Table 2.
Description of the study sample by class and sex
| |
3rd class (N = 172) |
4th class (N = 172) |
5th class (N = 172) |
6th class (N = 172) |
||||
|---|---|---|---|---|---|---|---|---|
| Boys (n = 103) | Girls (n = 69) | Boys (n = 103) | Girls (n = 69) | Boys (n = 103) | Girls (n = 69) | Boys (n = 103) | Girls (n = 69) | |
|
Characteristic |
|
|
|
|
|
|
|
|
| Age (yr) |
9.4 (0.4)* |
9.2 (0.4) |
10.3 (0.4)* |
10.2 (0.4) |
11.4 (0.5)* |
11.2 (0.3) |
12.4 (0.4)* |
12.2 (0.4) |
| Height (cm) |
139.8 (5.9)* |
136.9 (6.4) |
143.6 (6.2)* |
141.6 (6.9) |
150.0 (6.8) |
148.8 (7.7) |
156.2 (7.7) |
154.9 (7.6) |
| Mass (kg) |
32.0 (5.0) |
31.6 (5.9) |
35.9 (6.0) |
35.9 (7.8) |
40.6 (7.4) |
40.7 (10.1) |
45.7 (8.6) |
45.8 (11.2) |
| BMI (kg/m2) |
16.4 (2.1) |
16.8 (2.4) |
17.4 (2.4) |
17.8 (3.0) |
18.0 (2.5) |
18.2 (3.4) |
18.6 (2.6) |
19.0 (3.7) |
|
Fitness test |
|
|
|
|
|
|
|
|
| 50-m sprint (s) |
9.6 (0.8) |
9.9 (0.8) |
9.2 (0.8)* |
9.5 (0.9) |
8.9 (0.8) |
9.1 (0.8) |
8.7 (0.8) |
8.9 (0.8) |
| 1-kg ball push (m) |
7.82 (1.4)* |
6.33 (1.4) |
9.09 (1.6)* |
7.61 (1.3) |
10.76 (2.0)* |
8.93 (1.9) |
11.78 (2.3)* |
9.8 (2.2) |
| Triple hop (m) |
7.76 (1.2)* |
7.30 (1.1) |
8.51 (1.2)* |
8.04 (1.2) |
9.29 (1.3)* |
8.81 (1.2) |
9.97 (1.4)* |
9.5 (1.4) |
| SaR (cm) |
96.5 (7.8)* |
100.7 (7.2) |
96.6 (8.1)* |
100.6 (7.2) |
95.3 (8.5)* |
101.6 (7.4) |
96.0 (8.3)* |
103.9 (7.8) |
| Star run (s) |
22.9 (3.3) |
23.6 (2.3) |
20.8 (2.0)* |
21.8 (1.9) |
19.5 (2.0)* |
20.4 (1.8) |
18.6 (1.8)* |
19.3 (1.7) |
| 9-min run (m) | 1499.5 (193.1)* | 1343.4 (168.3) | 1587.9 (255.2)* | 1417.1 (213.9) | 1629.2 (235.9)* | 1455.8 (177.9) | 1610.4 (254.7)* | 1463.3 (229.3) |
Notes. Values are means (±SD). *indicates that boys are significantly different from girls (p < 0.05); BMI = Body Mass Index; SaR = stand-and-reach test; star run = star coordination run