Total

Vaginal delivery

Vaginal delivery with oxytocin

Operative delivery

Planned cesarean section

Emergent cesarean section

P-value

(n=)

435

282

82

21

23

27

65%

19%

5%

5%

6%

Maternal age

33.2 ± 4.43

33.3 ± 4.17

33.0 ± 4.73

33.7 ± 4.30

33.5 ± 5.33

32.3 ± 5.58

N.S.

Age at marriage

28.5 ± 4.01

28.4 ± 3.88

28.6 ± 4.24

29.0 ± 4.23

29.0 ± 4.15

29.0 ± 4.56

N.S.

Income (per year) Dollar

~30,000

41

26

6

2

5

2

P = 0.42

30,000 ~ 60,000

171

100

40

10

11

10

N.S.

60,000 ~ 100,000

119

81

20

4

5

9

100,000 ~ 150,000

56

39

10

3

1

3

150,000~

35

28

2

1

1

3

Academic background

Junior high school

4

3

0

1

0

0

P = 0.92

Senior high school

49

29

10

3

3

4

N.S.

Technical School

87

57

15

5

3

7

Junior college

75

45

18

1

7

4

College

200

135

37

9

9

10

Post graduate school

19

12

2

2

1

2

Cohabiter

Children

1

1

0

0

0

0

P < 0.001

Husband and children

392

254

74

19

20

25

Parents, husband and children

38

25

6

2

3

2

Other

3

1

2

0

0

0

Numbers of children

1.6 ± 0.71

1.68 ± 0.68

1.45 ± 0.86

1.20 ± 0.41

1.65 ± 0.64

1.11 ± 0.32

P < 0.001

Nullipara

232

123

58

17

10

24

P < 0.001

Multipara

202

158

24

4

13

3

Birth weight (g)

3023.0 ± 424.31

3018.0 ± 389.15

3051.5 ± 444.83

3177.2 ± 478.29

2906.5 ± 372.23

2959.3 ± 644.93

P = 0.234

Gestational weeks

39.15 ± 1.41

39.1 ± 1.19

39.3 ± 1.63

39.8 ± 1.36

37.7 ± 1.12

39.4 ± 2.25

P < 0.001

Resuscitation

None

400

271

75

18

17

19

P < 0.001

Done

35

11

7

3

6

8

Early neonatal attachment

Done

329

227

69

13

9

11

P < 0.001

None

73

34

6

7

12

14

Unknown

33

21

7

1

2

2

Rooming-in

Yes

388

269

69

16

15

19

P < 0.001

Partially

29

8

8

3

4

6

No

18

5

5

2

4

2

Other

0

0

0

0

0

0