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Table 2 Sedentary time, prolonged sedentary bouts and physical activity of 180 employees during work and outside of work a

From: Prolonged sedentary time and physical activity in workplace and non-work contexts: a cross-sectional study of office, customer service and call centre employees

  All days Work days only
  Adjusted mean (95% CI) p Adjusted mean (95% CI) p
  Non-work days Work days   Non-work hours Work hours  
Number of days 345 758   737 738  
Mean wear time (hrs) 13.7 15.3   6.8 8.6  
% of worn time spent b       
All sedentary 62.9 (61.6, 64.1) 70.4 (69.5, 71.2) <0.001 63.0 (62.2, 63.7) 77.0 (76.3, 77.6) <0.001
Prolonged sedentary ≥20 min bouts 22.9 (21.1, 24.6) 29.6 (28.2, 31.1) <0.001 23.8 (22.7, 24.9) 33.5 (32.1, 34.8) <0.001
 Prolonged sedentary ≥30 min bouts 14.4 (12.9, 16.0) 18.9 (17.6, 20.2) <0.001 15.0 (14.0, 16.1) 21.5 (20.2, 22.7) <0.001
 Light -intensity physical activity 33.1 (31.9, 34.3) 25.0 (24.2, 25.8) <0.001 30.3 (29.7, 31.0) 20.2 (19.6, 20.7) <0.001
Moderate-vigorous physical activity 2.3 (2.1, 2.6) 3.7 (3.4, 4.9) <0.001 4.3 (4.0, 4.7) 1.9 (1.7, 2.0) <0.001
  1. a Table reports marginal mean and 95% CI from linear mixed models that account for repeated measures and adjust for workplace setting (office, customer service, call centre). Data were excluded for days with < 10 hours of wear (excludes n=13 participants).
  2. b Marginal means (95% CI) back-transformed for percentage worn time spent (sedentary [inverse log], in prolonged sedentary bouts of ≥20 minutes or ≥30 minutes, in light-intensity activity [log], and in MVPA (log of [MVPA % +0.001]).
  3. Mean work time = 8.7 hours.