Table 3.
Incidence of childhood cancer in resident 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 | 11 | 1094 | 10.06 | 1.41 (0.78–2.55) | 20 | 3784 | 5.29 | 1.24 (0.80–1.94) |
| 5–10 | 20 | 3297 | 6.07 | 0.85 (0.54–1.32) | 35 | 11 255 | 3.11 | 0.73 (0.52–1.02) |
| 10–15 | 34 | 4542 | 7.49 | 1.05 (0.74–1.48) | 66 | 15 039 | 4.39 | 1.02 (0.80–1.31) |
| >15 | 615 | 85 579 | 7.19 | 1 | 1224 | 282 721 | 4.33 | 1 |
| All cancers | ||||||||
| 0–5 | 23 | 1094 | 21.03 | 1.11 (0.74–1.67) | 50 | 3784 | 13.21 | 1.03 (0.78–1.36) |
| 5–10 | 57 | 3297 | 17.29 | 0.91 (0.70–1.18) | 133 | 11 255 | 11.82 | 0.92 (0.77–1.10) |
| 10–15 | 105 | 4542 | 23.12 | 1.21 (0.99–1.47) | 222 | 15 039 | 14.76 | 1.14 (0.99–1.30) |
| >15 | 1645 | 85 579 | 19.22 | 1 | 3685 | 282 721 | 13.03 | 1 |
| Distance to nearest nuclear facility (NPP, research, or storage) (km) | ||||||||
| Leukaemias | ||||||||
| 0–5 | 47 | 5389 | 8.72 | 1.21 (0.90–1.62) | 90 | 17 244 | 5.22 | 1.19 (0.96–1.48) |
| 5–10 | 42 | 6687 | 6.28 | 0.86 (0.63–1.18) | 74 | 22 367 | 3.31 | 0.76 (0.60–0.97) |
| 10–15 | 39 | 6480 | 6.02 | 0.83 (0.60–1.15) | 91 | 21 545 | 4.22 | 0.98 (0.79–1.21) |
| >15 | 552 | 75 955 | 7.27 | 1 | 1090 | 251 643 | 4.33 | 1 |
| All cancers | ||||||||
| 0–5 | 104 | 5389 | 19.30 | 0.99 (0.81–1.21) | 254 | 17 244 | 14.73 | 1.13 (0.99–1.28) |
| 5–10 | 125 | 6687 | 18.69 | 0.96 (0.80–1.16) | 286 | 22 367 | 12.79 | 0.99 (0.87–1.11) |
| 10–15 | 139 | 6480 | 21.45 | 1.12 (0.94–1.33) | 312 | 21 545 | 14.48 | 1.13 (1.00–1.26) |
| >15 | 1462 | 75 955 | 19.25 | 1 | 3238 | 251 643 | 12.87 | 1 |
| Distance to nearest planned NPP (km) | ||||||||
| Leukaemias | ||||||||
| 0–5 | 12 | 1563 | 7.68 | 1.07 (0.60–1.89) | 24 | 5222 | 4.60 | 1.09 (0.72–1.63) |
| 5–10 | 58 | 7270 | 7.98 | 1.11 (0.85–1.46) | 112 | 23 555 | 4.76 | 1.11 (0.92–1.35) |
| 10–15 | 60 | 8950 | 6.70 | 0.93 (0.71–1.22) | 130 | 29 322 | 4.43 | 1.04 (0.87–1.24) |
| >15 | 550 | 76 728 | 7.17 | 1 | 1079 | 254 700 | 4.24 | 1 |
| All cancers | ||||||||
| 0–5 | 35 | 1563 | 22.39 | 1.15 (0.82–1.61) | 70 | 5222 | 13.40 | 1.03 (0.81–1.31) |
| 5–10 | 141 | 7270 | 19.39 | 0.99 (0.83–1.18) | 323 | 23 555 | 13.71 | 1.04 (0.93–1.16) |
| 10–15 | 159 | 8950 | 17.77 | 0.90 (0.77–1.06) | 370 | 29 322 | 12.62 | 0.95 (0.86–1.06) |
| >15 | 1495 | 76 728 | 19.48 | 1 | 3327 | 254 700 | 13.06 | 1 |
aAdjusted for sex, age and calendar year at diagnosis.
PY, person-year; IR, incidence rate; IRR, incidence rate ratio; NPP, nuclear power plant.