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Table 1 Basic descriptive statistics of the study participants (N = 4352)

From: Normative data for the 6-min walk test in 11–14 year-olds: a population-based study

Study variables Total (N = 4352) Boys (N = 1471) Girls (N = 2881) p for sex
Mean ± SD Mean ± SD Mean ± SD
Age (years) 12 ± 1 12 ± 1 12 ± 1 0.890
Height (cm) 156 ± 10 159 ± 11 155 ± 10 < 0.001
Weight (kg) 47 ± 11 49 ± 13 46 ± 10 < 0.001
Body-mass index (kg/m2) 19 ± 3 19 ± 3 19 ± 3 0.756
6MWT (m) 561 ± 93 576 ± 93 545 ± 92 < 0.001
Speed (m/min) 94 ± 5 98 ± 5 91 ± 6 < 0.001
  1. p < 0.05