Table 3.
Anthropometry and body composition in men.
| Age (yr) | 40–44 (n = 25) | 45–49 (n = 34) | 50–54 (n = 29) | 55–59 (n = 31) | 60–64 (n = 27) | 65–69 (n = 35) | 70–74 (n = 30) | 75+ (n = 28) | β-Coefficient (95% CI) | p-value |
| Weight (kg) | 66.9 ± 10.8 | 61.5 ± 9.5 | 64.1 ± 12.3 | 59.1 ± 10.8 | 59.2 ± 8.4 | 59.5 ± 9.6 | 55.8 ± 7.6 | 53.8 ± 7.5 | −0.29 (−0.39, −0.19) | <0.0001 |
| Height (cm) | 171.2 ± 5.1 | 171.0 ± 5.9 | 171.2 ± 6.7 | 170.3 ± 6.8 | 169.1 ± 8.7 | 167.4 ± 7.0 | 168.7 ± 7.9 | 164.9 ± 6.0 | −0.16 (−0.23, −0.08) | <0.0001 |
| Sitting height (cm) | 86.2 ± 3.7 | 85.2 ± 3.1 | 85.1 ± 4.1 | 84.0 ± 3.4 | 83.7 ± 4.0 | 82.9 ± 3.6 | 83.1 ± 4.2 | 81.2 ± 2.7 | −0.11 (−0.15, −0.08) | <0.0001 |
| Sit:stand height ratio | 0.50 ± 0.02 | 0.50 ± 0.01 | 0.50 ± 0.01 | 0.49 ± 0.01 | 0.50 ± 0.01 | 0.50 ± 0.01 | 0.49 ± 0.01 | 0.49 ± 0.02 | −0.0002 (−0.0004, −0.00008) | 0.003 |
| BMI | 22.8 ± 3.7 | 21.0 ± 3.0 | 21.8 ± 3.5 | 20.3 ± 2.9 | 20.7 ± 2.8 | 21.2 ± 3.2 | 19.6 ± 2.3 | 19.8 ± 2.5 | −0.06 (−0.09, −0.03) | <0.0001 |
| Waist circumference (cm) | 79.2 ± 8.5 | 76.5 ± 8.0(n=32) | 80.1 ± 8.4 | 77.8 ± 8.5 | 77.1 ± 17.1 | 79.2 ± 9.3 | 76.1 ± 7.9(n=29) | 75.8 ± 8.6 | −0.06 (−0.16, 0.04) | 0.243 |
| Total body fat mass (kg) | 11.0 ± 6.6(n=24) | 7.2 ± 5.3 | 9.7 ± 7.5 | 7.2 ± 6.0 | 8.1 ± 5.4 | 9.3 ± 6.7 | 7.3 ± 4.6(n=29) | 7.1 ± 4.2(n=26) | −0.05 (−0.12, 0.01) | 0.120 |
| Total% fat | 15.5 ± 7.3(n=24) | 11.0 ± 6.4 | 14.1 ± 8.4 | 11.1 ± 6.9 | 13.0 ± 7.3 | 14.6 ± 8.1 | 12.6 ± 6.6(n=29) | 12.7 ± 6.2(n=26) | −0.007 (−0.08, 0.08) | 0.865 |
| Android fat mass (kg) | 0.9 ± 0.7 | 0.6 ± 0.5 | 0.8 ± 0.7 | 0.6 ± 0.6 | 0.7 ± 0.6 | 0.8 ± 0.7 | 0.5 ± 0.4 | 0.6 ± 0.5(n=26) | −0.004 (−0.01, 0.002) | 0.203 |
| Gynoid fat mass (kg) | 2.2 ± 1.1(n=24) | 1.5 ± 1.0 | 1.9 ± 1.3 | 1.4 ± 1.0 | 1.6 ± 0.9 | 1.8 ± 1.0 | 1.5 ± 0.9(n=29) | 1.4 ± 0.7(n=27) | −0.01 (−0.02, 0.0006) | 0.051 |
| FMI (kg/m2) | 3.8 ± 2.3(n=24) | 2.5 ± 1.7 | 3.3 ± 2.5 | 2.4 ± 1.9 | 2.8 ± 2.0 | 3.3 ± 2.4 | 2.6 ± 1.6(n=29) | 2.6 ± 1.6(n=26) | −0.01 (−0.03, 0.01) | 0.292 |
| Total body lean mass (kg) | 53.2 ± 5.6(n=24) | 51.7 ± 5.8 | 51.5 ± 6.9 | 49.5 ± 5.9 | 48.4 ± 5.1 | 47.6 ± 4.9 | 45.8 ± 5.5(n=29) | 44.1 ± 5.0(n=26) | −0.24 (−0.29, −0.18) | <0.0001 |
| aLM (kg) | 25.6 ± 3.1 | 24.6 ± 3.5 | 24.6 ± 3.9 | 23.2 ± 3.2 | 22.4 ± 2.6 | 21.9 ± 2.8 | 20.9 ± 3.0 | 20.0 ± 2.9(n=27) | −0.1 (−0.2, −0.1) | <0.0001 |
| Android lean mass (kg) | 3.4 ± 0.5 | 3.3 ± 0.4 | 3.3 ± 0.5 | 3.2 ± 0.4 | 3.3 ± 0.4 | 3.2 ± 0.4 | 3.2 ± 0.5 | 2.9 ± 0.4(n=26) | −0.009 (−0.01, −0.004) | <0.0001 |
| Gynoid lean mass (kg) | 7.7 ± 1.1(n=24) | 7.4 ± 1.1 | 7.3 ± 1.2 | 6.9 ± 0.9 | 6.8 ± 0.9 | 6.7 ± 0.8 | 6.5 ± 0.8(n=29) | 6.2 ± 0.7(n=27) | −0.04 (−0.05, −0.03) | <0.0001 |
| aLMI (kg/m2) | 8.7 ± 0.9 | 8.4 ± 1.1 | 8.4 ± 1.0 | 8.0 ± 0.8 | 7.8 ± 0.7 | 7.8 ± 0.8 | 7.3 ± 0.8 | 7.3 ± 0.8(n=27) | −0.04 (−0.05, −0.03) | <0.0001 |
Values are mean ± SD.
β-Coefficients are calculated with age as a continuous variable.
Superscript values indicate the group numbers.
Bold indicates significance.
BMI, body mass index; FMI, fat mass index, calculated as whole body fat mass divided by height squared; aLM, appendicular lean mass; aLMI, appendicular lean mass index, calculated as appendicular lean mass divided by height squared.