Table 1 Comparison of baseline characteristics among participants in intervention and control groups
From: Guided web-based treatment program for reducing cannabis use: a randomized controlled trial
Intervention group (n = 151) | Control group (n = 152) | Test value | p-value | |
|---|---|---|---|---|
Women (%) | 37.7 | 27.6 | χ2(1) = 3.524 | 0.60 |
Mean age (sd) | 27.7 (7.8) | 27.1 (6.5) | t(301) = − 0.699 | 0.485 |
Civil state | ||||
Single (%) | 58.9 | 53.9 | χ2(4) = 4.933 | 0.296 |
Partner, not married (%) | 22.5 | 28.9 | ||
Married/registered partnership (%) | 13.2 | 14.5 | ||
Divorced/separated (%) | 5.3 | 2.0 | ||
Widow/widower (%) | 0 | 0.7 | ||
Financial situation | ||||
Employment (%) | 60.3 | 63.8 | χ2(7) = 6.662 | 0.465 |
Study allowance (%) | 19.2 | 15.1 | ||
Pension (%) | 0.7 | 0.7 | ||
Sickness/activity compensation (%) | 4.6 | 9.2 | ||
Sickness benefits (%) | 3.3 | 0.7 | ||
Unemployment benefits (%) | 1.3 | 0.7 | ||
Social assistance (%) | 4.0 | 2.6 | ||
Other (%) | 6.6 | 7.2 | ||
Highest completed education | ||||
Unfinished primary school, grade school or equivalent (%) | 2.6 | 6.6 | χ2(4) = 5.437 | 0.245 |
Primary school/grade school (%) | 17.9 | 16.4 | ||
Upper secondary school, vocational school or equivalent (%) | 57.6 | 59.2 | ||
University/College (%) | 18.5 | 17.1 | ||
Other education (%) | 3.3 | 0.7 | ||
Living situation | ||||
Alone (%) | 25.8 | 27.0 | χ2(6) = 5.399 | 0.494 |
With parents (%) | 15.2 | 14.5 | ||
With husband/wife/partner/cohabitant only (%) | 12.6 | 20.4 | ||
With husband/wife/partner/cohabitant and children (%) | 9.9 | 9.9 | ||
With children only | 2.6 | 1.3 | ||
Shifting conditions (%) | 28.5 | 24.3 | ||
Other (%) | 5.3 | 2.6 | ||
Substance use and dependence | ||||
Used cannabis every week in the past 6 months (%) | 100.0 | 100.0 | ||
Cannabis use disorder according to DSM-5 (%) | 100.0 | 100.0 | ||
Used other illicit drugs (%) | 85.4 | 84.9 | χ2(1) = 0.019 | 0.891 |
Hazardous alcohol use (%) | 16.6 | 13.2 | χ2(1) = 0.692 | 0.406 |
Help-seeking | ||||
Sought professional help/treatment for cannabis use in the past 12 months (%) | 14.6 | 13.2 | χ2(1) = 0.126 | 0.722 |
Talked to relatives or friends about reducing or ending cannabis use in the past 12 months (%) | 79.5 | 78.3 | χ2(1) = 0.063 | 0.801 |
Motivation | ||||
Motivation to change cannabis use, mean score on a visual analog scale (VAS) 0–100 (sd) | 73.5 (25.5) | 74.2 (24.5) | t(301) = 0.232 | 0.816 |
VAS score: 0–25 (%) | 6.6 | 6.6 | χ2(3) = 7.667 | 0.053 |
VAS score: 26–50 (%) | 13.2 | 9.2 | ||
VAS score: 51–75 (%) | 19.9 | 33.6 | ||
VAS score: 76–100 (%) | 60.3 | 50.7 | ||
Anxiety and depression | ||||
Moderate or severe anxiety GAD-7 ≥ 10 (%) | 41.7 | 39.5 | χ2(1) = 0.159 | 0.690 |
Moderate or depression MADRS ≥ 20 (%) | 62.3 | 58.6 | χ2(1) = 0.433 | 0.510 |