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Table 2 Baseline values for the outcome variables, potential mediators and covariates of the study groups

From: What are the working mechanisms of a web-based workplace sitting intervention targeting psychosocial factors and action planning?

  Web-based computer-tailored intervention (n = 78) Comparison group (n = 135)
Outcome variable
 Workplace sitting: mean ± SD minutes/day 339.1 ± 125.1 284.6 ± 61.3***
Potential mediators
 Knowledge: mean ± SD 2.5 ± 0.3 2.6 ± 0.4
 Attitudes: mean ± SD 3.9 ± 0.5 3.9 ± 0.6
 Self-efficacy: mean ± SD 3.6 ± 0.8 3.6 ± 0.8
 Social support: mean ± SD 1.9 ± 1.0 1.8 ± 1.0
 Intention: n (%) intending to change 77/78 (98.7) 135/135 (100)
 Action planning: n (%) completed 54/78 (69.2) /
Covariates
 Age: mean ± SD years 40.4 ± 8.7 40.4 ± 9.7
 Gender: n (%) men 26/78 (33.3) 42/135 (31.1)
 Education: n (%) high school /university 59/78 (75.6) 116/135 (85.9)
 Hours at work per day: mean ± SD 8.0 ± 0.9 8.0 ± 0.6
 Employment duration: n (%) > 5 years 56/78 (71.8) 93/135 (68.9)
 BMI: mean ± SD kg/m2 24.3 ± 3.1 23.7 ± 3.5
 Walking: mean ± SD minutes/day 23.6 ± 31.9 25.3 ± 23.5
 Moderate-intensity PA: mean ± SD minutes/day 31.0 ± 33.8 23.7 ± 24.8
 Vigorous-intensity PA: mean ± SD minutes/day 10.4 ± 14.5 13.6 ± 19.7
  1. SD: standard deviation, PA physical activity
  2. *** p < 0.001
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