Table 2.
Summary of data collected on the participant (subject), his/her teacher (teacher) and his/her family (family, mother, father) at the eight measurements (T1–T8) involving the whole representative sample and sample of children exhibiting disruptive behaviours in the Quebec Longitudinal Study of Kindergarten Children
| Approximate age (years) | 6 | 7 | 8 | 10 | 11 | 12 | 15 | 22 |
|---|---|---|---|---|---|---|---|---|
| Measurement occasion | T1 | T2 | T3 | T4 | T5 | T6 | T7 | T8 |
| Sample size | 3009 | 2402 | 2624 | 2685 | 2708 | 2585 | 1694 | 1699 |
| Self-administered questionnaires (informants: P-parent, T-teacher, S-subject) | ||||||||
| Self-Rating Questionnairea (P, T, S) | Subject Family | Subject Family | Subject Family | Subject Family | Subject Family | Subject Family | Subject Family | Subject Family |
| Social Behaviour Questionnaire (P, T) | Subject | Subject | Subject | Subject | Subject | Subject | ||
| Dimensions of Temperament Survey (P) | Subject | Subject | ||||||
| Emotional Climate for Children Questionnaire (P) | Subject | |||||||
| Teaching attitude (T) | Teacher | Teacher | ||||||
| Pubertal Development Scale (P, S) | Subject | Subject | Subject | Subject | ||||
| Interviews | ||||||||
| Calendar of life events and habits | Subject | |||||||
| Family history | Family | |||||||
| Diagnostic Interview Schedule for Adults | Mother Father | Subject | ||||||
| Diagnostic Interview Schedule for Children | Subject | |||||||
| Personalityb | Subject | |||||||
| Suicidal Intent Scale and Scale for Suicidal Ideation | Subject | |||||||
| Administrative data | ||||||||
| Delinquency (juvenile courts, 13–17 years) Judicial records (18–25 years) | Subject | |||||||
| High-school graduation (Quebec Ministry of education) | Subject | |||||||
| Blood sample (subsample, N = 1241) | Subject | |||||||
| Saliva sample (subsample, N = 479) | Subject |
aThe Self-Rating Questionnaire was adapted to the informant and the developmental stage of the child at each wave of data collection. The main information collected concerns:
- • Socio-demographic information, neighbourhood, child care experience before 5 years of age, school environment and progress, activities and jobs.
- • General health, drugs and medical services use, perinatal information, growth, laterality, sleep and nightmares.
- • Alcohol and drug use, gambling, violence, delinquency and legal issues.
- • Professional services use for affective/behavioural disorders, suicide attempts and ideas.
- • Physical and sexual abuse, life events during the previous year.
- • Family, friend and romantic relationships.
bPersonality: Dimensional Assessment of Personality Basic Questionnaire (DAPP-BQ) and Big Five Inventory.