Table 2 Factors independently associated with drug-related harms, Tijuana, Mexico --odds ratios for fixed effects (n = 727)

Social microenvironment

   Arrested^†

1.93*

(1.46-2.55)

Physical microenvironment

   Homelessness^†

1.58*

(1.12-2.23)

Drug Using Behaviors

   Injected drugs more than once per day^†

2.01*

(1.42-2.85)

   Used methamphetamine by itself^†

1.92*

(1.43-2.57)

Political Microenvironment

   Used local needle exchange program

1.91*

(1.34-2.71)

Physical macroenvironment

   Perceived a decrease in purity of at least one drug^†

2.09*

(1.25-3.50)