Table 2 Comparison of body fat percentages between boys and girls aged 10–15 years

Age (years)

n

Mean (DP)

Range

n

Mean (DP)

Range

10

93

20.92 (8.2)

6.0–51.3

117

20.7 (7.8)

8.1–48.2

0.88

11

457

20.20 (8.9)

4.6–58.9

527

20.2 (7.6)

4.3–58.8

0.99

12

532

19.82 (8.5)

4.4–57.2

667

21.5 (7.1)

6.7–48.9

<0.001

13

483

19.36 (8.5)

4.9–65.6

598

22.5 (7.1)

4.4–56.9

<0.001

14

323

18.16 (7.6)

4.7–50.9

400

23.4 (6.7)

7.5–51.2

<0.001

15

103

16.79 (6.0)

6.2–38.8

100

23.2 (5.3)

4.3–36.4

<0.001