Class characteristics | Total population | EOtC group | Comparison group | Difference EOtC vs comparison | p, EOtC vs comparison | |
---|---|---|---|---|---|---|
Number of schools | 10 | 10 | 10 | 0 | - | |
Number of classes | 21 | 11 | 10 | 1 | - | |
EOtC days | 0.81 ± 0.79 | 1.36 ± 0.64 | 0.20 ± 0.40 | 1.16 | 0.000 ( n = 21) a | |
EOtC minutes | 169 ± 159 | 306 ± 89 | 18 ± 36 | 288 | 0.000 ( n = 21) a | |
Classes with ≥150 min EOtC | 11 of 21 (52%) | 11 of 11 (100%) | 0 of 10 (0%) | 11 | 0.000 ( n = 21) b | |
Classes with ≥300 min EOtC | 5 of 21 (24%) | 5 of 11 (45%) | 0 of 10 (0%) | 5 | 0.015 ( n = 21) b | |
Number of participants | 430 | 228 | 202 | 26 | - | |
Participants per class | 20.5 ± 3.1 | 20.7 ± 3.3 | 20.2 ± 2.9 | 0.5 | 0.714 (n = 21)a | |
Participant characteristics | Total population, included participants | Total population, excluded participants | p, total included vs excluded | EOtC group, included participants | Comparison group, included participants | p, included EOtC vs included comparison |
Proportion participants in group (%) | 258 (60.0) | 172 (40.0) | - | 143 (62.7) | 115 (56.9) | - |
Proportion participants in EOtC (%) | 143 of 258 (55.4) | 87 of 172 (50.6) | 0.407 (n = 430)b | - | - | - |
Participants per class | 12.3 ± 4.3 | 8.2 ± 4.0 | - | 13.0 ± 4.4 | 11.5 ± 4.2 | - |
Age, years | 10.62 ± 0.95 | 10.88 ± 1.17 | 0.014 ( n = 373) a | 10.55 ± 1.02 | 10.69 ± 0.88 | 0.298 (n = 222)a |
% girls | 61.6 | 43.6 | 0.000 ( n = 430) b | 65.0 | 57.4 | 0.152 (n = 258)b |
BMI, kg/m^2 | 17.3 ± 2.5 | 18.1 ± 3.1 | 0.001 ( n = 429) a | 17.0 ± 2.2 | 17.5 ± 2.8 | 0.166 (n = 258)a |
BMI percentile* | 45.3 ± 27.5 | 53.6 ± 28.2 | 0.006 ( n = 373) a | 44.6 ± 25.8 | 46.1 ± 29.4 | 0.571 (n = 222)a |
% overweight/obese | 11.3 | 17.9 | 0.034 ( n = 373) b | 9.8 | 13.1 | 0.366 (n = 222)b |