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Table 1 Descriptive statistics for participants (M ± SD)

From: Decreased levels of physical activity in adolescents with down syndrome are related with low bone mineral density: a cross-sectional study

 

Down syndrome

Control

 

(n = 19)

(n = 14)

Age (yr)

14.7 ± 2.2

13.2 ± 2.8

Weight (kg)

46.7 ± 11.5

50.2 ± 15.7

Height (cm)

146.3 ± 12.3

155.5 ± 14.9

Body mass index

21.4 ± 3.2

20.3 ± 3.7

Weight Z-score

−0.8 ± 1.2*

0.4 ± 1.3

Height Z-score

−2.3 ± 1.1*

0.0 ± 0.9

BMI Z-score

0.6 ± 0.9

0.5 ± 1.3

Lumbar spine BMD Z-score

−0.8 ± 0.9*

0.1 ± 1.1

Hip BMD Z-score

−1.1 ± 0.9*

0.1 ± 1.2

Whole body BMD Z-score

−1.7 ± 1.1*

0.5 ± 1.6

  1. * p ≤ 0.05 between groups. BMD bone mineral density.