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Table 4 Minutes distributed at intensity levels in the HEIA intervention- and control group, and intervention effect*

From: Intervention effects on physical activity: the HEIA study - a cluster randomized controlled trial

 

   BASELINE

  POST-INTERVENTION

  INTERVENTION EFFECT*

 

Control

Intervention

Control

Intervention

  

Minutes in:

Mean (SE)

Mean (SE)

Mean (SE)

Mean (SE)

Estimate (CI)

p

All (n = 700):

Sedentary activity

495 (3.0)

496 (4.6)

519 (3.4)

506 (5.2)**

−14 (−33, 6)

0.16

Light activity

229 (1.8)

224 (2.9)

202 (2.0)

195 (3.1)**

−5 (−15, 5)

0.33

MVPA

68 (1.0)

63 (1.6)**

71 (1.3)

67 (2.0)

2 (−3, 7)

0.45

Girls (n = 392):

Sedentary activity

499 (4.0)

496 (6.0)

533 (4.3)

510 (6.1)

−22 (−43, -2)

0.03

Light activity

229 (2.3)

221 (3.5)

201 (2.6)

193 (3.8)

−3 (−14, 9)

0.63

MVPA

62 (1.2)

60 (1.8)

62 (1.4)

62 (2.0)

5 (−2, 12)

0.13

Boys (n = 308):

Sedentary activity

490 (4.3)

495 (7.3)

502 (5.4)

499 (8.7)

−9 (−36, 18)

0.50

Light activity

228 (2.9)

228 (4.9)

202 (3.2)

197 (5.1)

7 (−20, 7)

0.33

MVPA

75 (1.7)

68 (2.9)

81 (2.2)

75 (3.5)

1 (−10, 7)

0.77

  1. Intervention group n = 215, control group n = 485. Sedentary activity <100 cpm, Light activity ≥100 < 2000 cpm, MVPA ≥2000 cpm. MVPA: moderate to vigorous physical activity. Mean values are adjusted for accelerometer model at baseline and post intervention. * Effect analyses were adjusted for school clustering, baseline physical activity, gender, pubertal status, accelerometer model, month of measuring physical activity, weight category and parental education. ** Intervention group means significantly lower than control group means, p < 0.05. Test of interaction condition x gender: p = 0.22.