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 Adolescent: DISC [19], Parent: CIDI [20].
Cannabis use disorder: symptoms of abuse and dependence T1 Adolescent: DISC [8,19], Parent: CIDI [20].
Other substance use disorder: symptoms of abuse and dependence T1 Adolescent: DISC [8,19], Parent: CIDI [20].
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

Huizink et al.

Huizink et al. BMC Public Health 2012 12:350   doi:10.1186/1471-2458-12-350

Open Data