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Table 2 Previous and/or current diseases and conditions

From: Effect of maternal stress during pregnancy on the risk for preterm birth

 

Index group

Control group

 

N

%

N

%

P-value**

Index vs. Control

Chronic disease/condition

    

0.882

 Yes

27

16.9

27

15.7

 

 No

133

83.1

145

84.3

 

Conization

    

0.308

 Yes

10

6.3

6

3.5

 

 No

150

93.8

166

96.5

 

Previous psychiatric diagnosis

    

0.416

 Yes

18

11.3

25

14.5

 

 No

142

88.8

147

85.5

 

Previous preterm delivery

    

<0.000

 Yes

25

15.9

4

2.4

 

 No

132

84.1

163

97.6

 
  1. *Fisher’s exact test
  2. **P-value for Person’s x2-test