Table 1.
Participant Characteristics by Sex & Age Group – Mean (SD)
| Height (cm) | Weight (kg) | Body Mass Index | FFM (kg) | Fat Mass (kg) | % Body Fat | |
|---|---|---|---|---|---|---|
| Males | ||||||
| 5–6 y (n = 10) | 115.7 (6.7) | 19.9 (2.7) | 14.8 (0.9) | 16.5 (1.6) | 2.7 (0.8) | 13.8 (3.8) |
| 7–8 y (n = 20) | 117.4 (7.7) | 20.6 (3.4) | 14.8 (1.1) | 17.6 (2.7) | 3.4 (1.4) | 16.1 (5.2) |
| 9–10 y (n = 20) | 126.4 (5.1) | 23.7 (2.6) | 14.8 (0.9) | 19.2 (2.3) | 3.6 (0.9) | 15.8 (3.9) |
| 11–12 y (n = 16) | 135.5 (6.2) | 28.5 (3.5) | 15.5 (1.1) | 24.1 (3.0) | 4.4 (1.7) | 15.2 (3.9) |
| 13–14 y (n = 54) | 143.1 (7.0) | 32.2 (4.7) | 15.7 (1.3) | 27.5 (4.0) | 4.9 (1.7) | 14.9 (4.4) |
| 15–16 y (n = 57) | 152.6 (10.4) | 39.7 (7.9) | 16.8 (1.8) | 34.6 (7.9) | 5.3 (2.5) | 13.5 (5.3) |
| 17–18 y (n = 85) | 160.6 (8.3) | 47.6 (8.6) | 18.3 (2.0) | 40.7 (6.9) | 7.1 (3.5) | 14.6 (5.5) |
| 19–20 y (n = 64) | 167.3 (5.8) | 54.5 (7.1) | 19.4 (1.9) | 46.0 (5.0) | 9.2 (3.7) | 16.4 (5.3) |
| 21–30 y (n =125) | 169.5 (8.3) | 60.0 (9.1) | 20.8 (2.7) | 48.6 (7.1) | 11.3 (4.9) | 18.7 (5.5) |
| Females | ||||||
| 5–6 y (n = 12) | 108.7 (7.6)* | 17.2 (2.1)* | 14.5 (1.1) | 14.6 (1.9) | 3.2 (0.8) | 17.7 (4.0) |
| 7–8 y (n = 23) | 118.9 (6.2) | 20.6 (2.7) | 14.5 (1.1) | 17.5 (2.6) | 3.1 (1.1) | 15.0 (5.1) |
| 9–10 y (n = 19) | 128.0 (6.8) | 24.4 (3.4) | 14.8 (1.0) | 19.9 (2.7) | 4.0 (1.3) | 16.4 (3.7) |
| 11–12 y (n = 24) | 133.9 (9.0) | 27.5 (5.0) | 15.2 (1.2) | 23.2 (5.4) | 5.0 (1.6) | 18.0 (5.6) |
| 13–14 y (n = 38) | 148.3 (8.5)** | 37.6 (7.8)*** | 16.9 (2.2)*** | 30.1 (5.6)** | 7.7 (3.9)*** | 19.7 (6.7)*** |
| 15–16 y (n = 78) | 155.6 (6.6)* | 44.0 (8.0)** | 18.1 (2.6)** | 34.3 (4.7) | 10.1 (4.4)*** | 22.0 (6.9)*** |
| 17–18 y (n = 56) | 156.4 (8.0)** | 50.9 (8.3)* | 21.1 (5.8)*** | 35.8 (4.5)*** | 15.2 (6.6)*** | 27.0 (7.0)*** |
| 19–20 y (n = 47) | 160.1 (6.6)*** | 52.6 (8.6) | 20.5 (2.8)* | 37.8 (6.0)*** | 14.4 (4.5)*** | 27.3 (5.9)*** |
| 21–30 y (n =111) | 160.8 (8.3)*** | 58.7 (11.6) | 22.9 (5.6)*** | 39.9 (5.3)*** | 18.3 (7.7)*** | 30.4 (7.6)*** |
*
Significant differences between males and females:
*
p<0.05,
**
p<0.01,
***
p<0.001