Table 2 Main outcomes of the JOiN study assessed at T1 and/or T2
Behaviour | Data-wave | Instrument |
|---|---|---|
Alcohol use disorder: symptoms of abuse and dependence | T1 | |
Cannabis use disorder: symptoms of abuse and dependence | T1 | |
Other substance use disorder: symptoms of abuse and dependence | T1 | |
Ever use of nicotine, alcohol, cannabis or other drugs | T1, T2 | Self-reported Substance Use Questionnaire |
Age of onset of nicotine, alcohol, cannabis or other drugs | T1, T2 | Self-reported Substance Use Questionnaire |
Frequency and quantity of use of nicotine, alcohol, cannabis or other drug use | T1, T2 | Self-reported Substance Use Questionnaire |
Level of drunkenness or being stoned last time alcohol or cannabis were used | T1, T2 | Self-reported Substance Use Questionnaire |