From: Measuring substance use in the club setting: a feasibility study using biochemical markers
Predictor variables | Bivariate analyses | Multivariate analyses | ||||
---|---|---|---|---|---|---|
χ 2 (d.f.) | O.R. | 95% C.I. | χ 2 (d.f.) a | O.R. | 95% C.I. | |
D.V.: Illicit drug use (yes vs. no) b | ||||||
BAC level (≥ 0.1% vs. < 0.1%) | 7.66(1)** | 2.65 | 1.30-5.40 | 5.63(1)* | 2.53 | 1.18-5.43 |
Risky alcohol consumption (yes vs. no) | 2.47(1) | 2.14 | 0.81-5.63 | 1.84(1) | 2.17 | 0.71-6.61 |
Gender (males vs. females) | 2.40(1) | 1.79 | 0.85-3.78 | 1.35(1) | 1.59 | 0.72-3.45 |
Clubbing (≥ 1 times/week vs. < 1-2 times/month) | 1.22(1) | 1.46 | 0.75-2.85 | 0.21(1) | 1.18 | 0.57-2.46 |
Time (2 a.m. or later vs. before 2 a.m.) | 2.76(1) | 1.79 | 0.89-3.58 | 2.88(1) | 1.89 | 0.91-3.94 |
Age (≥ 25 years vs. < 25 years) | 0.02(1) | 0.95 | 0.49-1.83 | 0.34(1) | 0.81 | 0.40-1.36 |
Relationship status (no relationship vs. relationship) | 0.71(1) | 0.75 | 0.39-1.46 | 2.32(1) | 0.58 | 0.28-1.17 |
D.V.: BAC level (≥ 0.1% vs. < 0.1%) | ||||||
Illicit drug use (yes vs. no) | 7.66(1)** | 2.65 | 1.30-5.40 | 5.79(1)* | 2.55 | 1.19-5.45 |
Risky alcohol consumption (yes vs. no) | 13.51(1)*** | 2.57 | 1.54-4.30 | 8.50(1)** | 2.28 | 1.31-3.96 |
Gender (males vs. females) | 10.58(1)** | 2.00 | 1.31-3.05 | 7.49(1)** | 1.88 | 1.19-2.94 |
Clubbing (≥ 1 times/week vs. < 1-2 times/month) | 11.83(1)** | 2.11 | 1.38-3.25 | 4.05(1)* | 1.62 | 1.01-2.60 |
Time (2 a.m. or later vs. before 2 a.m.) | 0.96(1) | 1.22 | 0.82-1.82 | 0.28(1) | 1.12 | 0.73-1.72 |
Age (≥ 25 years vs. < 25 years) | 0.54(1) | 1.05 | 0.71-1.56 | 0.89(1) | 1.24 | 0.80-1.92 |
Relationship status (no relationship vs. relationship) | 3.06(1) | 1.43 | 0.96-2.14 | 0.67(1) | 1.20 | 0.77-1.87 |