Table 6. Results from the logistic regression models on regular smoking.
Adolescents aged 14 to 17 years.
| Regular Smoking | Model 1 | Model 2 | Model 3 | Model 4 | Standardized Coefficients | ||||
|---|---|---|---|---|---|---|---|---|---|
| OR | P- value | OR | P-Value | OR | P-Value | OR | P-Value | ||
| Family status (baseline → follow-up) | |||||||||
| Nuclear → Nuclear | Ref | Ref | Ref | Ref | |||||
| Nuclear → Single parent | 2.46 | 0.005 | 2.40 | 0.005 | 2.10 | 0.015 | 2.09 | 0.020 | 1.184 |
| Nuclear → Step | 5.69 | 0.021 | 5.74 | 0.016 | 4.94 | 0.021 | 5.61 | 0.012 | 1.222 |
| Single parent → Single parent | 1.35 | 0.408 | 1.24 | 0.551 | 1.10 | 0.790 | 0.95 | 0.880 | 0.987 |
| Single parent → Step | 1.76 | 0.327 | 1.71 | 0.355 | 1.62 | 0.401 | 1.56 | 0.439 | 1.073 |
| Step → Step | 2.03 | 0.063 | 2.01 | 0.070 | 1.90 | 0.107 | 1.69 | 0.168 | 1.134 |
| Step → Single parent | 3.95 | 0.006 | 3.41 | 0.016 | 3.24 | 0.026 | 3.24 | 0.024 | 1.190 |
| Sex: female | 0.89 | 0.509 | 0.88 | 0.477 | 0.84 | 0.347 | 0.94 | 0.724 | 0.968 |
| Age (t1) | 1.97 | 0.000 | 1.97 | 0.000 | 1.95 | 0.000 | 1.99 | 0.000 | 2.200 |
| Socio-economic status (t0) | 0.95 | 0.026 | 0.95 | 0.032 | 0.97 | 0.294 | 0.905 | ||
| Socio-economic status (t1-t0) | 0.97 | 0.490 | 0.97 | 0.498 | 0.98 | 0.663 | 0.963 | ||
| Family cohesion (t0) | 0.98 | 0.000 | 0.99 | 0.075 | 0.847 | ||||
| Family cohesion (t1-t0) | 0.99 | 0.009 | 0.99 | 0.007 | 0.777 | ||||
| Parent-rated health (t0) | 0.97 | 0.820 | 0.980 | ||||||
| Emotional & behavioural problems (t0) | 1.08 | 0.000 | 1.505 | ||||||