Skip to main content

Advertisement

Table 3 Three-month mean changes in activity outcomes, and differences between interventions, adjusting for confounders

From: Evaluating the effectiveness of organisational-level strategies with or without an activity tracker to reduce office workers’ sitting time: a cluster-randomised trial

  Group ORG (n = 87)a Group ORG + Tracker (n = 66)a Between group differencea b(Group ORG + Tracker vs. Group ORG)
Outcome Adjusted mean change (95 % CI) Adjusted mean change (95 % CI) Adjusted mean difference (95 % CI)
Work hours
 Sitting, min/10 h −3.8 min (−17.4, 9.9), p = 0.588 −10.7 min (−26.8, 5.4), p = 0.194 −6.6 min (−35.0, 21.7), p = 0.645
 Prolonged sitting, min/10 h −9.9 min (−29.8, 9.9), p = 0.326 −6.0 min (−33.0, 21.0), p = 0.665 +11.1 min (−27.5, 49.8), p = 0.572
 Time between sitting bouts +0.2 min (−1.2, 1.7), p = 0.761 +0.4 min (−1.3, 2.0), p = 0.642 +0.5 min (−2.9, 3.9), p = 0.763
 Standing, min/10 h +4.9 min (−6.3, 16.2), p = 0.390 +9.4 min (−3.8, 22.5), p = 0.162 +3.4 min (−19.8, 26.6), p = 0.775
 Stepping, min/10 h −1.1 min (−4.9, 2.8), p = 0.580 +1.9 min (−3.4, 7.2), p = 0.483 +4.2 min (−6.0, 14.4), p = 0.420
 Number of steps/10 h −35.5 steps (−231.8, 160.8), p = 0.723 +123.9 steps (−148.6, 396.5), p = 0.372 +227.7 steps (−307.8, 763.2), p = 0.404
Overall hours
 Sitting, min/16 h −14.3 min (−29.6, 0.9), p = 0.066 −7.4 min (−29.8, 14.9), p = 0.513 +1.8 min (−41.9, 45.4), p = 0.937
 Prolonged sitting, min/16 h −7.5 min (−26.9, 12.0), p = 0.450 −2.8 min (−30.1, 24.5), p = 0.841 +6.9 min (−36.0, 49.7), p = 0.753
 Time between sitting bouts +0.2 min (−0.3, 0.8), p = 0.391 +0.7 min (−0.1, 1.4), p = 0.092 +0.9 min (−0.7, 2.4), p = 0.266
 Standing, min/16 h +14.6 min (2.5, 26.8), p= 0.018 +16.0 min (−1.4, 33.4), p = 0.071 +2.1 min (−28.6, 32.8), p = 0.892
 Stepping, min/16 h −0.5 min (−6.6, 5.5), p = 0.860 −6.5 min (−14.9, 1.9), p = 0.131 +1.2 min (−14.4, 16.8), p = 0.876
 Number of steps/16 h −42.3 steps (−330.5, 245.8), p = 0.773 −259.1 steps (−631.6, 113.3), p = 0.172 +60.1 steps (−600.1, 720.4), p = 0.858
  1. Significant changes or differences (p < 0.05) are in bold
  2. aMissing data imputed by chained equations (m = 70 imputations)
  3. bModels adjust for baseline values of the outcome and confounders (see Additional file 5)