Table 3.
Participant Substance Use Characteristics
Participant Substance Use Characteristics (N=38) | |
---|---|
Marijuana (MJ) Use | |
Age of first use | 15.9 (2) |
Age of regular use* | 17.7 (2.1) |
Recency of last MJ use (in days) | 1.9 (2.7) |
Frequency of use | |
Days used in past 90 days | 53.6 (22.0) |
Days used in past 30 days | 19.7 (7.5) |
Times used in past 90 days | 103 [50, 164] |
Times used in past 30 days | 42.5 (32.6) |
Amount of use | |
Grams consumed in past 90 days | 28.3 [11.3, 78.7] |
Grams consumed in past 30 days | 11.3 [2.6, 31.3] |
Severity of use | |
MJ Use Disorder (SCID-IV) | |
% Lifetime Abuse | 45.9% |
% Current Abuse | 29.7% |
% Lifetime Dependence | 29.7% |
% Current Dependence | 18.9% |
Baseline CUDIT | 14.7 (6.2) |
% ≥ 8 | 89.5% |
% ≥ 12 | 58.3% |
Withdrawal | |
Baseline | |
Intensity | 29.5 [15, 49.75] |
Negative Impact | 33 [22, 48.5] |
Change from Baseline to Week 1 | |
Intensity | −1 [−11, 5] |
Negative Impact | 0 [−9, 3] |
Change from Baseline to Week 4 | |
Intensity | −3 [−24.5, 6] |
Negative Impact | 0 [−16.5, 4] |
Alcohol Use | |
% Ever used | 100% |
Age of 1st use | 15.5 (2) |
Recency of last use | |
% drank in last week | 89.5% |
% drank in last month | 94.7% |
% drank in last year | 100% |
Binge drinking episodes | 20 [2.0, 62.5] |
Frequency of use | |
Days drank in past 90 days | 25.1 (14.1) |
Days drank in past 30 days | 8.4 (5.0) |
Amount of use | |
Standard drink equivalents in past 90 days | 81.8 [54, 152.5] |
Standard drink equivalents in past 30 days | 30.0 [12.0, 60.5] |
Severity of use | |
Alcohol Use Disorder (SCID-IV) | 10.8% |
% Lifetime Abuse | 0% |
% Current Abuse | 10.8% |
% Lifetime Dependence | 0% |
% Current Dependence | 9.0 (6.3) |
Baseline AUDIT | 36.8% |
% ≥ 8 | 18.4% |
% ≥ 13 (female) or ≥ 15 (male) | |
Nicotine Use† | |
% Ever used | 89.5% |
Age of 1st use | 17 (2.5) |
Recency of use | |
% smoked in last week | 47.4% |
% smoked in last month | 63.2% |
% smoked in last year | 81.6% |
Frequency of use | |
Days smoked in past 90 days | 2.5 [0, 15.75] |
Days smoked in past 30 days | 1 [0, 4.5] |
Times smoked in past 90 days | 2.5 [0, 27.5] |
Times smoked in past 30 days | 1 [0, 7.0] |
Amount of use | |
Cigarette equivalents in past 90 days | 2.5 [0, 70.5] |
Cigarette equivalents in past 30 days | 1 [0, 18.0] |
Other Drug Use | |
% use of any drug >10 times | 31.6% |
Recency of use | |
% use of any drug in past 30 days | 26.3% |
% use of any drug in past 90 days | 68.4% |
Severity of use | |
Other Drug Use Disorder (SCID-IV) | |
% Lifetime Abuse | 5.4% |
% Current Abuse | 0% |
% Lifetime Dependence | 2.7% |
% Current Dependence | 0% |
Data available only for 26 participants.
Includes hookah and mulling