Table 2 Characteristics and physical activity measures of teenagers with a 6-month past history of lower limb fractures vs healthy controls

Age (y)

13.6 ± 1.5

13.5 ± 1.6

0.4547

Height (cm)

161.0 ± 10.9

162.6 ± 12.6

0.3883

Weight (kg)

52.4 ± 9.3

53.5 ± 10.8

0.3698

BMI (kg.m^-2)

20.1 ± 1.9

20.1 ± 2.6

0.9556

Number of valid monitored days

7.9 +/- 2.3

7.7 +/- 2.1

0.7905

Daily duration of the physical activity monitoring (min)

745.4 ± 32.4

746.4 ± 35.8

0.9989

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

556 ± 266.9

569.2 ± 219.7

0.7366

Sedentary activity (min/day) (%)

563.4 +/- 57.7

554.4 +/- 69.2

0.7548

75.6

74.3

Light activity (min/day) (%)

122.8 +/- 38.1

127.1 +/- 42.9

0.6654

16.5

17

Moderate (min/day) (%)

23.2 +/- 10

30.2 +/- 13.8

0.0174*

3.1

4.1

Vigorous activity (min/day) (%)

35.9 +/- 19.5

34.7 +/- 18.5

0.7731

4.8

4.6

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

59.1 ± 37.2

64.9 ± 30.9

0.3366