Table 2.
Incidence of childhood cancer in birth cohort according to distance to nuclear power plant, any nuclear facility and NPPs that were planned but never built
| Age 0–4 years |
Age 0–15 years |
|||||||
|---|---|---|---|---|---|---|---|---|
| Cases | PY at risk in 100 years | IR per 100 000 PY | IRR (95% CI)a | Cases | PY at risk in 100 years | IR per 100 000 PY | IRR (95% CI)a | |
| Distance to nearest NPP (km) | ||||||||
| Leukaemias | ||||||||
| 0–5 | 8 | 1000 | 8.00 | 1.20 (0.60–2.41) | 12 | 2548 | 4.71 | 1.05 (0.60–1.86) |
| 5–10 | 12 | 3011 | 3.99 | 0.60 (0.34–1.06) | 25 | 7631 | 3.28 | 0.73 (0.49–1.09) |
| 10–15 | 31 | 4194 | 7.39 | 1.10 (0.77–1.58) | 47 | 10487 | 4.48 | 0.99 (0.74–1.33) |
| >15 | 522 | 77 375 | 6.75 | 1 | 869 | 190 509 | 4.56 | 1 |
| All cancers | ||||||||
| 0–5 | 18 | 1000 | 17.99 | 0.97 (0.61–1.54) | 31 | 2548 | 12.17 | 0.89 (0.63–1.27) |
| 5–10 | 43 | 3011 | 14.28 | 0.77 (0.57–1.04) | 89 | 7631 | 11.66 | 0.85 (0.69–1.05) |
| 10–15 | 92 | 4194 | 21.94 | 1.17 (0.95–1.44) | 156 | 10 487 | 14.88 | 1.08 (0.92–1.27) |
| >15 | 1465 | 77 375 | 18.93 | 1 | 2649 | 190 509 | 13.91 | 1 |
| Distance to nearest nuclear facility (NPP, research, or storage) (km) | ||||||||
| Leukaemias | ||||||||
| 0–5 | 39 | 5034 | 7.75 | 1.15 (0.83–1.59) | 65 | 12 184 | 5.34 | 1.16 (0.90–1.50) |
| 5–10 | 32 | 6013 | 5.32 | 0.79 (0.55–1.13) | 57 | 14 624 | 3.90 | 0.85 (0.65–1.12) |
| 10–15 | 41 | 5858 | 7.00 | 1.05 (0.76–1.44) | 62 | 14 547 | 4.26 | 0.95 (0.73–1.22) |
| >15 | 461 | 68 674 | 6.71 | 1 | 769 | 169 821 | 4.53 | 1 |
| All cancers | ||||||||
| 0–5 | 94 | 5034 | 18.67 | 0.98 (0.80–1.21) | 180 | 12 184 | 14.77 | 1.07 (0.92–1.24) |
| 5–10 | 103 | 6013 | 17.13 | 0.90 (0.74–1.11) | 200 | 14 624 | 13.68 | 0.99 (0.86–1.14) |
| 10–15 | 130 | 5858 | 22.19 | 1.18 (0.99–1.42) | 217 | 14 547 | 14.92 | 1.09 (0.95–1.25) |
| >15 | 1291 | 68 674 | 18.80 | 1 | 2328 | 169 821 | 13.71 | 1 |
| Distance to nearest planned NPP (km) | ||||||||
| Leukaemias | ||||||||
| 0–5 | 5 | 1387 | 3.60 | 0.54 (0.22–1.31) | 13 | 3443 | 3.78 | 0.85 (0.49–1.47) |
| 5–10 | 53 | 6627 | 8.00 | 1.20 (0.90–1.60) | 79 | 16 102 | 4.91 | 1.09 (0.87–1.38) |
| 10–15 | 55 | 8126 | 6.77 | 1.01 (0.77–1.34) | 97 | 19 557 | 4.96 | 1.10 (0.89–1.36) |
| >15 | 460 | 69 439 | 6.62 | 1 | 764 | 172 073 | 4.44 | 1 |
| All cancers | ||||||||
| 0–5 | 26 | 1387 | 18.74 | 0.98 (0.67–1.45) | 48 | 3443 | 13.94 | 1.00 (0.75–1.33) |
| 5–10 | 127 | 6627 | 19.16 | 1.00 (0.83–1.20) | 223 | 16 102 | 13.85 | 0.98 (0.86–1.13) |
| 10–15 | 145 | 8126 | 17.84 | 0.93 (0.78–1.10) | 260 | 19 557 | 13.30 | 0.94 (0.83–1.07) |
| >15 | 1320 | 69 439 | 19.01 | 1 | 2394 | 172 073 | 13.91 | 1 |
aAdjusted for sex, age and calendar year at diagnosis.
PY, person-year; IR, incidence rate; IRR, incidence rate ratio; NPP, nuclear power plant.