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Table 1 Descriptive statistics for each outcome measure at baseline and post-intervention

From: The Effect of a School-Based Intervention on Physical Activity and Well-Being: a Non-Randomised Controlled Trial with Children of Low Socio-Economic Status

Variables Intervention
M (n), SD
Control
M (n), SD
Accelerometer - MVPA
 Baseline 21.06(67) 6.24 23.48 (51) 7.48
 Post 24.91 (46) 7.48* 19.50 (26) 8.20
K-27 total
 Baseline 115.12 (76) 16.59 110.78 (56) 15.37
 Post 118.88 (76) 15.11 112.40 (56) 14.51
Autonomy support
 Baseline 31.02 (76) 6.03 28.90 (56) 6.48
 Post 33.68 (76) 7.24* 28.51 (56) 6.20
Autonomy satisfaction
 Baseline 16.99 (76) 4.87 17.62 (56) 4.51
 Post 19.14 (76) 4.03* 17.85 (56) 4.20
Competence satisfaction
 Baseline 18.27 (76) 5.25 18.47 (56) 4.53
 Post 19.30 (76) 4.15 18.66 (56) 4.40
Relatedness satisfaction
 Baseline 23.38 (76) 5.53 22.12 (56) 6.38
 Post 24.59 (76) 5.68 22.31 (56) 6.55
Total needs satisfaction
 Baseline 58.04 (76) 13.44 58.22 (56) 12.82
 Post 63.05 (76) 11.68 58.82 (56) 11.58
Intrinsic motivation
 Baseline 12.53 (76) 3.34 12.23 (56) 3.98
 Post 13.47 (76) 2.85 13.01 (56) 2.97
Identified regulation
 Baseline 11.31 (76) 3.41 10.81 (56) 3.17
 Post 12.54 (76) 2.91 11.55 (56) 2.98
Introjected regulation
 Baseline 8.78 (76) 3.34 8.88 (56) 3.58
 Post 9.35 (76) 3.71 9.10 (56) .3.74
External regulation
 Baseline 7.52 (76) 3.46 7.37 (56) 3.12
 Post 6.80 (76) 3.56 6.32 (56) 2.91
  1. M mean, n sample size, SD standard deviation, K-27 Kidscreen-27
  2. *Significant interaction effect for group and time from baseline to post-intervention