Table 1 Number of cancer deaths in the exposed group and mortality ratios in the comparison of 1-year-old cohorts

Number of deaths in exposed group in 1983–1987

15

0

0

0

0

2

 MR with 95% confidence interval

1.16 (0.55–2.43)

NE

NE

NE

NE

0.67 (0.11–4.00)

Number of deaths in exposed group in 1988–1992

22

3

0

0

2

1

 MR with 95% confidence interval

1.11 (0.60–2.03)

NE

NE

NE

NE

1.01 (0.06–16.11)

Number of deaths in exposed group in 1993–1997

37

6

0

2

0

4

 MR with 95% confidence interval

1.06 (0.67–1.68)

1.20 (0.37–3.94)

NE

0.50 (0.09–2.74)

NE

1.34 (0.30–5.97)

Number of deaths in exposed group in 1998–2002

70

9

5

4

1

2

 MR with 95% confidence interval

0.95 (0.68–1.32)

1.81 (0.61–5.39)

1.25 (0.34–4.67)

0.31 (0.10–0.95)

1.00 (0.06–16.04)

0.33 (0.07–1.66)

Number of deaths in exposed group in 2003–2007

133

17

9

13

2

7

 MR with 95% confidence interval

1.36 (1.03–1.78)

1.62 (0.72–3.63)

1.93 (0.59–6.26)

1.11 (0.49–2.54)

NE

0.86 (0.30–2.44)

Number of deaths in exposed group in 1969–2007^b

296

35

14

19

4

23

 Total MR with 95% confidence interval

1.11 (0.94–1.31)

1.72 (0.99–2.97)

1.06 (0.50–2.25)

0.62 (0.35–1.10)

3.92 (0.44–35.12)

0.64 (0.38–1.09)