Table 3 Characteristics and physical activity measures of teenagers with an 18-month past history of lower limb fractures vs healthy controls

Age (y)

14.3 ± 1.7

14 ± 1.8

0.0764

Height (cm)

167.6 ± 12.7

162.8 ± 13.5

0.1239

Weight (kg)

60.6 ± 14.9

55.3 ± 13.4

0.0156*

BMI (kg.m^-2)

21.2 ± 2.8

20.6 ± 3.1

0.0012*

Number of valid monitored days

7.2 +/- 2.8

8.5 +/- 2

0.1541

Daily duration of the physical activity monitoring (min)

736.7 ± 25.1

744.4 ± 27.8

0.3812

Total activity (counts.min^-1.d^-1)

531.1 ± 256.5

541 ± 216.5

0.4925

Sedentary activity (min/day) (%)

577.9 +/- 44.5

563.5 +/- 62.1

0.9058

78.5

75.7

Light activity (min/day) (%)

107.8 +/- 27.3

119 +/- 34.7

0.4776

14.6

16

Moderate (min/day) (%)

20.1 +/- 7.5

28.9 +/- 10.8

0.0086*

2.7

3.9

Vigorous activity (min/day) (%)

30.9 +/- 24.7

33.1 +/- 18.9

0.4631

4.2

4.5

Time spent in moderate to vigorous activity (min.day^-1)

51 ± 28.9

62 ± 28.2

0.1024