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Table 2 Outcome measures at assessments 1, 2 and 3 for Stand@Work a

From: The effectiveness of sit-stand workstations for changing office workers’ sitting time: results from the Stand@Work randomized controlled trial pilot

Outcome (minutes per day) Assessment 1 Assessment 2 Assessment 3
  N Mean (SD) N Mean (SD) N Mean (SD)
Time at work spent (ActivPAL)b       
Sitting 32 347 (59) 36 364 (73) 36 282 (80)
Standing 32 45 (28) 36 47 (27) 36 128 (69)
Stepping 32 50 (23) 36 54 (31) 36 60 (33)
Time at work spent (OSPAQ)       
Sitting 33 403 (114) 39 374 (152) 38 271 (115)
Standing 33 48 (29) 39 52 (50) 38 156 (76)
Walking 34 56 (40) 39 56 (35) 38 67 (41)
Heavy labour 35 6 (14) 39 8 (16) 38 9 (18)
Time spent sitting on work day (WSQ)       
Transport 31 74 (54) 36 86 (62) 35 84 (53)
At work 31 426 (121) 36 393 (91) 35 305 (121)
Watching TV 31 86 (57) 36 121 (75) 35 95 (46)
Using computer at home 31 57 (66) 36 50 (47) 35 66 (77)
Other leisure activities 31 70 (74) 36 64 (58) 35 77 (60)
Total sitting time 31 712 (161) 36 714 (160) 35 627 (180)
Time spent sitting on non-work day (WSQ)       
Transport 31 68 (60) 36 72 (54) 35 71 (69)
At work 31 41 (103) 36 32 (96) 35 22 (61)
Watching TV 31 128 (75) 36 165 (96) 35 124 (71)
Using computer at home 31 105 (107) 36 91 (74) 35 90 (99)
Other leisure activities 30 240 (165) 36 196 (103) 35 224 (121)
Total sitting time 30 588 (266) 36 557 (187) 35 531 (215)
  1. aExcludes participants with missing covariate values (BMI and age).
  2. bActivPAL analyses involved participants with at least 75% wear time at work, and who worked fulltime with at least 2 days of wear time at work or worked part time with at least 1 day of wear time at work.