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Table 3 Pregnancy, delivery and postpartum characteristics of participants in this study

From: Case–control study of risk factors for infectious mastitis in Spanish breastfeeding women

Variables

Case, n* (%)

Control, n* (%)

OR

95% CI

P-value

Threatened miscarriage

     

  No

308 (85.08)

135 (91.22)

Reference

 

0.063

  Yes

54 (14.92)

13 (8.78)

1.82

0.96–3.45

 

Breast/nipple pain during pregnancy

    

  No

249 (70.94)

117 (80.14)

Reference

 

0.034

  Yes

102 (29.06)

29 (19.86)

1.65

1.04–2.64

 

Antibiotics during pregnancy

     

  No

271 (77.87)

122 (82.43)

Reference

 

0.252

  Yes

77 (22.13)

26 (17.57)

1.33

0.81–2.18

 

Antifungal medication during pregnancy

    

  No

317 (89.30)

138 (93.24)

Reference

 

0.170

  Yes

38 (10.70)

10 (6.76)

1.65

0.80–3.41

 

Analgesics during pregnancy

     

  No

233 (64.36)

105 (71.43)

Reference

 

0.126

  Yes

129 (35.64)

42 (28.57)

1.38

0.91–2.10

 

Group B Streptococcus positive test

    

  No

278 (79.89)

115 (80.99)

Reference

 

0.781

  Yes

70 (20.11)

27 (19.01)

1.07

0.65–1.76

 

Age range at last delivery

     

  < 25

5 (1.37)

5 (3.45)

Reference

 

0.305

  25-35

242 (66.12)

95 (65.52)

2.55

0.72–9.00

 

  > 35

119 (32.51)

45 (31.03)

2.64

0.73–9.57

 

Primiparous/Multiparous

     

  Multiparous

113 (30.87)

62 (42.18)

Reference

 

0.015

  Primiparous

253 (69.13)

85 (57.82)

1.63

1.10–2.43

 

Place of delivery

     

  Private clinic

118 (33.71)

25 (17.01)

Reference

 

0.021

  Public hospital

224 (64.00)

113 (76.87)

0.42

0.26–0.68

 

  Home

8 (2.29)

9 (6.12)

0.19

0.07–0.54

 

Type of delivery

     

  Vaginal

267 (76.95)

125 (85.03)

Reference

 

0.042

  Caesarean section

80 (23.05)

22 (14.97)

1.70

1.01–2.86

 

Antibiotherapy during delivery

     

  No

201 (57.59)

100 (67.57)

Reference

 

0.038

  Yes

148 (42.41)

48 (32.43)

1.53

1.02–2.30

 

Epidural analgesia during delivery

    

  No

73 (20.17)

48 (32.43)

Reference

 

0.003

  Yes

289 (79.83)

100 (67.57)

1.90

1.24–2.92

 

First contact with child

     

  Immediately

243 (66.21)

114 (77.51)

Reference

 

0.019

  10-60 min

78 (21.25)

25 (17.01)

1.46

0.89–2.42

 

  > 60 min

46 (12.53)

8 (5.44)

2.70

1.23–5.90

 

Separation child-mother longer than 24 h

    

  No

330 (89.92)

144 (97.30)

Reference

 

0.009

  Yes

37 (10.08)

4 (2.70)

4.04

1.41–11.53

 
  1. OR, odds ratio; CI, confidence interval.
  2. *The number of cases varies because of missing data.