | 11.223 |
Marital status (single) Marital status (married): reference | − 0.058 | 0.798 | 0.944 | 0.607 | 1.468 |
Place of graduation (local universities) Place of graduation (Abroad): reference | 0.172 | 0.455 | 1.188 | 0.756 | 1.867 |
Night or on-call shifts No Yes (reference) | − 0.041 | 0.843 | 0.960 | 0.642 | 1.437 |
Family history of smoking Positive Negative (reference) | 1.005 | 0.000 | 2.732 | 1.881 | 3.968 |
Constant | − 3.164 | 0.000 | 0.042 | ||