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Table 2 Description of participants attending the Active Play in ASP study

From: Active play in ASP –a matched-pair cluster-randomized trial investigating the effectiveness of an intervention in after-school programs for supporting children’s physical activity

 Consenting childrena
N = 456
Participating childrenb
Baseline (T0)
N = 426
Follow-up 1 (T1)
N = 383
Follow-up 2 (T2)
N = 313
 Intervention
N = 212
Control
N = 214
Intervention
N = 199
Control
N = 184
Intervention
N = 142
Control
N = 171
Gender, n (%)
 Girls218 (47.8)97 (45.8)105 (49.1)99 (49.7)91 (49.5)70 (49.3)93 (54.4)
 Boys238 (52.2)115 (54.2)109 (50.9)100 (50.3)93 (50.5)72 (50.7)78 (45.6)
BMI, n (%)
 BMI < 25350 (76.8)182 (85.8)168 (78.5)167 (83.9)139 (75.5)115 (81.0)127 (74.3)
 BMI ≥2568 (14.9)28 (13.2)40 (18.7)28 (14.1)27 (14.7)26 (18.3)31 (18.1)
Missing38 (8.3)2 (0.9)6 (2.8)4 (2.0)18 (9.8)1 (0.7)13 (7.6)
  1. aEnrolled in the study following parental consent
  2. bParticipating children providing valid accelerometer data at each data collection period