Table 2.
Patterns of Drug Use at 6 Months by Baseline Status
| Use Pattern for the Last 30 Days, 6 Months After Baseline, n (%) | Baseline Use Pattern
|
P Value | |
|---|---|---|---|
| Weekend Only (n = 52) | Not Weekend Only (n = 431) | ||
| No usea | 14 (26.9) | 56 (13) | |
| Weekend-only use | 10 (19.2) | 22 (5.1) | |
| Not–weekend-only use | 28 (53.9) | 353 (81.9) | .001b |
a
Among participants with drug use at baseline.
b
Overall chi-square test of association. Subsequent post-hoc tests suggest significant differences for each category 6 months later.