Table 2

Comparison of sedentary behaviour and physical activity among four occupational activity types in full-time workers

AllOccupational activity type
Mean (SD)Marginal mean (95% CI)§
SittingStandingWalkingPhysical labour
Wear time (hours)
 All day15.3 (1.1)15.2 (15.0 to 15.4)15.3 (14.9 to 15.8)15.2 (14.7 to 15.6)16.0 (15.0 to 16.9)
 Workday15.6 (1.8)15.5 (15.3 to 15.8)15.8 (15.2 to 16.3)15.7 (15.2 to 16.2)16.6 (15.6 to 17.7)
   Work hours9.4 (1.8)9.3 (9.1 to 9.5)9.7 (9.2 to 10.3)9.7 (9.2 to 10.2)9.8 (8.8 to 10.9)
   Non-work hours6.2 (2.3)6.3 (6.0 to 6.5)6.0 (5.4 to 6.6)6.0 (5.4 to 6.6)6.8 (5.5 to 8.1)
  Non-workday14.3 (2.0)14.4 (14.1 to 14.7)14.3 (13.7 to 14.9)13.9 (13.3 to 14.4)14.4 (13.2 to 15.6)
Total sedentary (% wear time)
 All day57.5 (12.7)62.2 (61.0 to 63.5)45.1 (42.2 to 47.9)*** 49.1 (46.4 to 51.9)*** 43.5 (37.7 to 49.3)***
 Workday56.8 (15.3)63.2 (61.8 to 64.5)40.6 (37.4 to 43.7)*** 45.5 (42.5 to 48.5)*** 36.8 (30.4 to 43.2)***
   Work hours58.6 (21.9)68.5 (66.7 to 70.3)34.6 (30.4 to 38.7)*** 40.0 (36.0 to 44.0)*** 26.5 (18.1 to 34.9)***‡
   Non-work hours53.3 (11.9)54.0 (52.4 to 55.4)49.8 (46.3 to 53.3)*52.5 (49.2 to 55.9)56.5 (49.4 to 63.6)
  Non-workday59.1 (13.8)59.8 (58.1 to 61.6)56.3 (52.3 to 60.4)58.2 (54.3 to 62.1)60.3 (52.0 to 68.5)
Prolonged sedentary bouts (% wear time)
 All day19.1 (11.0)22.1 (20.8 to 23.4)14.8 (11.8 to 17.7)*** 15.4 (12.6 to 18.3)*** 15.5 (9.4 to 21.5)
 Workday18.2 (12.5)21.0 (19.5 to 22.4)11.7 (8.4 to 15.0)*** 12.4 (9.2 to 15.5)*** 12.0 (5.3 to 18.7)
   Work hours18.6 (18.2)23.1 (21.1 to 25.2)8.5 (3.8 to 13.2)*** 9.0 (4.4 to 13.5)*** 7.0 (−2.5 to 16.6)**
   Non-work hours16.7 (11.1)16.6 (15.2 to 18.0)16.2 (13.0 to 19.5)16.5 (13.4 to 19.7)20.5 (13.9 to 27.0)
  Non-workday24.1 (15.1)24.8 (22.9 to 26.8)22.3 (17.9 to 26.7)23.1 (18.8 to 27.4)24.1 (15.2 to 33.1)
Breaks per sedentary hour
 All day9.4 (3.1)8.7 (8.4 to 9.1)11.6 (10.8 to 12.4)*** 10.8 (10.1 to 11.6)*** 10.3 (8.7 to 11.9)
 Workday9.8 (3.6)8.8 (8.4 to 9.1)12.7 (11.8 to 13.6)*** 11.7 (10.8 to 12.6)*** 10.9 (9.1 to 12.7)
   Work hours10.8 (5.7)8.8 (8.2 to 9.4)16.2 (14.9 to 17.5)*** 14.7 (13.4 to 16.0)*** 13.3 (10.6 to 16.0)**
   Non-work hours10.0 (3.7)10.0 (9.5 to 10.5)10.5 (9.4 to 11.6)10.0 (8.9 to 11.0)9.7 (7.4 to 11.9)
  Non-workday8.6 (3.7)8.6 (8.1 to 9.0)8.9 (7.6 to 10.0)8.7 (7.6 to 9.7)8.8 (6.5 to 11.0)
LPA (% wear time)
 All day34.8 (11.0)31.3 (30.2 to 32.3)44.5 (42.1 to 47.0)*** 40.8 (38.4 to 43.1)*** 44.3 (39.3 to 49.2)***
 Workday35.1 (13.1)30.3 (29.1 to 31.5)48.1 (45.4 to 50.8)*** 42.9 (40.3 to 45.6)***48.2 (42.6 to 53.7)***
   Work hours34.6 (17.7)27.4 (25.9 to 29.0)53.3 (49.7 to 56.9)*** 47.1 (43.6 to 50.6)*** 54.9 (47.6 to 62.1)***
   Non-work hours36.2 (11.3)35.3 (33.9 to 36.6)40.4 (37.3 to 43.5)* 37.7 (34.7 to 40.7)34.7 (28.4 to 41.0)
  Non-workday34.2 (11.9)33.7 (32.2 to 35.2)35.6 (32.2 to 39.1)35.3 (32.0 to 38.6)34.6 (27.6 to 41.5)
MVPA (% wear time)
 All day7.7 (4.5)6.5 (6.0 to 7.1)10.4 (9.1 to 11.6)*** 10.1 (8.9 to 11.3)*** 12.2 (9.7 to 14.7)***
 Workday8.2 (5.4)6.5 (5.9 to 7.2)11.3 (9.9 to 12.8)*** 11.5 (10.2 to 12.9)*** 15.0 (12.1 to 17.9)***
   Work hours6.8 (7.5)4.1 (3.3 to 4.9)12.2 (10.3 to 14.0)*** 12.9 (11.1 to 14.6)*** 18.6 (14.9 to 22.4)***†‡
   Non-work hours10.5 (6.8)10.8 (10.0 to 11.6)9.8 (8.0 to 11.6)9.8 (8.0 to 11.6)8.8 (5.1 to 12.5)
  Non-workday6.7 (4.6)6.5 (5.9 to 7.1)8.0 (6.6 to 9.3)6.5 (5.2 to 7.8)5.2 (2.4 to 7.9)
  • Asterisks indicate significant difference from the sitting: *p<0.05, **p<0.01, ***p<0.001.

  • Dagger indicates significant difference from the standing: †p<0.05.

  • Double dagger indicates significant difference from the walking: ‡p<0.05.

  • §Marginal mean and  95% CI from analysis of covariance adjusted for covariates including gender, age, body mass index , residence area, educational level, marital status.