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Table 3 Risk factors significance by Chi-square

From: Antenatal risk factors for postnatal depression: a prospective study of chinese women at maternal and child health centres

  PND
(n = 126)
Non-PND
(n = 679)
χ 2 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     
  1. PND Postnatal Depression
  2. RR Relative risk
  3. CI Confidence Interval