Logistic regression models of use of alcohol and illicit drugs as risk factor for mental health problems, adjusted for age and gender
| ASRS inattention OR (95% CI) | ASRS hyperactivity OR (95% CI) | SMFQ OR (95% CI) | SCARED OR (95% CI) | |
|---|---|---|---|---|
| Ever consumed alcohol | 1.83 (1.44 to 2.32) | 1.71 (1.35 to 2.16) | 1.45 (1.17 to 1.78) | 0.79 (0.64 to 0.98) |
| Ever tried illicit drugs | 1.87 (1.50 to 2.32) | 1.74 (1.40 to 2.17) | 1.48 (1.18 to 1.86) | 1.12 (0.86 to 1.46) |
| 90th centile alcohol consumption* | 1.24 (0.94 to 1.63) | 2.30 (1.78 to 2.98) | 1.88 (1.45 to 2.44) | 1.18 (0.86 to 1.62) |
| Intoxication >10† | 1.45 (1.20 to 1.75) | 1.95 (1.62 to 2.35) | 1.18 (0.98 to 1.43) | 0.79 (0.63 to 0.99) |
| CRAFFT-positive (≥2) | 1.97 (1.66 to 2.34) | 2.27 (1.91 to 2.69) | 2.17 (1.84 to 2.55) | 0.99 (0.82 to 1.21) |
Mental health variables analysed collectively. N=9203 (girls n=4995, boys n=4208).
Significant associations in italic.
95 CIs in parentheses.
CRAFFT: screening tool for identification of problematic alcohol and drug use among adolescents.
ASRS: Adult attention-deficit-hyperactivity disorder (ADHD) Self-report Scale, screening inventory for ADHD. ASRS inattention: the inattention subscale of the ASRS (9 items). ASRS hyperactivity: the hyperactivity-impulsivity subscale of the ASRS (nine items).
SMFQ: the short version of the Mood and Feelings Questionnaire, screening inventory for symptoms of depression and depressive disorders.
SCARED: five-item screening inventory for symptoms of anxiety and anxiety disorders.
*Only includes those who have tried alcohol (n=7031).
†Only includes those with valid response on frequency of intoxication (n=9056).