Table 2.
Comparison of baseline characteristics by randomised group
| Characteristic | Unit and type of summary measure | Intervention schools, N = 1064 | Control schools, N = 1157 | ||
|---|---|---|---|---|---|
| Number | Mean (SD) or N (%) | Number | Mean (SD) or N (%) | ||
| Age | Mean (SD) years | 1024 | 9.5 (0.3) | 1099 | 9.5 (0.3) |
| Physical activity self-efficacy | Mean (SD) | 1017 | 96.0 (15.3) | 1085 | 95.3 (16.0) |
| Fruit & vegetable self-efficacy | Mean (SD) | 1016 | 87.5 (15.4) | 1079 | 85.7 (17.7) |
| Perceived maternal logistic support for physical activity | Mean (SD) | 989 | 9.2 (2.4) | 1065 | 9.1 (2.4) |
| Perceived paternal logistic support for physical activity | Mean (SD) | 931 | 9.0 (2.4) | 1002 | 8.8 (2.6) |
| Perceived maternal modelling of physical activity | Mean (SD) | 991 | 14.3 (3.8) | 1069 | 14.3 (4.1) |
| Perceived paternal modelling of physical activity | Mean (SD) | 934 | 15.2 (3.7) | 1010 | 15.0 (3.9) |
| Perceived maternal limitation of sedentary behaviour | Mean (SD) | 989 | 11.3 (3.5) | 1067 | 11.0 (3.6) |
| Perceived paternal limitation of sedentary behaviour | Mean (SD) | 930 | 10.8 (3.5) | 1003 | 10.4 (3.6) |
| Perceived parental modelling of fruit and vegetable consumption | Mean (SD) | 1013 | 33.5 (8.0) | 1078 | 33.0 (8.5) |
| Categorical variables | |||||
| Gender | N (%) female | 520 | 49 % | 608 | 52 % |
| School participates in other health promoting activity | N (%) yes | 800 | 75 % | 711 | 61 % |
| School deprivation score | N (%) low | 315 | 30 % | 460 | 40 % |
| N (%) medium | 368 | 35 % | 345 | 30 % | |
| N (%) high | 381 | 36 % | 352 | 30 % | |
| Physical activity self-efficacy | N (%) high level item non-response | 13 | 1 % | 13 | 1 % |
| Fruit & vegetable self-efficacy | N (%) high level item non-response | 9 | 1 % | 12 | 1 % |
| Perceived maternal logistic support for physical activity | N (%) high level item non-response | 58 | 5 % | 65 | 6 % |
| Perceived paternal logistic support for physical activity | N (%) high level item non-response | 99 | 9 % | 113 | 10 % |
| Perceived maternal modelling of physical activity | N (%) high level item non-response | 74 | 7 % | 75 | 6 % |
| Perceived paternal modelling of physical activity | N (%) high level item non-response | 117 | 11 % | 132 | 11 % |
| Perceived maternal limitation of sedentary behaviour | N (%) high level item non-response | 58 | 5 % | 59 | 5 % |
| Perceived paternal limitation of sedentary behaviour | N (%) high level item non-response | 107 | 10 % | 118 | 10 % |
| Perceived parental modelling of fruit and vegetable consumption | N (%) high level item non-response | 11 | 1 % | 20 | 2 % |
Note some % within categories do not sum to exactly 100 because of rounding