Table 4 PR and 95% CI for preterm birth, low birthweight, and small for gestational age in women with a breast cancer history

 No

38

1.00

1.00

28

1.00

1.00

26

1.00

1.00

 Yes

70

1.86 (1.31–2.64)

1.78 (1.25–2.53)

48

1.85 (1.21–2.83)

1.68 (0.94–3.03)

42

1.80 (1.13–2.85)

1.72 (0.94–3.15)

 <2 years

62

2.24 (1.34–3.74)

2.19 (1.31–3.67)

38

1.47 (0.87–2.51)

1.37 (0.58–3.21)

26

0.88 (0.51–1.53)

0.89 (0.47–1.68)

 2–4.9 years

30

1.11 (0.63–1.95)

1.11 (0.63–1.96)

20

0.73 (0.40–1.33)

0.68 (0.28–1.64)

21

0.66 (0.38–1.17)

0.57 (0.30–1.08)

 ≥5 years

16

1.00

1.00

18

1.00

1.00

21

1.00

1.00

 White, non-Hispanic

68

1.00

1.00

35

1.00

1.00

27

1.00

1.00

 Black, non-Hispanic

40

1.00 (0.71–1.42)

0.97 (0.65–1.45)

41

2.02 (1.33–3.05)

1.76 (1.08–2.86)

41

2.60 (1.66–4.08)

2.55 (1.53–4.24)

 Primiparous (1 birth)

28

1.00

1.00

22

1.00

1.00

21

1.00

1.00

 Multiparous (≥2 births)

80

1.27 (0.86–1.86)

1.10 (0.74–1.64)

54

1.09 (0.69–1.72)

0.78 (0.47–1.27)

47

0.94 (0.58–1.51)

0.80 (0.48–1.32)