Table 3.
Associations Between Weekend-Only and Not–Weekend–Only Drug Use and Any Increase in Severity, Days of Use of Drug of Most Concern, and Drug Use Consequences
| Proportions With Outcome | Odds Ratios, Weekend-Only vs Not–Weekend-Only | |||||
|---|---|---|---|---|---|---|
|
|
||||||
| Outcomes | Weekend Only Use (n = 52) | Not Weekend Only Use (n = 431) | Unadjusted Odds Ratio, OR (95% CI) | P Value | Adjusted Odds Ratio, AOR (95% CI) | P Value |
| Increase in drug use severityb | 44% | 56% | 0.62 (0.35–1.12) | 0.11 | 0.56 (0.30–1.04) | 0.07 |
| Increase in number of days per month of use of drug of most concernc | 37% | 35% | 1.09 (0.60–1.98) | 0.78 | 0.48 (0.25–0.94) | 0.03 |
| Increase in drug use consequencesd | 26% | 29% | 0.84 (0.43–1.63) | 0.60 | 0.81 (0.41–1.59) | 0.54 |
a
Adjusted for baseline age, gender, race, Hispanic, education, AUDIT-C score, employment, OASIS-score, EUROQOL-score, randomization status, and baseline value of outcome.
b
As measured by ASSIST global score.
c
As measured by Timeline Followback.
d
As measured by SIP-D inventory score.