Table A.4.
Negative Binomial Regression Model Predicting Number of Naloxone Doses, N = 7,435
| Outcome: Number of Naloxone Doses | IRR1 | 95% CI1 | p-value |
|---|---|---|---|
|
| |||
| Race | |||
| White | — | — | |
| Black | 0.99 | 0.95, 1.04 | 0.65 |
| Other2 | 1.10 | 0.87, 1.37 | 0.42 |
| Age | |||
| 25–44 | — | — | |
| 45–64 | 1.05 | 1.00, 1.10 | 0.07 |
| 65+ | 0.85 | 0.68, 1.06 | 0.16 |
| 18–24 | 0.98 | 0.93, 1.03 | 0.51 |
| Under 18 | 1.06 | 0.87, 1.28 | 0.54 |
| Sex | |||
| Male | — | — | |
| Female | 0.97 | 0.94, 1.01 | 0.17 |
| Drugs Involved | |||
| Opioids Alone | — | — | |
| Opioids & Non-Stimulants | 1.05 | 0.98, 1.12 | 0.15 |
| Stimulant & Opioids Combined | 1.01 | 0.93, 1.09 | 0.79 |
| Other Drug(s)3 | 0.94 | 0.81, 1.07 | 0.34 |
| Fentanyl | |||
| Not Suspected | — | — | |
| Suspected | 1.08 | 1.04, 1.13 | <0.001 |
| Naloxone Type | |||
| Nasal Naloxone | — | — | |
| Intramuscular Naloxone | 1.04 | 0.99, 1.09 | 0.16 |
| Intravenous Naloxone | 0.93 | 0.83, 1.03 | 0.16 |
| Multiple Types of Naloxone | 1.55 | 1.48, 1.63 | <0.001 |
| ODFR Respondent | |||
| Stranger | — | — | |
| Self | 0.96 | 0.90, 1.02 | 0.19 |
| Friend | 1.03 | 0.95, 1.11 | 0.45 |
| Family | 1.02 | 0.95, 1.09 | 0.56 |
| Other4 | 0.94 | 0.77, 1.13 | 0.49 |
| Emergency Responder | 0.86 | 0.82, 0.90 | <0.001 |
| Behavioral Health Professional | 0.98 | 0.88, 1.08 | 0.69 |
| Year | 0.98 | 0.97, 1.00 | 0.06 |
1
IRR = Incident Rate Ratio, CI = Confidence Interval
2
Includes Asian, Native American, and multiracial individuals.
3
Includes alcohol, stimulants alone, benzodiazepines, and responses of “other” without additional detail.
4
Includes neighbors and responses of “other” without additional detail.