Table 4.

The interactions between opioid and benzodiazepine prescriptions in the last month of follow up on mortality, stratified by OUD diagnosis

		OUD		Non-OUD
Opioid prescription	BDZ prescription	OR (95% CI)	ROR	OR (95% CI)	ROR
No	No	1.00	1.29 (0.63, 2.62)	1.00	3.83 (1.78, 8.21)***
No	Yes	2.00 (1.10–3.62)*		1.64 (0.86, 3.14)
Yes	No	1.20 (0.82–1.74)		1.22 (0.86, 1.72)
Yes	Yes	3.08 (2.02, 4.69)***		7.65 (4.94, 11.84)***

ROR: the ratio of odds ratio; Adjusted for all covariates in the Model 3 (

^*p<0.05,

^**p<0.01,

^***p<0.001)