Table 1.

Cumulative opioid exposure items by cluster derived using two-step cluster analysis

HOME item	More exposure (n=136)	Less exposure (n=125)	P value
2. Number of opioid prescriptions ever? M (SD)	3.5 (1.32)	2.4 (0.76)	<0.001
3. Ever surgery where unconscious? (%)	99.3	68.0	<0.001
4. Ever hospitalized overnight? (%)	97.8	4.0	<0.001
5. Longest continuous opioids? M (SD)	2.2 (1.21)	1.5 (0.76)	<0.001
6. Ever used opioids regularly? (%)	10.3	0.0	<0.001
7. Last opioid use? M (SD)	3.4 (0.94)	3.8 (0.55)	<0.001

HOME, History of Opioid Medication Exposure survey.