Table 5.
Prevalence of substance use by profile membership
| Profile | SU/family risks | SU/negative parenting | SU/low family risks | |||
|---|---|---|---|---|---|---|
| Substance use | n(%) | n(%) | n(%) | Δ2 | df | p |
| 13 months | ||||||
| Binge drinking | 15 (39.5%) | 12 (30.8%) | 32 (58.2%) | 7.53 | 2 | 0.023 |
| ≥ 10 cigarettes/day | 14 (36.8%) | 12 (30.8%) | 20 (36.4%) | .41 | 2 | 0.815 |
| Cocaine use | 6 (15.8%) | 2 (5.1%) | 10 (18.2%) | 3.51 | 2 | 0.173 |
| 24 months | ||||||
| Binge drinking | 12 (29.3%) | 5 (17.9%) | 25 (50.0%) | 9.12 | 2 | 0.010 |
| ≥ 10 cigarettes/day | 12 (29.3%) | 7 (25.0%) | 17 (34.0%) | .72 | 2 | 0.698 |
| Cocaine use | 9 (22.0%) | 1 (3.6%) | 7 (14.0%) | 4.60 | 2 | 0.100 |
| 36 months | ||||||
| Binge drinking | 20 (50.0%) | 3 (11.5%) | 21 (53.8%) | 13.21 | 2 | 0.001 |
| ≥ 10 cigarettes/day | 14 (35.0%) | 5 (19.2%) | 18 (46.2%) | 4.96 | 2 | 0.084 |
| Cocaine use | 10 (25.0%) | 1 (3.8%) | 6 (15.4%) | 5.23 | 2 | 0.073 |
| 48 months | ||||||
| Binge drinking | 10 (32.3%) | 7 (29.2%) | 31 (62.0%) | 10.25 | 2 | 0.006 |
| ≥ 10 cigarettes/day | 12 (38.7%) | 2 (8.0%) | 16 (32.0%) | 7.07 | 2 | 0.029 |
| Cocaine use | 8 (25.8%) | 1 (4.0%) | 6 (12.0%) | 5.78 | 2 | 0.056 |
| Kindergarten age | ||||||
| Binge drinking | 18 (52.9%) | 8 (26.7%) | 18 (51.4%) | 5.53 | 2 | 0.063 |
| ≥ 10 cigarettes/day | 9 (26.5%) | 6 (20.0%) | 17 (48.6%) | 6.84 | 2 | 0.033 |
| Cocaine use | 7 (20.6%) | 1 (3.3%) | 5 (14.3%) | 4.22 | 2 | 0.121 |
SU, substance use; Δ2, chi-square test statistic; df, degrees of freedom