| MMP | Methadone Maintenance Program |
| IQR | Interquartile range |
| CRL | Coefficient of linear regression |
| OR | Odds ratio |
| 95% CI | 95% confidence interval |
| HIV | Human immunodeficiency virus |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.