The longitudinal association between homelessness, injection drug use, and injection- related risk behavior among persons with a history of injection drug use in Baltimore, MD Sabriya L. Linton, David D. Celentano, Gregory D. Kirk, Shruti H. Mehta Drug & Alcohol Dependence Volume 132, Issue 3, Pages 457-465 (October 2013) DOI: 10.1016/j.drugalcdep.2013.03.009 Copyright © 2013 Elsevier Ireland Ltd Terms and Conditions
Fig. 1 (a) Diagram illustrating when homelessness, injection drug use, and covariates are measured longitudinally at the lagged visit (t−1) and current visit (t) in models 1–3. (b) Diagram illustrating when homelessness, injection-related risk behavior, and covariates are measured longitudinally at the lagged visit (t−1) and current visit (t) in model 4. Drug & Alcohol Dependence 2013 132, 457-465DOI: (10.1016/j.drugalcdep.2013.03.009) Copyright © 2013 Elsevier Ireland Ltd Terms and Conditions