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 |
a AOR = adjusted odds ratio.
b 95% CI = 95% confidence intervals.