Table 1.
Socio-demographic predictors of alcohol and drug dependence (unconditional models).
| T2 onset of alcohol dependence among T1 non-alcohol-dependent |
T2 onset of drug dependence among T1 non-drug-dependent |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| OR | LOWOR | UPOR | χ2 | P-value | OR | LOWOR | UPOR | χ2 | P-value | |
| Age (years) | ||||||||||
| 15–24 | 8.4 | 2.2 | 31.9 | 18.0 | 0.000 | 56.7 | 6.5 | 497.0 | 28.3 | 0.000 |
| 25–34 | 8.8 | 2.7 | 29.2 | – | – | 44.0 | 5.3 | 362.7 | – | – |
| 35–44 | 2.8 | 0.8 | 10.0 | – | – | 5.3 | 0.5 | 52.1 | – | – |
| Male | 1.9 | 0.9 | 4.0 | 2.8 | 0.091 | 1.3 | 0.6 | 2.8 | 0.6 | 0.458 |
| Race (not white) | – | – | – | – | – | 2.3 | 1.1 | 4.9 | 4.9 | 0.028 |
| Education 0–11 years | – | – | – | – | – | 15.1 | 4.0 | 57.5 | 34.1 | 0.000 |
| Education 12 years | – | – | – | – | – | 11.5 | 3.2 | 40.6 | – | – |
| Education 13–15 years | – | – | – | – | – | 2.1 | 0.5 | 8.8 | – | – |
| Student | 3.1 | 1.6 | 6.3 | 14.5 | 0.001 | – | – | – | – | – |
| Homemaker/other employment | 2.6 | 1.3 | 5.2 | – | – | – | – | – | – | – |
| 0 Children | 0.9 | 0.5 | 1.7 | 1.2 | 0.557 | – | – | – | – | – |
| 1 Child | 1.5 | 0.6 | 4.0 | – | – | – | – | – | – | – |
| Northeast region | 0.9 | 0.3 | 2.6 | 1.6 | 0.665 | – | – | – | – | – |
| South region | 0.994 | 0.5 | 2.1 | – | – | – | – | – | – | – |
| West region | 1.6 | 0.7 | 4.0 | – | – | – | – | – | – | – |
| Metro area | 1.1 | 0.6 | 2.3 | 1.2 | 0.746 | 1.043 | 0.4 | 2.9 | 1.5 | 0.672 |
| Urban area | 0.8 | 0.4 | 1.6 | – | – | 0.7 | 0.3 | 1.5 | – | – |
| Rural area | 1.1 | 0.6 | 2.0 | – | – | 0.8 | 0.4 | 1.6 | – | – |
| Weekly smoke without dependence | 2.8 | 1.2 | 6.3 | 46.4 | 0.000 | 1.4 | 0.5 | 4.2 | 13.9 | 0.001 |
| Tobacco dependence | 5.4 | 3.3 | 8.9 | – | – | 3.4 | 1.7 | 7.0 | – | – |
| 12 drinks without abuse | – | – | – | – | – | 2.3 | 1.001 | 5.4 | 8.4 | 0.039 |
| Alcohol abuse without dependence | – | – | – | – | – | 2.9 | 1.019 | 8.0 | – | – |
| Alcohol dependence | – | – | – | – | – | 4.5 | 1.5 | 13.0 | – | – |
| Number of cases | 3983 | 4472 | ||||||||
| Number of alcohol/drug-dependent cases | 104 | 77 | ||||||||
OR: odds ratio; LOWOR: lower bound OR based on 95% confidence intervals; UPOR: upper bound OR based on 95% confidence intervals.