# Table 2 Baseline participant characteristics

Total Baseline population (n = 1194-1348)* Intervention group (n = 574-623)* Control group (n = 633-725)* Difference between intervention and control (p-value)
Gender, No. (%)
Girls 652 (48.4) 307(49.3) 345 (47.4) 38
Boys 696 (51.6) 316 (50.7) 380 (52.6) 64 (p = .54)
Age, mean (SD), y 12.5 (0.63) 12.4 (0.63) 12.5 (0.62) 0.05 (p = .17)
BMI, mean (SD), kg/m 2 18.9 (3.01) 18.9 (3.00) 18.8 (3.03) 0.09 (p = .59)
Weight, mean (SD), kg 47.2 (10.18) 47.2 (10.04) 47.2 (10.31) 0.08 (p = .89)
Height, mean (SD), cm 157.6 (8.37) 157.5 (8.20) 157.7 (8.53) 0.22 (p = .65)
Waist circumference,
mean (SD), cm
69.8 (8.77) 70.1 (8.83) 69.5 (8.71) 0.67 (p = .17)
Physical fitness,
mean (SD), meters
1000.3 (103.47) 1000.6 (103.09) 1000.1 (103.89) 0.52 (p = .93)
Physical activity,
mean (SD), counts/min #
609.3 (241.4) 596.7 (229.6) 620.3 (250.7) 19.4 (p = .09)
1. * n varies due to different sources of data. #Mean counts/min calculated using only the vertical axis.