Table 2 Unadjusted and adjusted Zero-inflated Poisson multivariate model predicting naloxone reversal count among participants obtaining refill (N = 962)
Unadjusted | Adjusted | |||||
|---|---|---|---|---|---|---|
Variables | IRR | 95% CI | P-value | aIRR | 95% CI | P-value |
Gender | ||||||
Man | 1 (ref) | - | - | 1 (ref) | - | - |
Woman | 1.08 | 0.88, 1.33 | 0.45 | 1.08 | 0.87, 1.33 | 0.33 |
Age at inclusion | ||||||
Mean | 1.0 | 0.99, 1.01 | 0.79 | 1.0 | 0.99, 1.01 | 0.61 |
Country of birth | ||||||
Sweden | 1 (ref) | - | - | 1 (ref) | - | - |
Rest of Europe | 0.89 | 0.69, 1.15 | 0.37 | 0.94 | 0.72, 1.23 | 0.63 |
Rest of the World | 1.26 | 0.99, 1.61 | 0.06 | 1.37 | 1.06, 1.76 | 0.02 |
Housing situation | ||||||
Stable | 1 (ref) | - | 1 (ref) | - | ||
Unstable | 1.1 | 0.91, 1.33 | 0.32 | 1.1 | 0.89, 1.34 | 0.38 |
Homeless | 1.34 | 1.05, 1.72 | 0.02 | 1.35 | 1.06, 1.73 | 0.02 |
Other | 0.84 | 0.60, 1.18 | 0.32 | 0.89 | 0.64, 1.24 | 0.48 |
Primary drug | ||||||
Opioids | 1 (ref) | - | 1(ref) | - | ||
Stimulants | 1.14 | 0.92, 1.42 | 0.24 | 1.26 | 1.01, 1.58 | 0.04 |
Benzodiazepines | 1.46 | 0.89, 2.42 | 0.14 | 1.75 | 1.1, 2.78 | 0.03 |
Other | 1.12 | 0.54, 2.35 | 0.76 | 1.38 | 0.72, 2.68 | 0.33 |
Ever experienced personal overdose (baseline) | ||||||
No | 1 (ref) | - | 1(ref) | - | ||
Yes | 1.14 | 0.93, 1.39 | 0.2 | 1.19 | 0.97, 1.47 | 0.10 |
Ever witnessed overdose (baseline) | ||||||
No | 1 (ref) | 1(ref) | ||||
Yes | 1.3 | 1.00, 1.69 | < 0.05 | 1.27 | 0.95, 1.71 | 0.10 |