Table 3.

Methamphetamine use patterns

	Methamphetamine usea
Years of MA use	5.1 ± 2.7; 2–11; 4 (16)
Days since last use	18.5 ± 20.5; 6–90; 14 (16)
Typical frequency (days/week)	2.1 ± 1.1; 1–5; 2 (16)
*Binge in the last 30 db	5.1 ± 2.7; 0–10; 5.5 (16)
Route	8 (16) intravenous, smoke; 8 (16) nasal, oral
Estimated dose (mg)	325 ± 167; 100–500; 300 (12)

^aData are mean ± SD; range; median (n).

^bPeriod of 2–3 d of use.