From: Characteristics and context of fentanyl test strip use among syringe service clients in southern Wisconsin
Reason
Mean (SD)
You get a new baggie or batch?
2.4 (1.1)
Your supplier puts out a new batch?
2.6 (1.1)
Your supplier says the batch is strong?
2.7 (1.2)
Your drugs look different from what you have used before?
2.5 (1.1)