Table 1

Age distribution, weight status and health-related physical fitness by sex

Boys

(N = 1626)

Girls

(N = 1578)

P*


Age (n and %)

12 or below

288 (17.7)

293 (18.6)

13

345 (21.2)

297 (18.8)

14

320 (19.7)

268 (17.0)

15

264 (16.2)

248 (15.7)

16

166 (10.2)

212 (13.4)

17

136 (8.4)

147 (9.3)

18 or above

107 (6.6)

113 (7.2)

Weight status (n and %)

Grade II/III underweight

87 (5.4)

93 (5.9)

Grade I underweight

183 (11.3)

259 (16.4)

Normal weight

1064 (65.4)

1089 (69.0)

Overweight

250 (15.4)

123 (7.8)

Obese

42 (2.6)

14 (0.9)

Physical fitness tests (mean and SD)

Push-up (count/min)

23.2 (14.6)

27.9 (16.3)

N/A

Sit-up (count/min)

38.8 (10.2)

31.6 (8.4)

< 0.001

Sit-and-reach (cm)

27.4 (8.7)

32.3 (8.0)

< 0.001

9-min run (m)

1632.1 (299.5)

1353.2 (211.1)

< 0.001


* P-value for sex difference based on t-test

Mak et al. BMC Public Health 2010 10:88   doi:10.1186/1471-2458-10-88

Open Data