Table 3 Baseline characteristics of children from intervention- and control schools: socio-demographics and outcome measures
0-4thgrade | 5-8thgrade | |||||
|---|---|---|---|---|---|---|
Control group | Intervention group I | Intervention group II | Control group | Intervention group I | Intervention group II | |
Background factors | ||||||
Number of schools | 15 | 14 | 14 | 15 | 14 | 14 |
Number of school classes with responding children/invited number of school classes | 74/75 | 68/70 | 70 | 59/60 | 55/56 | 53/54 |
Number of responding school children | 1,525 | 1,392 | 1,430 | 1,146 | 1,035 | 997 |
Socio-demographics | ||||||
Boys (%) | 50.4 | 49.2 | 49.9 | 49.7 | 47.6 | 49.9 |
Live with both parents (%) | 75.7 | 72.3 | 72.1 | 66.8 | 65.7 | 64.3 |
Live with siblings (%) | 91.2 | 92.0 | 91.8 | 90.2 | 89.0 | 89.7 |
Ethnic Danish (%) | - | - | - | 87.6 | 89.5 | 91.1 |
Family socioeconomic position (SEP) (%) | ||||||
High (I and II) | - | - | - | 41.8 | 45.1 | 38.9 |
Medium (III and IV) | - | - | - | 42.8 | 40.6 | 48.1 |
Low (V and VII) | - | - | - | 15.5 | 14.3 | 13.0 |
Primary outcome | ||||||
Illness-related absenteeism in the last week (%) | 19.7 | 19.9 | 19.1 | 14.0 | 17.0 | 14.8 |
Secondary outcomes | ||||||
Use soap every time they wash hands (%) | 83.7 | 83.4 | 80.6 | 60.8 | 62.3 | 56.0 |
Never/rarely forget to wash hands after toilet use (%) | 64.2 | 62.7 | 63.5 | 83.8 | 85.0 | 82.1 |
Wash hands before lunch every day (%) | 34.2 | 38.2 | 31.4 | 26.5 | 22.8 | 24.3 |
Never use the school toilet (%) | 8.4 | 7.4 | 7.2 | 21.9 | 21.8 | 19.1 |
Happy about their school (%) | 68.6 | 67.0 | 66.3 | 73.1 | 77.2 | 69.0 |