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Table 1 Mean (SD) total volume and bouts of SED, LPA & MVPA at 19 months, 3.5 years and 5 years of agea,b,c

From: Changes in volume and bouts of physical activity and sedentary time across early childhood: a longitudinal study

  19 months 3.5 years 5 years
Boys (n = 160) Girls (n = 144) Combined (n = 304) Boys (n = 71) Girls (n = 86) Combined (n = 157) Boys (n = 80) Girls (n = 81) Combined (n = 161)
Total volume SED (% wear time/day) 52.1 (6.1) 53.7 (6.8)d 52.8 (6.5) 49.7 (6.0) 50.9 (5.7) 50.3 (5.9) 49.3 (6.5) 51.3 (6.1)d 50.3 (6.4)
Total volume LPA (% wear time/day) 39.6 (4.9) 38.5 (5.1) 39.1 (5.1) 38.9 (4.6) 38.3 (3.6) 38.6 (4.1) 3.75 (4.5) 36.6 (4.1) 37.0 (4.3)
Total volume MVPA (% wear time/day) 8.3 (2.6) 7.8 (2.8) 8.1 (2.7) 11.4 (3.4) 10.7 (3.6) 11.0 (3.5) 13.1 (3.8) 12.1 (3.2) 12.6 (3.5)
SED bout frequency (bouts/day) 72.1 (14.1) 77.0 (16.0) 74.5 (15.2) 83.2 (15.0) 84.8 (12.9) 84.1 (13.9) 87.5 (14.5) 89.9 (11.6) 88.7 (13.1)
LPA bout frequency (bouts/day) 78.6 (14.8) 77.1 (15.8) 77.9 (15.3) 81.9 (15.0) 77.1 (11.4)d 79.3 (13.3) 77.9 (15.6) 73.3 (12.7)d 75.6 (14.4)
MVPA bout frequency (bouts/day) 7.9 (4.2) 7.4 (4.1) 7.6 (4.2) 15.8 (6.9) 13.7 (6.9) 14.6 (7.0) 20.8 (8.1) 17.6 (7.1)d 19.2 (7.8)
SED bout duration (mins/bout) 3.2 (0.5) 3.2 (0.5) 3.3 (0.5) 2.9 (0.4) 2.8 (0.3) 2.9 (0.3) 2.8 (0.4) 2.8 (0.7) 2.8 (0.6)
LPA bout duration (mins/bout) 1.6 (0.1) 1.6 (0.1)d 1.6 (0.1) 1.6 (0.9) 1.5 (0.8) 1.5 (0.1) 1.5 (0.9) 1.5 (0.6)d 1.5 (0.1)
MVPA bout duration (mins/bout) 1.5 (0.2) 1.5 (0.3) 1.5 (0.2) 1.6 (0.2) 1.5 (0.2) 1.6 (0.2) 1.6 (0.2) 1.6 (0.2) 1.6 (0.2)
  1. aSED sedentary time, LPA light-intensity physical activity, MVPA moderate- to vigorous-intensity physical activity
  2. bBouts defined in this study as any sedentary time, LPA or MVPA > 1 min
  3. cAll values are Mean (SD)
  4. dSignificant difference between boys and girls at p < 0.05