Table 2. Univariate and bivariate regressions between SSTI bacterial infections and health outcomes.
Adjusted models included sex, age, and lifetime experience of street homelessness.
| Ever had bacterial SSTI | ||||
|---|---|---|---|---|
| (64%, n = 291) | ||||
| Variable | N | n(%) | Crude | Adjusted |
| OR (95% CI) | AOR (95% CI)+ | |||
| Age | ||||
| <35 | 58 | 28 (48.3%) | 1 | 1 |
| 35–44 | 155 | 77 (49.7%) | 1.92 (1.05–3.51) | 2.03 (1.11–3.71) |
| 45+ | 242 | 186 (76.9%) | 3.32 (1.90–5.82) | 3.68 (2.09–6.50) |
| Injecting frequency | ||||
| Less than once a day | 138 | 31 (22.5%) | 1 | 1 |
| Once a day or more | 317 | 260 (82.0%) | 1.72 (1.14–2.59) | 1.61 (1.05–2.45) |
| Frequency of needle reuse | ||||
| Never | 149 | 67 (45.0%) | 1 | 1 |
| Sometimes | 255 | 184 (72.2%) | 3.17 (2.08–4.85) | 3.44 (2.23–5.30) |
| Always | 51 | 40 (78.4%) | 4.45 (2.12–9.35) | 4.04 (1.84–8.89) |
| Frequency of filter reuse | ||||
| Never | 190 | 109 (57.4%) | 1 | 1 |
| Sometimes | 156 | 108 (69.2%) | 1.67 (1.07–2.61) | 1.80 (1.14–2.84) |
| Always | 89 | 69 (77.5%) | 2.56 (1.44–4.56) | 2.67 (1.48–4.81) |
| Wash hands prior to injecting | ||||
| Yes | 299 | 189 (63.2%) | 1 | 1 |
| No | 156 | 102 (65.4%) | 1.10 (0.73–1.65) | 1.14 (0.75–1.72) |
| Wipe injection site prior to injecting | ||||
| Yes | 352 | 222 (63.1%) | 1 | 1 |
| No | 103 | 69 (67.0%) | 1.19 (0.75–1.89) | 1.13 (0.70–1.82) |
| Sub-cutaneous injecting (past 12 months) | ||||
| No | 110 | 62 (56.4%) | 1 | 1 |
| Yes | 176 | 136 (77.3%) | 2.63 (1.57–4.41) | 2.55 (1.49–4.35) |
| Intra-muscular injecting (past 12 months) | ||||
| No | 168 | 100 (60.0%) | 1 | 1 |
| Yes | 118 | 98 (83.1%) | 3.33 (1.88–5.90) | 3.10 (1.74–5.52) |
| Attempts before achieving injection | ||||
| Once | 202 | 99 (49.0%) | 1 | 1 |
| Twice | 82 | 56 (68.3%) | 2.24 (1.30–3.85) | 2.14 (1.24–3.66) |
| Three times | 58 | 41 (70.7%) | 2.51 (1.34–4.71) | 2.43 (1.32–4.50) |
| Four or more times | 108 | 91 (84.3%) | 5.57 (3.10–10.02) | 5.01 (2.75–9.14) |
| Does not inject in vein | 5 | 4 (80.0%) | 4.16 (0.46–37.98) | 3.01 (0.30–29.82) |
| Years injecting main drug | ||||
| One year or less | 57 | 15 (26.3%) | 1 | 1 |
| 2–4 years | 70 | 31 (44.3%) | 2.23 (1.05–4.74) | 2.49 (1.16–5.34) |
| 5–7 years | 50 | 30 (60.0%) | 4.20 (1.85–9.52) | 3.95 (1.73–9.02) |
| 8–10 years | 55 | 35 (63.6%) | 4.90 (2.19–10.98) | 4.84 (2.14–10.92) |
| 11–14 years | 31 | 27 (87.1%) | 18.90 (5.66–63.10) | 21.84 (6.47–73.73) |
| 15+ years | 192 | 153 (79.7%) | 10.98 (5.53–21.84) | 10.05 (4.99–20.26) |
| Comorbidity (diagnosed) | ||||
| No conditions | 92 | 34 (37.0%) | 1 | 1 |
| One condition | 143 | 81 (56.6%) | 2.23 (1.30–3.82) | 2.01 (1.16–3.49) |
| Two conditions | 94 | 71 (75.5%) | 5.27 (2.80–9.92) | 4.88 (2.57–9.26) |
| Three conditions | 66 | 52 (78.8%) | 6.34 (3.06–13.11) | 5.48 (2.62–11.43) |
| Four conditions | 34 | 30 (88.2%) | 12.79 (4.14–39.42) | 10.50 (3.39–32.51) |
| Five conditions or more | 26 | 23 (88.5%) | 13.08 (3.65–46.89) | 10.02 (2.67–37.57) |