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Table 2 Wear time and sedentary time in min/day per non-wear time rule

From: Objective measurement of sedentary behavior: impact of non-wear time rules on changes in sedentary time

  9 Y (N = 517) 12 Y (N = 440) Change (N = 369)
  Mean SD Mean SD Mean SD
Wear time       
(min/d)
Manual 674.3 76.7 709.4 92.6 33.1 93.9
>10 min 674.7* 76.8 679.8 95.7 3.3 99.2
>20 min 696.5 77.1 720.4 95.0 22.3 98.4
>60 min 736.9 78.8 774.5 95.4 35.1 101.4
Sedentary time       
(min/d)
Manual 373.1 63.8 461.6 85.5 87.7 79.0
>10 min 363.6 56.9 423.7 71.7 59.2 70.7
>20 min 385.4 62.9 464.3* 81.4 78.2 77.0
>60 min 425.7 67.3 518.2 87.3 91.0* 84.2
Sedentary time       
(% of wear time)
Manual 55.3 7.0 65.1 8.8 9.8 8.8
>10 min 54.0 6.5 62.5 7.6 8.6 7.5
>20 min 55.3* 6.8 64.5 7.9 9.2 7.8
>60 min 57.8 6.7 67.0 7.7 9.2 7.8
Corrected sedentary       
time (min/d)
Manual 398.3 50.5 468.8 63.4 70.3 63.1
>10 min 388.5 46.7 450.3 54.4 61.7 54.2
>20 min 398.4* 48.9 464.6 56.9 66.0 55.9
>60 min 415.8 48.1 482.0 55.7 66.0 56.0
  1. * not significant compared to manual rule
  2. not significant compared to 20 min rule
  3. all others significant (p < 0.05)