TABLE 1—

Summary of Twitter Analysis: Online Pharmacies Promoting Illegal Sale of Prescription Opioid Drugs, 2015

Drug Name	Total Tweets, No.	Most Correlated Tweets, No.	Relevant Tweets, %	Tweets With Links (Provided Tweet Is Relevant), %	Live Links, %	Distinct Links, No.
Codeine	431 625	874	48	68	3.1	2
Percocet	75 215	410	69	99	0.3	1
Fentanyla	28 711	. . .	. . .	. . .	. . .	. . .
Vicodin	28 610	286	95	100	1.4	2
Oxycontin	27 734	465	59	99	2.9	2
Oxycodone	18 061	336	82	99	2.6	1
Hydrocodone	9 981	282	93	87	10.0	3

^aWe were not able to detect tweets correlated with illicit online pharmacy marketing through our Biterm Topic Model approach to content coding data.