Table 2. Characteristics of doctor shopping patients during doctor shopping and non-doctor shopping periods (mean, median [IQR] unless otherwise indicated).

	When Doctor Shopping		When not Doctor Shopping
Patients, N (%)	37,333		33,762*
Time data
Active time (days)	395	288 [228, 437]	907	729 [307, 1390]
Prescription data
Prescriptions/patient	26.2	16 [10, 28]	36.2	21 [7, 53]
Prescriptions/patient/month	1.8	1.6 [1.2, 2.2]	1.0	.9 [.6, 1.3]
MME/prescription (patient weighted)	837	487 [251, 929]	1067	552 [252, 1142]
Prescriber data
Prescribers/patient	10.4	7 [6, 11]	6.9	6 [3, 10]
Prescribers/patient/month	.83	.80 [.69, .92]	.30	.28 [.18, .37]
Prescriptions/provider (patient weighted)	2.3	1.9 [1.4, 2.8]	5.0	3.3 [1.7, 6.4]
Usage data
Total morphine equivalents/patient	27312	8425 [3260, 23330]	56260	12089 [2350, 48028]
Morphine equivalents/patient/day	57.7	26.9 [11.6, 60.2]	46.5	17.2 [5.7, 45.5]
Pharmacologic Data:
Patient gets only short acting opioids	60.2%		64.2%
Patient gets ≥ 1 methadone/buprenorphine	13.7%		14.2%
Prescriptions, N (%)	977,245 (44.5%)		1,221,386 (55.5%)
Morphine equivalents/prescription	1043	450 [150, 1000]	1555	675 [300, 1500]
Short acting opioids (%)	86.1%		81.9%
Methadone/buprenorphine (%)	4.3%		6.3%
Top 3 medications (%)	Hydrocodone/Acetaminophen (57.5%)		Hydrocodone/Acetaminophen (55.8%)
	Oxycodone/ Acetaminophen (10.5%)		Oxycodone/ Acetaminophen (8.1%)
	Morphine sulfate (5.4%)		Morphine sulfate (6.4%)

* 3,571 patients doctor shopped continuously during their time in the data base.