Table 2.
Results of univariable and multivariable logistic regression: factors associated with residential transience, n = 147
| Univariable OR (95% CI) | p value | Multivariable OR (95% CI) | p value | |
|---|---|---|---|---|
| Age 25–30 vs. 18–24 | 0.72 (0.37–1.42) | 0.346 | 0.95 (0.35–2.62) | 0.925 |
| Male gender | 0.91 (0.47–1.77) | 0.785 | 3.17 (1.08–9.32) | 0.036 |
| NH white race | 1.23 (0.62–2.44) | 0.556 | 0.89 (0.32–2.45) | 0.820 |
| Education (ref = less than HS) | ||||
| High school diploma | 1.53 (0.71–3.30) | 0.274 | 1.76 (0.45–6.86) | 0.418 |
| Any college | 2.96 (1.25–7.01) | 0.014 | 4.91 (1.25–19.3) | 0.023 |
| Suburban borna | 0.99 (0.45–2.17) | 0.975 | – | – |
| Regular job | 1.11 (0.59–2.08) | 0.748 | – | – |
| Homeless in past 6 months | 6.42 (3.19–12.9) | <0.001 | 9.67 (3.81–24.5) | <0.001 |
| Self-reported HCV positive | 5.09 (1.10–23.5) | 0.037 | 5.41 (1.18–24.7) | 0.029 |
| Years injecting | 0.99 (0.91–1.07) | 0.779 | – | – |
| Drug and sexual risk behaviors, past 6 months | ||||
| Smoked crack | 2.30 (1.21–4.39) | 0.011 | – | – |
| Poly-injection drug use | 1.99 (0.99–4.01) | 0.053 | – | – |
| Backloading | 2.76 (1.24–6.14) | 0.013 | – | – |
| Receptive syringe sharing | 3.25 (1.50–7.01) | 0.003 | 1.74 (1.07–2.84) | 0.025 |
| Injected daily | 0.59 (0.26–1.35) | 0.211 | – | – |
| Injections per day (ref = 1) | ||||
| 2–4 | 1.15 (0.22–6.00) | 0.865 | – | – |
| ≥5 | 2.75 (0.48–15.6) | 0.254 | – | – |
| Frequency of injection with others (ref = never) | ||||
| Sometimes | 2.37 (0.89–6.33) | 0.086 | – | – |
| Often | 3.16 (1.11–8.98) | 0.030 | – | – |
| Exchanged sex for drugs or money | 4.61 (1.66–12.8) | 0.003 | 9.30 (1.65–52.4) | 0.011 |
| ≥2 Sex partners past 6 months | 3.06 (1.53–6.11) | 0.002 | – | – |
| Geographic variables | ||||
| Drug markets in multiple places | 1.63 (0.75–3.57) | 0.218 | – | – |
| Inject in multiple locations | 1.88 (0.88–3.98) | 0.101 | – | – |
| Inject ≥1 in West side drug market area | 1.06 (0.53–2.12) | 0.870 | – | – |
| Injection network variables | ||||
| Core injection network size | 1.14 (1.01–1.28) | 0.039 | – | – |
| Any network member is suburban | 0.94 (0.82–1.09) | 0.434 | – | – |
| Percent network NH white | 0.45 (0.15–1.31) | 0.141 | – | – |
| Mean age of network members | 0.99 (0.94–1.05) | 0.761 | – | – |
| Any network member is homeless | 4.31 (1.66–11.2) | 0.003 | – | – |
| Any network member is crossover | 5.02 (2.04–12.3) | <0.001 | 3.69 (1.15–11.8) | 0.028 |
| Any network member reports syringe sharing | 2.93 (1.34–6.41) | 0.007 | – | – |
| Any network member is HCV positive | 2.23 (0.88–5.65) | 0.090 | – | – |
aPlace of birth was only available for representative sample (n = 104; 63%)