Table 1 Basic characteristics of the study subjects, including sample size and mean height plus standard deviation (S.D.) for each age and gender separately

Under 2

673

73.51

10.33

424

73.04

8.86

2

319

88.92

5.79

200

87.87

6.40

3

318

97.72

5.50

244

96.17

5.58

4

279

104.22

5.97

183

103.66

6.30

5

215

110.75

7.05

175

110.40

6.88

6

218

119.01

7.23

177

117.98

6.52

7

219

125.14

7.42

159

124.19

7.23

8

197

130.01

7.81

157

128.87

7.56

9

196

135.56

8.20

145

133.52

9.99

10

184

139.98

8.73

177

139.64

8.62

11

188

145.59

9.39

188

147.47

9.06

12

220

150.60

10.64

181

152.92

9.17

13

221

157.79

10.28

243

157.21

8.40

14

237

164.66

9.40

248

160.25

7.25

15

252

169.09

9.48

260

161.39

7.69

16

201

172.90

7.90

275

162.64

6.77

17

171

174.38

8.52

216

162.89

7.29

18

113

174.60

7.01

111

163.47

7.58