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Table 2 Intervention effects on objectively measured work time and total time activity variables, in minutes, at 3 and 12 months

From: Efficacy of the ‘Stand and Move at Work’ multicomponent workplace intervention to reduce sedentary time and improve cardiometabolic risk: a group randomized clinical trial

 

Time

Stand+

Move+

Difference (95% CI)

ICC

Adjusted Mean Change (95% CI)

Adjusted Mean Change (95% CI)

Primary Outcomes

 Work periods (n = 546)

  Sitting

3 M

−63.8 (−76.8,-50.7)

3.7 (−10.0, 17.4)

− 67.5 (−86.5,-48.4)

0.07

12 M

−52.4 (− 62.9,-42.0)

6.8 (−4.3, 17.8)

−59.2 (− 74.6,-43.8)

0.03

  LPA

3 M

−0.2 (− 1.6,1.2)

0.3 (− 1.2,1.9)

− 0.5 (−2.6, 1.6)

0.01

12 M

2.0 (− 0.1,4.2)

− 0.2 (− 2.4,2.1)

2.2 (− 0.9,5.4)

0.06

Secondary Outcomes

 Work periods (n = 546)

  Standing

3 M

63.3 (50.7,75.8)

−4.0 (−17.1,9.1)

67.3 (48.9,85.6)

0.07

12 M

49.4 (37.9,60.9)

−6.3 (−18.2,5.7)

55.7 (38.9,72.4)

0.05

  MVPA

3 M

0.7 (0.1,1.3)

−0.2 (−0.8, 0.5)

0.9 (− 0.0, 1.8)

0.03

12 M

1.0 (0.3, 1.6)

−0.4 (−1.1,0.3)

1.3 (0.4,2.3)

0.02

  LPA + MVPA

3 M

0.5 (−1.3,2.4)

0.2 (− 1.8,2.2)

0.3 (−2.4,3.1)

0.03

12 M

3.0 (0.7,5.4)

−0.5 (−3.0, 1.9)

3.6 (0.1,7.0)

0.05

  Prolonged sitting (> 30 min)

3 M

− 32.3 (−44.9,-19.8)

7.9 (−5.2,21.0)

− 40.3 (− 58.6, − 22.0)

0.06

12 M

− 26.8 (− 38.2, − 15.5)

19.0 (7.1, 30.8)

−45.8 (−62.4,-29.2)

0.04

  Sit-stand transitionsa

3 M

0.7 (0.1,1.2)

0.0 (− 0.6,0.6)

0.7 (− 0.1,1.5)

0.03

12 M

0.8 (0.1,1.5)

−0.1 (− 0.7, 0.9)

0.7 (− 0.4,1.8)

0.01

 Total time (n = 487)

  Sitting

3 M

−49.1 (−66.6,-31.6)

6.3 (−11.7,24.4)

−55.4 (−80.7,-30.2)

0.10

12 M

−38.8 (−49.4,-28.2)

8.9 (−2.6,20.4)

− 47.7 (− 63.6,-31.7)

0.00

  Standing

3 M

50.9 (35.5,66.3)

−4.5 (−20.4,11.4)

55.4 (33.1,77.6)

0.10

12 M

39.0 (28.5,49.6)

−5.8 (−17.0,5.5)

44.8 (29.1, 60.5)

0.01

  LPA

3 M

−2.0 (−5.9,1.9)

−1.5 (− 5.5,2.5)

−0.5 (−6.2,5.1)

0.09

12 M

−0.4 (−4.6,3.6)

−3.0 (−7.3, 1.2)

2.6 (−3.4,8.5)

0.07

  MVPA

3 M

0.2 (−0.7,1.1)

−0.4 (−1.4,0.5)

0.6 (− 0.7,2.0)

0.05

12 M

0.5 (−0.2,1.2)

− 0.2 (− 0.9,0.6)

0.7 (− 0.4, 1.8)

0.00

  LPA + MVPA

3 M

−1.8 (−6.4,2.8)

− 1.9 (− 6.7,2.9)

0.1 (− 6.6, 6.8)

0.10

12 M

0.1 (−4.4,4.6)

−3.2 (− 7.9,1.5)

3.3 (− 3.3,9.8)

0.07

  Prolonged sitting (> 30 min)

3 M

−26.8 (− 44.6,-9.0)

9.0 (−9.4,27.5)

−35.9 (− 61.7,-10.1)

0.09

12 M

−22.2 (−34.7,-9.8)

19.2 (5.9,32.5)

−41.4 (− 60.0,-22.9)

0.01

  Sit-stand transitionsa

3 M

0.2 (− 0.1,0.5)

−0.2 (− 0.5,0.2)

0.4 (− 0.1,0.8)

0.11

12 M

0.2 (−0.1,0.5)

− 0.3 (− 0.6,-0.0)

0.5 (− 0.1,0.9)

0.04

  1. 3 M 3 months, 12 M 12 months, LPA Light-intensity physical activity, MVPA Moderate-vigorous physical activity. Work period outcomes have been standardized to an 8 h workday (minutes). aSit-stand transitions are expressed as number of transitions per sedentary hour