Table 2.
Multilevel logistic regression models with odds ratios and 95% confidence intervals predicting daily smoking
| Model | Empty | Full | |||
|---|---|---|---|---|---|
|
Individual level fixed effects† |
|
OR |
95% CI for ORs |
||
| Academic grades |
|
0.940*** |
0.916-0.965 |
||
| Time spent with parents |
|
0.856*** |
0.801-0.916 |
||
| Peer smoking |
|
2.234*** |
1.921-2.600 |
||
| Peer respect for smoking |
|
1.849*** |
1.630-2.097 |
||
| Lifetime drunkenness |
|
6.949*** |
5.012-9.634 |
||
| Lifetime cannabis use |
|
3.540*** |
2.583-4.850 |
||
| Gender |
|
0.963 |
0.749-1.239 |
||
| Family structure |
|
1.041 |
0.807-1.343 |
||
| Parental Education |
|
0.968 |
0.929-1.008 |
||
| Attends school in home neighborhood |
|
0.816 |
0.597-1.114 |
||
| Family financial status |
|
0.962 |
0.867-1.069 |
||
| Resid. moving in the last 12 months |
|
1.338 |
0.920-1.947 |
||
| Changed schools in the last 12 months |
|
1.544* |
1.026-2.324 |
||
| Resides in the capital area |
|
0.872 |
0.660-1.153 |
||
|
School level fixed effects†† |
|
|
|
||
| Peer smoking |
|
1.914** |
1.281-2.859 |
||
|
Random effects |
|
Var. comp. |
SD |
df |
χ2 |
| Lifetime cannabis use u12 |
|
0.394** |
0.62 |
109 |
149.04 |
| Intercept u0 |
|
0.130 |
0.36 |
108 |
120.99 |
|
Model fit statistics |
|
|
|
|
|
| MOR |
1.76 |
|
|||
| ICC |
0.096 |
|
|||
| R2dicho |
|
0.83 |
|||
| −2 log likelihood | −9738.16 | −8361.76 | |||
† Based on Wald T and 6,791 df.
†† Based on Wald T and 139 df.
p < .05, ** p < .01, *** p < .001.