Table 3.
Bivariate and multivariate logistic regression analyses of factors associated with ownership of THN
| Characteristics | Unadjusted | Adjusted | ||
|---|---|---|---|---|
| Odds ratio (95% CI) |
p value | Odds ratio (95% CI) |
p value | |
| Age (per year younger) | 1.04 (0.90–1.20) | 0.610 | 1.05 (0.88–1.25) | 0.627 |
| Gender (male vs. female) | 0.27 (0.13–0.57) | 0.001 | 0.29 (0.11–0.72) | 0.008 |
| White ethnicity (yes vs. no) | 2.68 (1.27–5.99) | 0.012 | 2.51 (1.02–6.51) | 0.049 |
| Downtown Eastside residencea (yes vs. no) | 0.63 (0.25–1.43) | 0.289 | 0.38 (0.11–1.14) | 0.097 |
| Ever homeless (yes vs. no) | 1.19 (0.41–4.35) | 0.768 | 1.25 (0.31–6.00) | 0.767 |
| High school completion (yes vs. no) | 1.14 (0.56–2.32) | 0.714 | 1.37 (0.54–3.54) | 0.508 |
| Employmenta (yes vs. no) | 1.05 (0.45–2.32) | 0.906 | 1.23 (0.44–3.31) | 0.685 |
| Incarcerationa (yes vs. no) | 1.02 (0.35–2.62) | 0.963 | 0.80 (1.19–2.96) | 0.748 |
| Daily heroin usea (yes vs. no) | 3.57 (1.70–7.54) | 0.001 | 3.08 (1.09–9.11) | 0.036 |
| Daily cocaine or crack usea (yes vs. no) | 0.36 (0.02–2.03) | 0.346 | 0.25 (0.01–2.43) | 0.295 |
| Daily methamphetamine usea (yes vs. no) | 2.43 (1.15–5.09) | 0.019 | 2.99 (1.13–8.13) | 0.028 |
| Daily use of prescription opioidsa (yes vs. no) | 0.29 (0.02–1.58) | 0.248 | 0.20 (0.01–1.36) | 0.161 |
| Public injectinga (yes vs. no) | 2.53 (1.23–5.29) | 0.012 | 1.55 (0.55–4.32) | 0.403 |
| Ever overdosed (yes vs. no) | 1.23 (0.61–2.50) | 0.566 | 0.63 (0.24–1.58) | 0.336 |
| Unable to access addiction treatmenta (yes vs. no) | 0.94 (0.35–2.28) | 0.899 | 0.77 (0.22–2.47) | 0.671 |
| Drug or alcohol treatmenta (yes vs. no) | 1.85 (0.89–3.98) | 0.106 | 1.47 (0.58–3.82) | 0.419 |
CI confidence interval
aIn the last 6 months