TABLE 2.
OR (95% CI) |
||||
---|---|---|---|---|
Lifetime Substance Use (n = 5425) | Recent Substance Use (n = 3824)* | Substance Abuse (n = 3824)* | Multisubstance Abuse (n = 767)*† | |
Pubertal stage | ||||
I/II | 1.0 | 1.0 | 1.0 | 1.0 |
III | 1.7 (1.4–2.1) | 1.4 (1.0–1.9) | 2.0 (1.3–3.2) | 1.5 (0.5–4.5) |
IV/V | 3.1 (2.4–4.2) | 2.3 (1.7–3.3) | 3.5 (2.2–5.4) | 2.0 (0.7–6.1) |
Age | 1.1 (1.0–1.3) | 1.1 (1.0–1.3) | 1.2 (1.0–1.5) | 1.5 (1.0–2.1) |
School grade level | 1.5 (1.2–2.0) | 1.7 (1.2–2.4) | 1.5 (0.9–2.3) | 0.7 (0.3–1.4) |
US sample | 0.5 (0.4–0.6) | 0.3 (0.2–0.4) | 0.3 (0.2–0.4) | 1.4 (0.9–2.2) |
Female gender | 0.6 (0.5–0.7) | 0.7 (0.6–0.8) | 0.6 (0.5–0.8) | 1.0 (0.7–1.5) |
Comparison involving grade 7 and 9 students only.
Comparison of those using ≥2 substances (n = 209) with single-substance abusers (n = 558).