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Table 1 Mean values ± sd and p-values of anthropometric measurements and QUS variables (T-score, stiffness index) in the different age-decades.

From: Association of physical exercise and calcium intake with bone mass measured by quantitative ultrasound

Women

Variables

< 40 years

40-49 yrs

50-59 yrs

60-69 yrs

70-79 yrs

80+ yrs

p-value

ANOVA

 

n = 125

n = 321

n = 387

n = 493

n = 450

n = 114

 

Weight (Kg)

68.4 ± 14.1

69.39 ± 14.3

72.45 ± 12.2

73.62 ± 13

70.83 ± 11.8

65.1 ± 10.3

< 0.001

Height (m)

1.65 ± 0.06

1.62 ± 0.07

1.59 ± 0.06

1.58 ± 0.06

1.55 ± 0.08

1.53 ± 0.08

< 0.001

BMI (kg/m 2 )

25.23 ± 5.14

26.6 ± 5.16

28.56 ± 4.83

29.71 ± 5

29.4 ± 5

28.7 ± 5

< 0.001

T-score

-0.1 ± 1.2

-0.3 ± 1.3

-0.9 ± 1.2

-1.5 ± 1.4

-2.1 ± 1.3

-2.5 ± 1.2

0.01

Stiffness index

97.62 ± 19

95.9 ± 16

88.64 ± 16

81.54 ± 16.7

75.34 ± 16.8

71.77 ± 18.7

< 0.001

  1. Age decades 20-29 and 30-39 were grouped in one (< 40 yrs) because of the small numbers of participants compared to the other groups.