. Author manuscript; available in PMC: 2018 Jun 18.

Published in final edited form as: J Subst Abuse Treat. 2017 Aug 24;82:12–21. doi: 10.1016/j.jsat.2017.08.005

Table 4.

Generalized Mixed Models predicting Prescription Drug Misuse over time adjusted for age and gender with baseline values as the reference.

Prescription Drug Misuse category	One month RR and 95% CI	3-months RR and 95% CI	6-months RR and 95% CI
Prescription opioid misuse	1.56 (0.74,3.29)	1.02 (0.40,2.55)	0.54 (0.20,1.44)
Prescription sedative misuse	1.06 (0.30,3.74)	1.16 (0.33,4.13)	0.93 (0.24,3.57)
Prescription stimulant misuse	0.71 (0.11,4.42)	1.11 (0.22,5.73)	0 (0.0)

RR = relative risk

95% CI = 95% Confidence Interval