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Table 2 Behavioural outcomes with adjusted between-group differences and quantitative and qualitative inferencesa

From: Evaluation of sit-stand workstations in an office setting: a randomised controlled trial

 

Intervention (n = 23)

Control (n = 21)

Adjusted change 0 to 4 week (95 % CI)b

Adjusted change 0 to 8 week (95 % CI)b

Probability (%) the true effect is beneficial / trivial / harmful

Qualitative inference (8 week)

(minutes/8-hour workday)

Baseline

4 week

8 week

Baseline

4 week

8 week

Sitting time

385.9 (57.6)

299.2 (93.4)

322.0 (99.3)

387.0 (41.0)

387.5 (78.0)

402.2 (47.9)

−87.6 (−136.8 to −38.3)*

−80.2 (−129.0 to −31.4) *

79/21/0

Benefit likely

Standing time

41.1 (35.0)

141.1 (98.0)

115.4 (111.6)

42.5 (26.0)

61.0 (76.2)

43.7 (50.2)

82.2 (36.5 to 127.8)*

72.9 (21.2 to 124.6)*

69/31/0

Benefit possible

Walking time

53.0 (41.2)

39.7 (33.4)

42.6 (42.3)

50.5 (24.2)

31.4 (24.4)

34.0 (29.1)

7.3 (−8.7 to 23.2)

7.1 (−12.1 to 26.3)

38/58/4

Possibly trivial

  1. aBaseline, 4- and 8-week values are unadjusted mean (SD)
  2. bChange scores and 95 % CIs are the differences between groups (relative to control) after adjustment by ANCOVA for the baseline value
  3. *Significant (p <0.05)