Table 1.

Distribution of the duration of self-reported marijuana use episodes (n=129) across participants.

Durationa (hours)	Number of events
<0.5	54
<1	20
<1.5	23
<2.0	13
<2.5	13
<3	6

^aDuration refers to the window of smoking episodes. From small (30 minutes) to relatively large windows (3 hours).