From: Effectiveness of bystander naloxone administration and overdose education programs: a meta-analysis
| Study | Program site(s) | Subjects | Follow-up(s) | Study design |
|---|---|---|---|---|
| Green et al. 2008 | Baltimore | Users | N/A | Cross-sectional |
| San Francisco | ||||
| Chicago | ||||
| New York | ||||
| New Mexico | ||||
| McAuley et al. 2010 | Lanarkshire | High risk users | 2 months 6 months | Cohort |
| Williams et al. 2014 | London | Family/friends of users | 3 months | Randomized controlled trial |
| Kent | ||||
| Herefordshire | ||||
| Gaston et al. 2009 a | Birmingham | Users | 3 months 6 months | Cohort |
| London | ||||
| Jones et al. 2014 | New York City | Users | N/Ab | Cohort |