Factor

F

No. (1000)

M.SD

T

P. value

Body mass index (BMI)

≤25

≥25

748

252

47.59 ± 3.84

46.79 ± 3.46

2.99*

0.0001

Height

≤155 cm

≥156 cm

796

204

47.40 ± 3.37

47.8 ± 3.34

1.59*

0.056

Weight

Up to 54 kg

≥55 kg

746

254

47.66 ± 3.84

46.79 ± 3.46

2.5*

0.006

Age at menarche

≤16 years

≥17 years

854

146

47.70 ± 2.18

47.67 ± 3.48

2.52*

0.005

Menstrual cycle

Regular

Irregular

888

112

47.35 ± 4.31

46.67 ± 3.44

1.7*

0.0478

Parity

0 - 4

≥5

82

918

47.25 ± 4.55

48.31 ± 4.15

2.12*

0.017

Spontaneous abortion

Negative

Positive

795

205

47.8 ± 3.44

47.63 ± 4.37

1.96*

0.025