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Table 3 Number of bouts of sedentary behavior per day at age 9 years and 12 years by bout length

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

  9 Y (N = 390) 12 Y (N = 390)
Bouts of sedentary behavior Mean SD Mean SD
5–9 min 10.1 3.1 13.7 4.3
10–14 min 2.4 1.3 3.7 1.7
15–29 min 1.1 0.9 2.4 1.4
≥30 min 0.2 0.3 0.5 0.6
  1. Difference between age 9 years and 12 years significant for all (p < 0.05)