Supplemental Digital Content 3. Baseline characteristics of those included in (n=83), and excluded from analyses (n=70).
Included participants Excluded participants
n=83 a n=70 b
Sociodemographics
Male 46% (38) 64% (45)
Age, years 38.6±8.0 39.5±7.9
University education 84% (70) 84% (51)
Job category
Team or senior leader 16% (13) 17% (12)
Managerial staff 42% (35) 64% (45)
General staff 42% (35) 19% (13)
BMI category
Normal or underweight 53% (44) 43% (30)
Overweight or obese 23% (19) 36% (25)
Unknown BMI 24% (20) 21% (15)
Musculoskeletal problems
Upper body problems 72% (60) 48% (25)
Back problems 63% (52) 46% (24)
Lower extremity problems 37% (31) 25% (13)
Mental health-related quality of life
Very low (0 to <35) 24% (20) 15% (7)
Low (35 to <50) 31% (25) 50% (23)
High (50 to 100) 45% (37) 35% (16)
Activity variables Work hours
Sitting (min/10h workday) 451.6±54.9 438.7±61.8
Prolonged sitting (min/10h workday) 257.7±90.9 239.7±76.0
Standing (min/10h workday) 100.7±43.7 111.3±56.1
Stepping (min/10h workday) 47.7±16.5 50.0±15.4
Overall hours
Sitting (min/16h day) 625.5±67.7 617.8±70.6
Prolonged sitting (min/16h day) 339.4±98.8 310.9±82.6
Standing (min/16h day) 222.1±55.1 227.0±60.4
Stepping (min/16h day) 112.4±26.3 115.2±29.8
Baseline strategy use c
Lunch away from desk 66% (55) 76% (38)
Standing using telephone 54% (45) 66% (33)
This table only includes: baseline sociodemographics; work hour and overall activity; and, characteristics different between included and excluded participants by ≥10%. Additional baseline characteristics considered but not different by this criteria and not presented in the table are: smoking status (yes/no), weekday workhours per day, job performance score, job control score, work satisfaction score, supervisor relations score, stress score, physical health- related quality of life score, and other baseline strategy use variables listed in Table 1.
Data are % (n) or mean±SD.
a All n=83 (sex, age, education, job category, BMI, musculoskeletal items, work activity data, activity data, strategy use); n=82 (mental health-related quality of life)
b All n=70 (sex, job category and BMI); n=60 (age); n=61 (education); n=52 (musculoskeletal items); n=63 (work activity data); n=66 (activity data); n=50 (strategy use); n=46 (mental health-related quality of life)
c Strategy use represents at least sometimes use in the past month