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Table 1 Descriptive characteristics and weekday, weekend and after-school physical activity of boys (n = 389) and girls (n = 467) by level of children’s independent mobility (CIM) (Toronto, Ontario, Canada; 2010–2011)

From: The freedom to explore: examining the influence of independent mobility on weekday, weekend and after-school physical activity behaviour in children living in urban and inner-suburban neighbourhoods of varying socioeconomic status

Variable
  Low CIM High CIM Low CIM High CIM
Descriptive characteristics Boys Girls
Sample size 119 270 213 254
Age (years) 10.9 (0.6) 11.1 (0.6)a 11.0 (0.6) 11.1 (0.6)
Height (cm) 145.7 (7.8) 147.8 (7.2)a 146.8 (8.3) 147.9 (10.2)
Weight (kg) 41.3 (10.7) 42.7 (10.9) 40.6 (9.4) 41.1 (9.3)
Body mass index (kg.m-2) 19.2 (3.8) 19.4 (3.9) 18.7 (3.2) 18.5 (3.2)
BMI category‡
Normal weight, % 61.3 70.0 73.1 74.4
Overweight or obese, % 38.7 30.0 26.9 25.6
Weekday physical activity
Total counts (counts.day-1) 472530.2 (118847.7) 509174.8 (140120.3)a 379470.3 (102001.4) 406276.1 (110737.3)a
Light activity (min) 190.6 (33.2) 193.0 (33.4) 169.5 (30.1) 173.6 (32.1)
MVPA (min) 36.1 (14.6) 40.4 (16.1)a 24.9 (11.0) 27.5 (12.1)a
Time spent sedentary (%) 77.3 (4.9) 76.5 (5.4) 80.6 (4.2) 79.2 (4.8)b
Weekend physical activity
Total counts (counts.day-1) 360493.0 (131742.8) 395607.5 (179477.2)a 287227.3 (109164.1) 341835.3 (172700.0)a
Light activity (min) 164.2 (40.3) 168.5 (50.0)a 143.0 (39.8) 151.0 (39.1)
MVPA (min) 24.2 (14.6) 27.5 (16.7)a 16.9 (10.7) 20.9 (15.2)
Time spent sedentary (%) 80.2 (5.4) 79.2 (7.1) 82.8 (5.6) 81.0 (6.0)
After-school physical activity
% time sedentary 72.2 (8.9) 68.0 (9.5)b 74.6 (6.9) 72.4 (7.6)b
% time in light activity 23.7 (7.2) 26.2 (7.3)a 22.2 (5.6) 23.7 (6.4)a
% time in MVPA 4.2 (2.9) 5.9 (3.6)a 3.2 (2.2) 3.9 (2.5)a
  1. Group differences explored using multivariate analyses (MANOVAs).
  2. Mean (SD) presented.
  3. High CIM = high children’s independent mobility; low CIM = low children’s independent mobility.
  4. aSignificantly higher in those children granted high CIM (p < 0.05).
  5. bSignificantly lower in those children granted high CIM (p < 0.05).
  6. ‡International Obesity Task Force Classification [54].