Table 3.

Adjusted model exploring discharge destination as a predictor of opioid use at 90-days post-operatively

Characteristic	Odds Ratio	95% Confidence Interval		p-value
Age (per year)	0.972	0.958	0.987	0.0003
Sex (reference female)	0.69	0.517	0.921	0.0118
Surgery joint (reference THA)	3.128	2.268	4.315	< .0001
Co-morbid condition	2.174	1.104	4.282	0.0248
Major complication post-discharge	2.863	1.871	4.381	< .0001
Pre-operative opioid use	3.943	2.849	5.459	< .0001
Current smoker at time of surgery	1.976	1.265	3.087	0.0028
Inpatient Rehabilitation	1.876	1.394	2.523	< .0001
EQ-5D Baseline Pain/Discomfort (per increase in pain/discomfort level)	1.261	1.06	1.501	0.009
ASA score (reference = 1,2)	1.343	1.003	1.799	0.0477

Legend: Reference group = No, unless otherwise stated; Co-morbid condition: The presence of any medicated comorbid condition was treated as binary (Yes/No). ASA score: The American Society of Anesthesiologists (ASA) score