| |
11-12 years
|
14-15 years
|
|---|
| |
Boys (n = 98)
|
Girls (n = 97)
|
Boys (n = 91)
|
Girls (n = 95)
|
|---|
|
Age (yrs)
|
12.1 ± 0.6
|
12.1 ± 0.6
|
15.1 ± 0.7
|
15.1 ± 0.6
|
|
Weight (kg)
|
35.8 ± 6.8c
|
40.7 ± 10.6c
|
50.7 ± 10.0A
|
55.2 ± 11.2A
|
|
Height (cm)
|
145.0 ± 7.1c
|
148.8 ± 7.9c
|
163.1 ± 8.7B
|
159.8 ± 5.5B
|
|
BMI (kg/m2)
|
16.9 ± 2.0b
|
18.2 ± 3.7b
|
18.9 ± 2.4C
|
21.6 ± 4.1C
|
|
Pubertal stage (n,%)
| | | | |
|
Tanner 1
|
42 (43%)b
|
20 (21%)b
|
10 (11%)B
|
1 (1%)B
|
|
Tanner 2
|
33 (34%)
|
45 (47%)
|
11 (12%)
|
5 (5%)
|
|
Tanner 3
|
19 (19%)
|
29 (30%)
|
34 (38%)
|
40 (43%)
|
|
Tanner 4
|
4 (4%)
|
3 (3%)
|
32 (36%)
|
41 (44%)
|
|
Tanner 5
|
0 (0%)
|
0 (0%)
|
2 (2%)
|
7 (7%)
|
- All values are means ± standard deviation. Comparisons between sex and age groups were completed using ANOVA when data was normally distributed and Mann–Whitney U-test for non-normally distributed data. aP < 0.05, bP < 0.01 and cp < 0.001 for boys vs. girls in the 11-12-year age group; AP < 0.05, BP < 0.01 and Cp < 0.001 for boys vs. girls in the 14-15-year age group.
