Table 2 Relative risks (RR) with 95% confidence intervals (95% CI) for cervical intraepithelial neoplasia (CIN3) and cervical cancer (CC) among women with at least five children, by study variables, adjusted for each other

From: A population-based study on the risk of cervical cancer and cervical intraepithelial neoplasia among grand multiparous women in Finland

 

CIN3

CC

Variable

RR

95% CI

RR

95% CI

Parity

 5

1.00

Ref

1.00

Ref

 6

1.03

0.72–1.47

1.08

0.78–1.48

 7

0.90

0.54–1.53

1.14

0.72–1.82

 8+

0.63

0.36–1.11

0.73

0.44–1.21

Age at first birth (years)

 <20

1.00

Refa

1.00

Ref

 20–24

0.72

0.51–1.02

0.73

0.51–1.06

 25–29

0.54

0.33–0.90

0.66

0.42–1.03

 30+

0.57

0.24–1.33

0.65

0.35–1.23

Birth interval (years)

 <2.0

1.00

Refb

1.00

Ref

 2.0–3.0

0.81

0.58–1.15

0.79

0.57–1.11

 3.0+

0.52

0.34–0.81

0.91

0.63–1.33

Age at follow up (years)

 <40

0.73

0.39–1.37

2.30

1.27–4.18c

 40–49

0.74

0.40–1.37

1.55

0.95–2.52

 50–64

0.74

0.42–1.29

1.25

0.87–1.81

 65+

1.00

Ref

1.00

Ref

  1. aTrend P=0.02.
  2. bTrend P=0.004.
  3. cTrend P=0.0003.
Back to article page