Table 2.

Tramadol use among traditional and nontraditional users.

		Traditional users	Nontraditional users	P values
		(n=349)	(n=96)
Tramadol dosage, %
	25 mg	4.9	5	.91
	50 mg	83.7	73	.02
	100 mg	6.2	19	<.001
	150 mg	5.2	3	.39
Tramadol frequency, %
	1-2 times/week	38.2	26	.03
	3-4 times/week	49.5	29	<.001
	5 or more times/week	12.2	45	<.001
Reasons for using tramadol, %
	Only to treat pain	97.7	63	<.001
	Both to treat pain and to get high	2.3	32	<.001
	Only to get high	0.0	5	<.001