Different Levels in Orexin Concentrations and Risk Factors Associated with Higher Orexin Levels: Comparison between Detoxified Opiate and Methamphetamine Addicts in 5 Chinese Cities

Table 3

Multiple logistic regression for associations between administration routes of drug use and a concentration above the median of the orexin (pg/mL) among opiate addicts.

Administration routes of drug use	N	Adjusted OR	95% CI	P
Chasing the dragon	181	1
Injection	79	3.073	1.194–7.909	0.020
Others	25	1.720	0.687–4.304	0.247

Adjusted for age of subjects, marital status, months of drug use, and dosage of drug use.