Table 3 Observed (O), expected (E) cases and SIR of childhood leukaemia (0–14 years old) within 20 km of one of the 19 EGNS in France (1990–1998) according to distance from electric nuclear power and start-up year of the EGNS
From: Incidence of childhood leukaemia in the vicinity of nuclear sites in France, 1990–1998
Site characteristic | Characteristic class values | 0–5 km | 5–10 km | 10–15 km | 15–20 km | Total |
---|---|---|---|---|---|---|
Electric nuclear power a (MWe) | ||||||
1800 | ||||||
O | 1 | 0 | 2 | 2 | 5 | |
E | 0.79 | 1.96 | 2.24 | 5.01 | 10.00 | |
SIR | 1.27 | 0.00 | 0.89 | 0.4 | 0.5 | |
2600–2800 | ||||||
O | 5 | 10 | 7 | 21 | 43 | |
E | 4.42 | 6.99 | 11.09 | 20.72 | 43.21 | |
SIR | 1.13 | 1.43 | 0.63 | 1.01 | 1.00 | |
3600 | ||||||
O | 1 | 16 | 15 | 17 | 49 | |
E | 2.63 | 13.03 | 11.45 | 15.44 | 42.56 | |
SIR | 0.38 | 1.23 | 1.31 | 1.10 | 1.15 | |
5200–5400 | ||||||
O | 1 | 8 | 9 | 10 | 28 | |
E | 2.80 | 9.15 | 11.43 | 17.87 | 41.25 | |
SIR | 0.36 | 0.87 | 0.79 | 0.56 | 0.68 | |
Start–up year | ||||||
<1980 | ||||||
O | 2 | 8 | 9 | 14 | 33 | |
E | 2.27 | 6.80 | 7.38 | 14.15 | 30.61 | |
SIR | 0.88 | 1.18 | 1.22 | 0.99 | 1.08 | |
1980–1984 | ||||||
O | 1 | 11 | 14 | 12 | 38 | |
E | 3.62 | 12.14 | 14.03 | 17.70 | 47.49 | |
SIR | 0.28 | 0.91 | 1.00 | 0.68 | 0.80 | |
1985–1989 | ||||||
O | 5 | 12 | 5 | 12 | 34 | |
E | 3.71 | 10.27 | 8.88 | 21.13 | 43.99 | |
SIR | 1.35 | 1.17 | 0.56 | 0.57 | 0.77 | |
⩾1990 | ||||||
O | 0 | 3 | 5 | 12 | 20 | |
E | 1.03 | 1.92 | 5.92 | 6.06 | 14.93 | |
SIR | 0.00 | 1.56 | 0.84 | 1.98 | 1.34 | |
Total | ||||||
O | 8 | 34 | 33 | 50 | 125 | |
E | 10.64 | 31.13 | 36.21 | 59.03 | 137.01 | |
SIR | 0.75 | 1.09 | 0.91 | 0.85 | 0.91 |