Table 3

Risk factors significance by Chi-square

PND

(n = 126)

Non-PND

(n = 679)

χ2

df

RR

(95% CI)

p-value


Past depression

Yes

26

39

31.75

1

3.59

(2.27-5.68)

< 0.001

No

100

640

Marital Relationship

Not Good

35

23

95.54

1

8.27

(5.06-13.50)

< 0.001

Good

91

656

Peiyue support

No

22

55

10.76

1

2.16

(1.37-3.40)

0.002

Yes

104

624

Antenatal depressive symptomatology

Yes

68

94

106.45

1

3.90

(3.04-4.99)

< 0.001

No

58

585

Relationship with mother-in-law

Not Good

67

92

105.28

1

3.93

(3.05-5.04)

< 0.001

Good

59

587

Antenatal stressful life events

Yes

39

82

29.65

1

2.56

(1.84-3.57)

< 0.001

No

87

597

Anxiety-prone personality

Yes

79

199

52.41

1

2.14

(1.79-2.56)

< 0.001

No

47

480

Persistent wound pain

Yes

30

67

19.49

1

2.41

(1.64-3.55)

< 0.001

No

96

612

Felt stress in child care

Yes

89

218

66.87

1

2.20

(1.88-2.57)

< 0.001

No

37

461

Married

No

16

39

8.08

1

2.21

(1.28-3.83)

0.006

Yes

110

640


PND Postnatal Depression

RR Relative risk

CI Confidence Interval

Siu et al. BMC Psychiatry 2012 12:22   doi:10.1186/1471-244X-12-22

Open Data