Table 2 Logistic regression analyses of ethnicity on AOD use outcomes
AOD use outcome | Covariate | Wald test statistic | p | AORa | 95% CIb |
|---|---|---|---|---|---|
Heavy episodic drinking (yes) | Ethnicity (Coloured) | 8.10 | 0.004 | 1.61 | 1.16–2.23 |
|  | Age | 0.03 | 0.860 | 1.00 | 0.97–1.04 |
|  | Income | 3.78 | 0.052 | 1.00 | 1.00–1.00 |
|  | Unemployment (No) | 6.87 | 0.009 | 0.44 | 0.24–0.82 |
|  | Education (Not complete high school) | 0.20 | 0.656 | 0.89 | 0.53–1.49 |
Cannabis -positive (yes) | Ethnicity (Coloured) | 53.11 | <0.001 | 0.14 | 0.08–0.24 |
|  | Age | 3.20 | 0.074 | 0.96 | 0.92–1.00 |
|  | Income | 8.32 | 0.004 | 1.00 | 1.00–1.00 |
|  | Unemployment (No) | 0.01 | 0.937 | 1.03 | 0.50–2.11 |
|  | Education (Not complete high school) | 2.34 | 0.126 | 1.68 | 0.86–3.28 |
Methamphetamines -positive (yes) | Ethnicity (Coloured) | 128.69 | <0.001 | 8.43 | 5.83–12.18 |
|  | Age | 0.00 | 0.997 | 1.00 | 0.96–1.04 |
|  | Income | 0.42 | 0.515 | 1.00 | 1.00–1.00 |
|  | Unemployment (No) | 5.97 | 0.015 | 0.48 | 0.27–0.86 |
|  | Education (Not complete high school) | 4.59 | 0.032 | 0.54 | 0.31–0.95 |