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

From: Recovery of physical activity levels in adolescents after lower limb fractures: a longitudinal, accelerometry-based activity monitor study

  Injured teenagers Healthy controls p value*
(n = 20) (n = 20)
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
  1. The results are expressed as mean ± SD. *: statistically significant difference [please always place at foot of table].