Table 1.
Demographic characteristics of the total sample (N = 2464) at baseline (T1).
Table 2.
Sample sizes, year of the data collection, response rate, age and sex of the adolescents.
Fig 1.
Procedure and flow of participants.
Note. T1 = Time 1, T2 = Time 2 etc.
Table 3.
Instruments in the “Youth and Mental Health Study”.
Table 4.
Relevant data sources–national registry data.
Fig 2.
Future plans: Linkage of the Youth and Mental Health Study with national registry data.