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Table 3 Differential effect in students’ physical activity levels during break time

From: The impact of school uniforms on primary school student’s physical activity at school: outcomes of a cluster randomized controlled trial

  Moderate-vigorous physical activity (MVPA) Counts per minute (cpm) Light physical activity Sedentary activity
Estimatea (95% CI) (p-value)
Girls 0.13 (− 0.61, 0.87) (p = 0.73) 35.07 [− 111.14; 181.28] (p = 0.63) 0.62 [0.15; 1.10] (p = 0.012)* −0.75 [− 1.63; 0.13] (p = 0.09)
Boys 0.50 [− 0.27; 1.28] (p = 0.20) 160.56 [6.99; 314.14] (p = 0.041) 0.38 [− 0.12; 0.88] (p = 0.13) −0.88 [− 1.80; 0.04] (p = 0.06)
All students 0.30 [− 0.23; 0.84] (p = 0.26) 94.16 [−11.86; 200.18] p = 0.08 0.51 [0.16; 0.85] (p < 0.01)* −0.81 [− 1.45; − 0.17] (p = 0.014)*
  1. acontrolling for students socio-economic, school type, geographic location and wear time