Obesity

Non-obesity

p-value

n = 19

n = 102

Age (years)

32 ± 6

31 ± 5

_

BMI (kg/m2)

28.8. ± 3.7

20.9 ± 1.5

_

Education

High school

9

48

NS

University

10

54

Occupation

Yes

12

77

NS

No

6

25

Annual income (million yen)

<300

6

25

NS

300-

9

32

500-

2

22

Family structure

Nuclear

14

60

NS

Expanded

4

41

Delivery

Primipara

10

57

NS

Multipara

8

43

Experience of

Yes

9

28

NS

abortion

No

9

74

Physical condition

Good

5

29

NS

Bad

14

73

Contents (overlapped)

Morning sickness

11

52

NS

Constipation

6

33

NS

Lower back pain

5

26

NS

Worries about

Yes

2

15

NS

own physical condition

No

17

82

Smoking habit before pregnancy

Yes

7

22

NS

No

11

80

Smoking habit of husband

Yes

14

61

NS

No

5

41

BMI (kg/m2) of husband

≥25

10

72

*

<25

9

22

Alcohol consumption

Yes

13

64

NS

before pregnancy

No

5

38

Exercise habit before pregnancy

Yes

2

24

NS

(at least twice per weeks)

No

16

78

Habit of considering

Yes

11

81

*

care about nutritional balance

No

8

21