Table 1.

Clinical characteristics

	Total	Primiparae	Multiparae	p-value
Age	30.8 ± 4.2 (n = 179)	29.9 ± 4.0 (n = 94)	31.8 ± 4.2 (n = 85)	0.002
	(21–42)	(23–40)	(21–42)
Height	157.9 ± 5.7 (n = 179)	158.4 ± 5.9 (n = 94)	157.3 ± 5.2 (n = 85)	0.188
	(145.0-178.0)	(146.0-178.0)	(145.0-170.0)
Weight before pregnancy	52.4 ± 8.3 (n = 178)	51.3 ± 7.4 (n = 94)	53.6 ± 9.1 (n = 84)	0.054
	(38.0-90.0)	(40.0-80.0)	(38.0-90.0)
Weight at delivery	62.2 ± 8.5 (n = 177)	61.5 ± 7.8 (n = 93)	63.1 ± 9.1 (n = 84)	0.208
	(42.7-96.8)	(47.2-92.8)	(42.7-96.8)
Weight gain during pregnancy	9.9 ± 3.1 (n = 176)	10.2 ± 3.1 (n = 93)	9.5 ± 3.2 (n = 83)	0.107
	(1.0-22.8)	(1.0-22.8)	(1.7-16.1)
BMI before pregnancy	21.0 ± 3.2 (N = 178)	20.4 ± 2.6 (n = 94)	21.7 ± 3.6 (n = 84)	0.008
	(16.0-38.0)	(16.0-30.4)	(16.5-38.0)
BMI at delivery	25.0 ± 3.1 (N = 177)	24.5 ± 2.6 (n = 93)	25.5 ± 3.5 (n = 84)	0.031
	(17.3-40.0)	(18.4-32.3)	(17.3-40.0)

( − ) indicates in range.

Date were analyzed by unpaired t-test.