Table 4 Adjusted ORs and Confidence intervals for substance use overestimation
From: Peer substance use overestimation among French university students: a cross-sectional survey
| Variable | Adjusted OR (95% confidence interval) | |||
|---|---|---|---|---|
| Tobacco | Cannabis | Alcohol | HED | |
| Tobacco use (reference: no use) | ||||
| Low: < 1/day in the last month | 0.68 (0.40 - 1.17) | - | NS | 0.64 (0.41 - 0.99) |
| High: ≥ 1/day in the last month | 0.52 (0.30 - 0.89) | 0.47 (0.28 - 0.77) | ||
| Cannabis use (reference: no use) | ||||
| Low: ≤ 1/week in the last 12 months | - | 1.66 (1.11 - 2.51) | - | - |
| High: > 1/week in the last 12 months | 2.37 (1.23 - 4.73) | |||
| Alcohol use (reference: no use) | ||||
| Low: < 10 days in the last month | - | NS | 1.95 (1.31 - 2.92) | - |
| High: ≥ 10 days in the last month | 2.17 (1.10 - 4.23) | |||
| HED (reference: no use) | ||||
| Low: < 4 times in the last month | - | - | - | 1.85 (1.19 - 2.89) |
| High: ≥ 4 times in the last month | 2.64 (1.35 - 5.29) | |||
| Discipline (reference: sociology) | ||||
| Foreign language | - | 0.78 (0.32 - 1.93) | 0.44 (0.13 - 1.43) | 0.75 (0.21 - 2.68) |
| Medicine | 0.34 (0.18 - 0.64) | 3.72 (2.28 - 6.11) | 3.46 (2.12 - 5.70) | |
| Nursing studies | 0.35 (0.18 - 0.70) | 1.16 (0.72 - 1.85) | 1.01 (0.66 - 1.54) | |
| Tobacco use prevalence in class | 0.92 (0.89 - 0.94) | - | - | - |
| Cannabis use prevalence in class | - | 0.92 (0.88 - 0.96) | - | - |
| Alcohol use prevalence in class | - | NS | 0.96 (0.93 - 0.99) | 1.04 (1.01 - 1.07) |
| HED prevalence in class | - | - | 0.93 (0.87 - 0.99) | 0.85 (0.79 - 0.91) |
| Gender (reference: male) | 2.51 (1.56 - 4.02) | NS | - | 1.75 (1.17 - 2.64) |
| Previous questionnaires (reference: no) | - | - | 1.56 (1.10 - 2.21) | NS |
| Cannabis prevention campaigns | 1.15 (1.02 - 1.34) | 1.11 (1.02 - 1.22) | - | - |