Table 1 Background characteristics of children in the two samples
From: Continuous admission to primary school and mental health problems
Cross-section (n = 4480) | RCT (n = 7737) | |
|---|---|---|
Males | 2214 (49.4%) | 3947 (51.0%) |
Ages (grades) * | ||
- 5–6 years (grade 2) | 1435 (32.0%) | 7737 (100%) |
- 7–12 years (grades 4–8) | 1701 (38.0%) | - |
- 13–15 years (classes 1–3, i.e. secondary) | 1344 (30.0%) | - |
Both parents lowly educated ** | 1514 (33.8%) | 1627 (21.3%) |
No parent working 17 hours/week or over | 331 (7.4%) | 305 (3.9%) ** |
One parent family | 372 (8.3%) | 499 (6.4%) |
No of siblings | ||
- no | 341 (7.6%) | 1160 (15.0%) |
- 1 sibling | 2150 (48.0%) | 4084 (52.8%) |
- more than 1 sibling | 1989 (44.4%) | 2493 (32.2%) |
Outcomes | ||
- CBCL | 4171 (93.1%) | 7737 (100%) |
- CHP assessment | 4480 (100%) | 7737 (100%) |