Table 2

Descriptive sedentary time results (mean ± standard deviation), by age, sex and obesity status
Sedentary time (min/d) Sedentary time on weekdays after 3 pm (min/d) Sedentary time on weekends (min/d) Breaks in sedentary time per day (number/d)
Boys 507.5 ± 90.8 265.5 ± 65.8* 490.9 ± 114.5 81.2 ± 11.6*
Age
6 to 10 years 445.5 ± 79.5 212.8 ± 52.0 440.5 ± 101.1 84.4 ± 10.3*
11 to 14 years 524.1 ± 76.9** 273.9 ± 58.0** 503.2 ± 103.3** 79.2 ± 11.2*,**
15 to 19 years 553.9 ± 77.0*,** 310.7 ± 44.7*,** 533.8 ± 126.4** 80.1 ± 13.6**
BMI
Not overweight or obese 499.9 ± 88.4 259.4 ± 63.7 483.7 ± 115.0 81.2 ± 11.3
Overweight or obese 527.8 ± 94.6 281.7 ± 69.2*** 509.7 ± 220.0 81.1 ± 12.6
Girls 523.8 ± 91.6 277.1 ± 67.5 493.6 ± 106.7 85.4 ± 11.7
Age
6 to 10 years 446.1 ± 72.9 215.4 ± 52.1 428.7 ± 96.0 89.6 ± 10.4
11 to 14 years 526.8 ± 63.5** 275.0 ± 49.3** 503.2 ± 87.5** 84.7 ± 10.5**
15 to 19 years 582.1 ± 81.4** 326.3 ± 47.5** 538.4 ± 106.1** 82.6 ± 13.6**
BMI
Not overweight or obese 523.5 ± 91.3 277.1 ± 68.3 495.4 ± 107.2 85.2 ± 11.5
Overweight or obese 524.6 ± 93.1 277.0 ± 64.2 487.1 ± 105.0 86.2 ± 12.5

* significantly different to estimate for girls (p < .05).

** significantly different to estimate for 6–10 year olds of same sex (p < .05).

*** significantly different to estimate for not overweight or obese (p < .05).

BMI, body mass index.

Colley et al.

Colley et al. BMC Public Health 2013 13:200   doi:10.1186/1471-2458-13-200

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