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Table 4 Oxygen consumption of walking and sitting behaviors during sitting bouts with and without a walking break (mean ± SE).

From: Energy expenditure of interruptions to sedentary behavior

  Bout 1 Bout 2 Bout 3 Bout 4
Total Gross O2 consumption ml/kg/30 min ml/kg/30 min ml/kg/30 min ml/kg/30 min
   All 113.4 ± 4.0 b, c, d 122.4 ± 3. 9 a, c, d 132.9 ± 3.3 a, b, d 156.2 ± 3.8 a, b, c
   Females 112.2 ± 5.3 b, c, d 124.7 ± 5.8 a, d 130.8 ± 5.0 a, d 155.9 ± 5.9 a, b, c
   Males 114.5 ± 6.1 b, c, d 120.1 ± 5.2 a, c, d 135.0 ± 4.5 a, b, d 156.4 ± 4.7 a, b, c
Total Net O2 consumption ml/kg/30 min ml/kg/30 min ml/kg/30 min ml/kg/30 min
   All 19. 8 ± 3.4 b, c, d 28.8 ± 3.3 a, c, d 39.3 ± 2.9 a, b, d 62.6 ± 2.9 a, b, c
   Females 22.5 ± 4.9 b, c, d 35.0 ± 4.6 a, c, d 41.1 ± 4.0 a, b, d 66.2 ± 4.1 a, b, c
   Males 17.0 ± 4.9 b, c, d 22.6 ± 4.6 a, c, d 37.5 ± 4.0 a, b, d 58.9 ± 4.1 a, b, c
Net Sitting O2 consumption ml/kg/30 min ml/kg/29 min ml/kg/28 min ml/kg/25 min
   All 19. 8 ± 3.4 b, c 23.8 ± 3.1a 25.4 ± 2.5a 23.9 ± 2.0
   Females 22.5 ± 4.9 b 29.7 ± 4.4a 25.7 ± 3.6 26.8 ± 2.6
   Males 17.0 ± 4.9 c 17.9 ± 4.4 25.1 ± 3.6a, b 21.0 ± 6.7
Net PA O2 consumption   ml/kg/min ml/kg/2 min ml/kg/5 min
   All -- 5.0 ± 0.3 c, d 12.7 ± 0.4 b, d 38.7 ± 1.5 b, c
   Females -- 5.4 ± 0.4 c, d 13.0 ± 0.6 b, d 39. 4 ± 2.1 b, c
   Males -- 4.6 ± 0.4 c, d 12.4 ± 0.6 b, d 38.0 ± 2.1 b, c
  1. a significantly different than bout 1 (p < .05).
  2. b significantly different tan bout 2 (p < .05).
  3. c significantly different than bout 3 (p < .05).
  4. d significantly different than bout 4 (p < .05).
  5. Note. Bout 1 consisted of 30 consecutive minutes of sitting. Bout 2 consisted of 14 minutes of sitting, 1 minute of walking, and 15 minutes of sitting. Bout 3 consisted of 13 minutes of sitting, 2 minutes of walking, and 15 minutes of sitting. Bout 4 consisted of 13 minutes of sitting, 5 minutes of walking, and 12 minutes of sitting.