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Table 2 Physical activity (mcpm) at baseline and post-intervention and intervention effect on physical activity

From: Exploring mediators of accelerometer assessed physical activity in young adolescents in the HEalth In Adolescents study – a group randomized controlled trial

  Baseline   Post-intervention Intervention effect
  Control Intervention   Control Intervention   
  (n = 485) (n = 215)   (n = 485) (n = 215)   
Mcpm Mean (SD) Mean (SD) p Mean (SD) Mean (SD) c-coefficient p
(95% CI)
All 510.7 (146.0) 473.5 (145.8) .002 563.8 (255.3) 569.8 (251.6) 49.9 (- 0.4; 100.1) .05
Girls 478.3 (127.9) 463.7 (151.3) .32 506.3 (229.6) 534.9 (234.4) 64.7 (5.1; 124.4) .03
Boys 549.1 (156.8) 488.1 (136.7) .002 631.9 (267.6) 622.2 (268.3) 31.7 (- 35.2; 98.6) .35
Normal weight 517.2 (142.5) 482.4 (145.9) .007 564.7 (251.7) 584.5 (248.5) 62.3 (9.8; 114.8) .02
Overweight 468.2 (160.0) 406.2 (114.8) .08 566.3 (282.5) 431.9 (173.0) - 96.1 (- 211.3; 19.0) .12
  1. Mcpm = mean count per minute.
  2. Analyses were adjusted for school clustering, gender, pubertal status, months for measuring physical activity, weight category and parental education.
  3. Significant results in bold.