Age-Related Trends in Body Composition among Women Aged 20–80 Years: A Cross-Sectional Study
Table 2
Body composition measurements in different age group.
Measure
Age category (years)
Mean (SD)
20–29 (n = 79)
30–39 (n = 144)
40–49 (n = 185)
50–59 (n = 281)
≥60 (n = 95)
TBBMD (g/cm2)
1.010 (0.079)
1.033 (0.074)
1.047 (0.084)
0.958 (0.110)
0.882 (0.081)
TSBMD (g/cm2)
0.909 (0.114)
0.898 (0.120)
0.919 (0.129)
0.807 (0.143)
0.696 (0.130)
THBMD (g/cm2)
0.887 (0.111)
0.899 (0.108)
0.917 (0.124)
0.872 (0.124)
0.796 (0.118)
TBBMC (g)
1657.78 (231.46)
1720.47 (221.56)
1725.42 (225.95)
1507.62 (280.92)
1322.42 (206.09)
TBFM (kg)
18.32 (6.34)
19.78 (5.52)
20.90 (5.74)
21.22 (5.95)
21.25 (5.91)
TBFP (%)
35.86 (6.60)
35.10 (5.13)
35.69 (5.60)
37.02 (94)
38.02 (5.72)
TBLM (kg)
29.72 (4.53)
34.22 (4.91)
34.34 (4.57)
32.99 (4.84)
29.85(3.96)
TBBMD = total body bone mineral density, TSBMD = total spine bone mineral density, THBMD = total hip bone mineral density, TBFP = total body fat percentage, TBBMC = total body bone mineral content, TBFM = total body fat mass, and TBLM = total body lean mass; by ANOVA.
