Table 2 Adverse pregnancy outcomes associated with Q fever seropositivity in bivariate and multivariate analysis, among 179 pregnant women, Saint Pierre, Reunion island, May to October 2013

 Composite outcome^a

0.004

  In exposed

18 / 19

94.7

1.53

1.30–1.80

1.55

1.31–1.84

  In unexposed

99 / 160

61.9

1

1

 Miscarriage

0.004

  In exposed

10 / 19

52.6

2.34

1.39–3.92

2.33

1.48–3.67

  In unexposed

36 / 160

22.5

1

1

 Stillbirth

0.287

  In exposed

2 / 19

10.5

2.11

0.48–9.23

1.70

0.43–6.70

  In unexposed

8 / 160

5.0

1

1

 Preterm birth

0.568

  In exposed

5 / 19

26.3

1.24

0.55–2.79

1.38

0.72–2.62

  In unexposed

34 / 160

21.3

1

1

0.959

  In exposed

5 / 19

26.3

0.98

0.44–2.17

1.03

0.49–2.13

  In unexposed

43 / 160

26.9

 Composite outcome^a

0.168

  In exposed

9 / 10

90.0

1.41

1.11–1.78

1.47

1.15–1.89

  In unexposed

108/169

63.9

1

1

 Miscarriage

0.070

  In exposed

5 / 10

50.0

2.06

1.04–4.05

1.78

0.94–3.39

  In unexposed

41 / 169

24.3

1

1

 Stillbirth

0.099

  In exposed

2 / 10

20.0

4.23

1.02–17.41

3.19

0.92–11.00

  In unexposed

8 / 169

4.7

1

1

 Preterm birth

0.456

  In exposed

3 / 10

30.0

1.41

0.52–3.80

1.75

0.71–4.31

  In unexposed

36 / 169

21.3

1

1

0.292

  In exposed

1 / 10

10.0

0.35

0.05–2.36

0.42

0.06–2.87

  In unexposed

47/169

27.8

1